X470D4U B450D4U-V1L - ASRock

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X470D4U

X470D4U B450D4U-V1L
User Manual
Version 1.0 Published August 2019 Copyright©2019 ASRock Rack INC. All rights reserved.

Version 1.0 Published August 2019 Copyright©2019 ASRock Rack Inc. All rights reserved.
Copyright Notice:
No part of this documentation may be reproduced, transcribed, transmitted, or translated in any language, in any form or by any means, except duplication of documentation by the purchaser for backup purpose, without written consent of ASRock Rack Inc.
Products and corporate names appearing in this documentation may or may not be registered trademarks or copyrights of their respective companies, and are used only for identification or explanation and to the owners' benefit, without intent to infringe.
Disclaimer:
Specifications and information contained in this documentation are furnished for informational use only and subject to change without notice, and should not be constructed as a commitment by ASRock Rack. ASRock Rack assumes no responsibility for any errors or omissions that may appear in this documentation.
With respect to the contents of this documentation, ASRock Rack does not provide warranty of any kind, either expressed or implied, including but not limited to the implied warranties or conditions of merchantability or fitness for a particular purpose.
In no event shall ASRock Rack, its directors, officers, employees, or agents be liable for any indirect, special, incidental, or consequential damages (including damages for loss of profits, loss of business, loss of data, interruption of business and the like), even if ASRock Rack has been advised of the possibility of such damages arising from any defect or error in the documentation or product.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that
may cause undesired operation.
CALIFORNIA, USA ONLY
The Lithium battery adopted on this motherboard contains Perchlorate, a toxic substance controlled in Perchlorate Best Management Practices (BMP) regulations passed by the California Legislature. When you discard the Lithium battery in California, USA, please follow the related regulations in advance. "Perchlorate Material-special handling may apply, see www.dtsc.ca.gov/hazardouswaste/ perchlorate"
ASRock Rack's Website: www.ASRockRack.com

Contact Information
If you need to contact ASRock Rack or want to know more about ASRock Rack, you're welcome to visit ASRock Rack's website at www.ASRockRack.com; or you may contact your dealer for further information.
ASRock Rack Incorporation 6F., No.37, Sec. 2, Jhongyang S. Rd., Beitou District,
Taipei City 112, Taiwan (R.O.C.)

Contents

Chapter 1 Introduction

1.1 Package Contents

1.2 Specifications

1.3 Unique Features

1.4 Motherboard Layout

1.5 Onboard LED Indicators

1.6 I/O Panel

1.7 Block Diagram

Chapter 2 Installation

2.1 Screw Holes

2.2 Pre-installation Precautions

2.3 Installing the CPU

2.4 Installing the CPU Fan and Heatsink

2.5 Installing Memory Modules (DIMM)

2.6 Expansion Slots (PCI Express Slots)

2.7 Jumpers Setup

2.8 Onboard Headers and Connectors

2.9 Dr. Debug

2.10 Unit Identification purpose LED/Switch

2.11 Driver Installation Guide

2.12 M.2_SSD (NGFF) Module Installation Guide (X470D4U only) 41

Chapter 3 UEFI Setup Utility

3.1 Introduction

3.1.1 UEFI Menu Bar

3.1.2 Navigation Keys

3.2 Main Screen

3.3 Advanced Screen

3.3.1 CPU Configuration

3.3.2 Chipset Configuration

3.3.3 Storage Configuration

3.3.4 ACPI Configuration

3.3.5 USB Configuration

3.3.6 Super IO Configuration

3.3.7 H/W Monitor

3.3.8 AMD CBS

3.3.9 AMD PBS

3.3.10 Instant Flash

3.4 Server Mgmt

3.4.1 System Event Log

3.4.2 BMC Network Configuration

3.5 Security

3.5.1 Key Management

3.6 Boot Screen

3.6.1 CSM Parameters

3.7 Exit Screen

Chapter 4 Software Support

4.1 Install Operating System

4.2 Support CD Information

4.2.1 Running The Support CD

4.2.2 Drivers Menu

4.2.3 Utilities Menu

4.2.4 Contact Information

Chapter 5 Troubleshooting

5.1 Troubleshooting Procedures

5.2 Technical Support Procedures

5.3 Returning Merchandise for Service

X470D4U / B450D4U-V1L
Chapter 1 Introduction
Thank you for purchasing ASRock Rack X470D4U / B450D4U-V1L motherboard, a reliable motherboard produced under ASRock Rack's consistently stringent quality control. It delivers excellent performance with robust design conforming to ASRock Rack's commitment to quality and endurance. In this manual, chapter 1 and 2 contains introduction of the motherboard and stepby-step guide to the hardware installation. Chapter 3 and 4 contains the configuration guide to BIOS setup and information of the Support CD.
Because the motherboard specifications and the BIOS software might be updated, the content of this manual will be subject to change without notice. In case any modifications of this manual occur, the updated version will be available on ASRock Rack website without further notice. You may find the latest memory and CPU support lists on ASRock Rack website as well. ASRock Rack's Website: www.ASRockRack.com If you require technical support related to this motherboard, please visit our website for specific information about the model you are using. http://www.asrockrack.com/support/
1.1 Package Contents
· ASRock Rack X470D4U / B450D4U-V1L Motherboard (micro-ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm)
· Quick Installation Guide · 1 x I/O Shield · 1 x SATA3 Cable (60cm) · 2 x Screws for M.2 Sockets (X470D4U only)
If any items are missing or appear damaged, contact your authorized dealer.
1

English

1.2 Specifications

X470D4U / B450D4U-V1L

MB Physical Status Form Factor Dimension Processor System CPU
Socket Chipset System Memory Capacity
Type
DIMM Size Per DIMM DIMM Frequency Voltage Expansion Slot PCIe 3.0 x 16

micro-ATX 9.6'' x 9.6'' (24.4 cm x 24.4 cm)
AMD AM4 Socket RyzenTM PRO/ RyzenTM 2nd and 3rd generation series processors AM4 PGA 1331 AMD X470 / B450
- 4 x 288-pin DDR4 DIMM slots - Support up to 128GB DDR4 ECC/UDIMM - Dual Channel DDR4 memory technology - Support DDR4 ECC/UDIMM* *For Picasso Ridge and Raven Ridge CPUs, ECC is only supported with PRO CPUs.
**Conditionally supports ECC error reporting function.
- ECC/UDIMM: 32GB, 16GB, 8GB
- ECC/UDIMM: 3200/2933/2666/2400/2133 MHz 1.2V
X470D4U: PCIE6: Gen3 x16 link (splittable in x4/4/4/4); auto switch to x8 link when PCIE4 is occupied. PCIE4: Gen3 x8 link

PCIe 3.0 x 8 Storage SATA Controller
Additional SATA Controller M.2 Slot

B450D4U-V1L: PCIE6: Gen3 x16 link (splittable in x4/4/4/4) PCIE5: Gen3 x4 link
X470D4U: 6 x SATA3 6.0 Gb/s (1x SATA DOM port), support RAID 0, 1, 10
B450D4U-V1L: 2 x SATA3 6.0 Gb/s, support RAID 0, 1 X470D4U: Asmedia 1061: 2 x SATA3 6.0 Gb/s
B450D4U-V1L: N/A X470D4U: 2 (2242/2260/2280/22110, supports SATA3 and PCIe 3.0 x2 or supports PCIe 2.0 x4 only)

Ethernet Interface

B450D4U-V1L: N/A 1000 /100 /10 Mbps by Intel I210AT

English

X470D4U / B450D4U-V1L

LAN Controller
Management BMC Controller IPMI Dedicated GLAN
Features Graphics Controller VRAM Rear Panel I/O VGA Port Serial port USB 3.0 Port LAN Port
UID

X470D4U: - 2 x RJ45 GLAN by Intel® I210AT - 1 x RJ45 Dedicated IPMI LAN port
- Supports Wake-On-LAN - Supports Energy Efficient Ethernet 802.3az - Supports Dual LAN with Teaming function - Supports PXE - LAN1 supports NCSI
B450D4U-V1L: - 1 x RJ45 GLAN by Intel® I210AT
- Supports Wake-On-LAN - Supports Energy Efficient Ethernet 802.3az - Supports PXE
ASPEED AST2500 (X470D4U only) X470D4U: 1 x Realtek RTL8211E for dedicated management GLAN
B450D4U-V1L: N/A Watch Dog
X470D4U: ASPEED AST2500 B450D4U-V1L: ASPEED AST2510 DDR4 16MB
1 x D-Sub X470D4U: 1 x COM port B450D4U-V1L: N/A 2 X470D4U: - 2 x RJ45 Gigabit Ethernet LAN ports - 1 x RJ45 Dedicated IPMI LAN port - LAN Ports with LED (ACT/LINK LED and SPEED LED)
B450D4U-V1L: - 1 x RJ45 Gigabit Ethernet LAN port - LAN Ports with LED (ACT/LINK LED and SPEED LED) X470D4U: 1 B450D4U-V1L: N/A

English

Internal Connector

Auxiliary Panel X470D4U: 1 (includes chassis intrusion, location button & LED,

Header

and front LAN LED)

TPM Header IPMB Header
Fan Header ATX Power USB 3.1 Gen1 Header M.2
SATA DOM
BMC_SMB1
PSU_SMB1
80 debug port LED Buzzer
Clear CMOS OH/FanFail LED System BIOS BIOS Type BIOS Features
Hardware Monitor Temperature
Fan
Voltage

B450D4U-V1L: 1 (includes chassis intrusion, and front LAN LED) 1 X470D4U: 1 B450D4U-V1L: N/A 6 Fans x 4-pin (FAN1(CPU)/FAN2~FAN6(5Front)) 1 x (24-pin) + 1 x (8-pin) 1 (supports 2 USB 3.1 Gen1 ports)
X470D4U: 2 (M2_1: 2242/2260/2280/22110, PCIE(X4); M2_2:2242/2260/2280/22110, SATA/PCIE(X2)) B450D4U-V1L: N/A X470D4U: 1 B450D4U-V1L: N/A X470D4U: 1 B450D4U-V1L: N/A X470D4U: 1 B450D4U-V1L: N/A 1 X470D4U: 1 B450D4U-V1L: N/A 1 (short pad) 6 (only Fan Fail LED)
16MB AMI UEFI Legal BIOS - Plug and Play (PnP) - ACPI 2.0 Compliance Wake Up Events - SMBIOS 2.8 Support - ASRock Rack Instant Flash
- CPU/DDR temperature sensing - MB/Card side temperature sensing - Fan Tachometer - Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU Temperature) - Fan Multi-Speed Control Voltage Monitoring: +12V, +5V, +3.3V, CPU Vcore, DRAM, 1.05V_ PCH, +BAT, 3VSB, 5VSB

English

X470D4U / B450D4U-V1L

Support OS OS

Microsoft® Windows®: Windows 10 (64 bit)

Linux®: - UBuntu 16.04.4 (64 bit) - RedHat Enterprise Linux Server 7.3 (64bit) - RedHat Enterprise Linux Server 7.4 (64bit)

Environment Temperature

* Please refer to our website for the latest OS support list. *The Linux system doesn't support Raid mode. *Supports UEFI BOOT only.
Operation temperature: 10°C ~ 35°C / Non operation temperature: -40°C ~ 70°C

NOTE: Please refer to our website for the latest specifications.

This motherboard supports Wake from on Board LAN. To use this function, please make sure that the "Wake on Magic Packet from power off state" is enabled in Device Manager > Intel® Ethernet Connection > Power Management. And the "PCI Devices Power On" is enabled in UEFI SETUP UTILITY > Advanced > ACPI Configuration. After that, onboard LAN1&2 can wake up S5 under OS.

If you install Intel® LAN utility or Marvell SATA utility, this motherboard may fail Windows® Hardware Quality Lab (WHQL) certification tests. If you install the drivers only, it will pass the WHQL tests.

English

1.3 Unique Features
ASRock Rack Instant Flash is a BIOS flash utility embedded in Flash ROM. This convenient BIOS update tool allows you to update system BIOS without entering operating systems first like MS-DOS or Windows®. With this utility, you can press the <F6> key during the POST or the <F2> key to enter into the BIOS setup menu to access ASRock Rack Instant Flash. Just launch this tool and save the new BIOS file to your USB flash drive, floppy disk or hard drive, then you can update your BIOS only in a few clicks without preparing an additional floppy diskette or other complicated flash utility. Please be noted that the USB flash drive or hard drive must use FAT32/16/12 file system.
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English

X470D4U / B450D4U-V1L

1.4 Motherboard Layout

12
UID1 (X470D4U only)

COM1
(X470D4U only)
VGA1

LAN1
(NCSI (X470D4U only))
LAN2
(X470D4U only)

ATX12V1

3 24.4cm (9.6 in)
1 PSU_SMB1
(X470D4U only)
DDR4_B1 (64 bit, 288-pin moule) DDR4_B2 (64 bit, 288-pin module) DDR4_A1 (64 bit, 288-pin module) DDR4_A2 (64 bit, 288-pin module)

IPMI_LAN
(X470D4U only)
USB 3.1 Gen1 T: USB2 B: USB1

BUZZER1 (X470D4U only)

PWM_CFG1 1
X470D4U/ B450D4U-V1L

Socket AM4 PGA 1331

ASPEED 2500/2510

PCIE6 PCIE5

BAT1

AT X P W R 1
FAN2

FAN3

FAN4

NUT110_2

NUT110_1

FAN1

NUT80_2

NUT80_1

NUT60_2

NUT60_1

NUT42_2

NUT42_1

USB3_3_4

(X470D4U only)
M2_2

RoHS
(X470D4U only)
M2_1

(RED)

SATA3_1

SATA3_0

SATAPWR1 (No function for B450D4U-V1L)
1

(X470D4U only)

SATA3_5

SATA3_3

SATA3_4

SATA3_2

SATA3_6

SATA3_7

SATA3_8

PCIE4 (X470D4U only)

BMC/EC F/W

(X470D4U only)

CHASSIS_ID2 CHASSIS_ID3

IPMB_1

BMC_SMB_1 1

CHASSIS_ID1

FAN6

TPMS1
1 FAN5

Dr. Debug

(X470D4U only)

SATA3_9

AUX_PANEL1 1

PANEL1 PLED PWRBTN
1 HDLED RESET

CLRMOS1

35 34 3332 31

30 29 28

24.4cm (9.6 in)

5 6 7 8
9
10 11 12 13 14 15 16 17 18 19 20
21 22
23 24

English

No. Description

1 ATX 12V Power Connector (ATX12V1)

2 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1, Blue)

PSU SMBus Header (PSU_SMB1) (X470D4U only)

4 ATX Power Connector (ATXPWR1)

5 Front Fan Connector (FAN3)

6 Front Fan Connector (FAN4)

7 Front Fan Connector (FAN2)

8 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2, White)

9 CPU Fan Connector (FAN1)

10 AM4 PGA 1331 Socket

11 M.2 Socket (M2_2) (Type 2242 / 2260 / 2280 / 22110) (X470D4U only)

12 M.2 Socket (M2_1) (Type 2242 / 2260 / 2280 / 22110) (X470D4U only)

13 SATA3 Connector (SATA3_1)

X470D4U:

SATA3 DOM Connector (SATA3_0) B450D4U-V1L:

SATA3 Connector (SATA3_0)

SATA DOM Power Jumper (SATAPWR1) (No function for B450D4U-V1L)

16 USB 3.1 Gen1 Header (USB3_3_4)

SATA3 Connector (SATA3_3) (X470D4U only)

SATA3 Connector (SATA3_2) (X470D4U only)

SATA3 Connector (SATA3_5) (X470D4U only)

20 SATA3 Connector (SATA3_4) (X470D4U only)

SATA3 Connector (SATA3_7) (B450D4U-V1L only)

SATA3 Connector (SATA3_6) (B450D4U-V1L only)

23 SATA3 Connector (SATA3_8) (X470D4U only)

24 SATA3 Connector (SATA3_9) (X470D4U only)

25 Clear CMOS Pad (CLRMOS1)

26 System Panel Header (PANEL1)

27 Auxiliary Panel Header (AUX_PANEL1)

28 TPM Header (TPMS1)

29 Front Fan Connector (FAN5)

30 Front Fan Connector (FAN6)

31 Chassis ID3 Jumper (CHASSIS_ID3) (X470D4U only)

English

X470D4U / B450D4U-V1L
No. Description 32 Chassis ID1 Jumper (CHASSIS_ID1) (X470D4U only) 33 Chassis ID2 Jumper (CHASSIS_ID2) (X470D4U only) 34 BMC SMBus Header (BMC_SMB_1) (X470D4U only) 35 Intelligent Platform Management Bus header (IPMB1) (X470D4U only) 36 PWM Configuration Header (PWM_CFG1)
*For DIMM installation and configuration instructions, please see p.22 (Installation of Memory Modules (DIMM)) for more details.
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English

1.5 Onboard LED Indicators

ASPEED 2500
8

ATX12V1

1 PSU_SMB1
DDR4_B1 (64 bit, 288-pin moule) DDR4_B2 (64 bit, 288-pin module) DDR4_A1 (64 bit, 288-pin module) DDR4_A2 (64 bit, 288-pin module)

FAN2

FAN3

FAN4

NUT110_2

NUT110_1

FAN1

NUT80_2

NUT80_1

NUT60_2

NUT60_1

PWM_CFG1 1
X470D4U

USB3_3_4

NUT42_2

NUT42_1

RoHS

M2_2

M2_1

SATA3_1

SATA3_0 SATAPWR1
1

SATA3_2

SATA3_3

BAT1

SATA3_4

SATA3_5

SATA3_9 SATA3_8

BMC F/W

CHASSIS_ID2 CHASSIS_ID3

IPMB_1

BMC_SMB_1 1

CHASSIS_ID1

TPMS1

Dr.

Debug

FAN6

FAN5

AUX_PANEL1 1

PANEL1 PLED PWRBTN
1 HDLED RESET

CLRMOS1

English

X470D4U / B450D4U-V1L

No. Item

SB_PWR1

FAN_LED4

FAN_LED3

FAN_LED2

FAN_LED1

FAN_LED5

FAN_LED6

BMC_LED1

Status Green Amber Amber Amber Amber Amber Amber Green

Description STB PWR ready FAN4 failed FAN3 failed FAN2 failed FAN1(CPU) failed FAN5 failed FAN6 failed BMC heartbeat LED

English

1.6 I/O Panel

No. Description 1 UID Switch (UID1) (X470D4U only) 2 VGA Port (VGA1) 3 Serial Port (COM1) (X470D4U only) 4 GLAN RJ-45 Port (LAN1)

No. Description 5 GLAN RJ-45 Port (LAN2)
(X470D4U only)
6 USB 3.1 Gen1 Ports (USB3_1_2) 7 LAN RJ-45 Port (IPMI_LAN1)
(X470D4U only)

*There are two LED next to the LAN port. Please refer to the table below for the LAN port

LED indications.

ACT/LINK LED

SPEED LED

LAN Port

Dedicated IPMI LAN Port LED Indications

Activity / Link LED

Speed LED

Status

Description

Status

Off

No Link

Off

Blinking Yellow Data Activity

Link

Yellow Green

Description
10M bps connection or no link 100M bps connection 1Gbps connection

English

X470D4U / B450D4U-V1L
**There are two LEDs on each LAN port. Please refer to the table below for the LAN port LED indications.
ACT/LINK LED SPEED LED

LAN Port

LAN Port (LAN1, LAN2) LED Indications

Activity / Link LED

Speed LED

Status Off

Description No Link

Status Off

Blinking Green Data Activity

Link

Off Yellow

Description
10Mbps connection or no link 100Mbps connection 1Gbps connection

English

SLOT6 x16 SSLLOOTT44xx88 SLOT5 x4

PCIe3.0x8 MUX PCIe3.0x8
PCIe3.0x4
2xUSB3.0, 2xUSB2.0 PCIe2.0 x4 PCIe3.0 x2/SATAIII
2x SATAIII 4x SATAIII

A
DDR4
AMD RyzenTM

2nd/3rd Generation

DDR4 B

Processor

AMD AM4 Socket PGA 1331

2xUSB3.0, 2xUSB2.0

IPMI

TDP: max. 105W
AMD X470

Switch
BIOS
LPC/eSPI NCT6779D-R
USB2.0 PCIe2.0 x1 PCIe2.0x1 i210 PCIe2.0x1
i210

NCSI

MAC

SPI

U AR T

ASPEED VGA

AST2500
MAC

RGMII

LPC USB PCIe

COM port D-Sub
RTL 8211E

PCIe2.0x1

ASM 2x SATAIII 1061

1.7 Block Diagram
X470D4U 14

English

B450D4U-V1L

SLOT6 x16 SLOT4 x8 SLOT5 x4

PCIe3.0x16 PCIe3.0x4
2xUSB3.0, 2xUSB2.0 2x SATAIII

A AMD RyzenTM DDR4

2nd/3rd Generation

DDR4 B

Processor

AMD AM4 Socket PGA 1331

2xUSB3.0 2xUSB2.0

TDP: max. 105W

BIOS ROM

AMD B450

LPC/eSPI NCT6779D-R
PCIe2.0 x1 PCIe2.0x1 i210

ASPEED VGA AST2510

LPC

PCIe

2x SATAIII

D-Sub

X470D4U / B450D4U-V1L

English

Chapter 2 Installation
This is a micro-ATX form factor (9.6" x 9.6", 24.4 cm x 24.4 cm) motherboard. Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it.
Make sure to unplug the power cord before installing or removing the motherboard. Failure to do so may cause physical injuries to you and damages to motherboard components.
2.1 Screw Holes
Place screws into the holes indicated by circles to secure the motherboard to the chassis.
Attention! Before installing this motherboard, be sure to unscrew and remove the standoffs at the marked location, under the motherboard, from the chassis, in order to avoid electrical short circuit and damage to your motherboard.
Do not over-tighten the screws! Doing so may damage the motherboard.
2.2 Pre-installation Precautions
Take note of the following precautions before you install motherboard components or change any motherboard settings. 1. Unplug the power cord from the wall socket before touching any components. 2. To avoid damaging the motherboard's components due to static electricity, NEVER
place your motherboard directly on the carpet or the like. Also remember to use a grounded wrist strap or touch a safety grounded object before you handle the components. 3. Hold components by the edges and do not touch the ICs. 4. Whenever you uninstall any component, place it on a grounded anti-static pad or in the bag that comes with the component. 5. When placing screws into the screw holes to secure the motherboard to the chassis, please do not over-tighten the screws! Doing so may damage the motherboard.
Before you install or remove any component, ensure that the power is switched off or the power cord is detached from the power supply. Failure to do so may cause severe damage to the motherboard, peripherals, and/or components.
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English

2.3 Installing the CPU

X470D4U / B450D4U-V1L

Unplug all power cables before installing the CPU.

1
90o

English

3 18

English

X470D4U / B450D4U-V1L
2.4 Installing the CPU Fan and Heatsink
After you install the CPU into this motherboard, it is necessary to install a larger heatsink and cooling fan to dissipate heat. You also need to spray thermal grease between the CPU and the heatsink to improve heat dissipation. Make sure that the CPU and the heatsink are securely fastened and in good contact with each other.
Please be aware of the maximum dimensions of the heatsink to be used is 116 * 83.65mm. Please turn off the power or remove the power cord before changing a CPU or heatsink.
Installing the CPU Box Cooler SR1 1
19

English

2 3
20

English

X470D4U / B450D4U-V1L
4
21

English

2.5 Installing Memory Modules (DIMM)
This motherboard provides four 288-pin DDR4 (Double Data Rate 4) DIMM slots, and supports Dual Channel Memory Technology.
1. For dual channel configuration, you always need to install identical (the same brand, speed, size and chip-type) DDR4 DIMM pairs.
2. It is unable to activate Dual Channel Memory Technology with only one or three memory module installed.
3. It is not allowed to install a DDR, DDR2 or DDR3 memory module into a DDR4 slot; otherwise, this motherboard and DIMM may be damaged.

DDR4 UDIMM Maximum Frequency Support

UDIMM Memory Slot

Raven/ Picasso Ridge

Pinnacle Ridge

Freq(Mhz) Freq(Mhz)

2666

2400

2133

1866

Matisse Ridge
Freq(Mhz) 3200 3200 3200 3200 2666 2400

English

X470D4U / B450D4U-V1L
1
2
3
The DIMM only fits in one correct orientation. It will cause permanent damage to the motherboard and the DIMM if you force the DIMM into the slot at incorrect orientation.
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2.6 Expansion Slots (PCI Express Slots)
There are 3 PCI Express slots on this motherboard.
PCIE slot:
PCIE4 (PCIE 3.0 x16 slot, from CPU) is used for PCI Express x8 lane width cards. (X470D4U
only)
PCIE5 (PCIE 3.0 x8 slot, from CPU) is used for PCI Express x4 lane width cards. PCIE6 (PCIE 3.0 x16 slot, from CPU) is used for PCI Express x16 lane width cards.

Slot

Generation

PCIE6

3.0

PCIE5

3.0

PCIE4 (X470D4U only)

3.0

Mechanical x16 x8 x16

Electrical x16 x4 x8

Source CPU CPU CPU

PCIe Slot Configurations (X470D4U only)
Single PCIE Card

PCIE4 N/A

Two PCIE Cards

PCIE6 x16 x8

For Matisse CPU users, if you want to use the PCIE4 slot, please first switch the PCIe x16 slot to [2x8] in the BIOS settings: Go to "Advanced" > "AMD PBS" > "PCIe x16/2x8/4x4 Switch" > select "[2x8]" and press F10 to save and exit. For more information, please see Chapter 3.3.9 AMD PBS.

Installing an expansion card

Step 1.
Step 2. Step 3.

Before installing an expansion card, please make sure that the power supply is switched off or the power cord is unplugged. Please read the documentation of the expansion card and make necessary hardware settings for the card before you start the installation. Remove the system unit cover (if your motherboard is already installed in a chassis). Remove the bracket facing the slot that you intend to use. Keep the screws for later use.

English

X470D4U / B450D4U-V1L

Step 4. Step 5. Step 6.

Align the card connector with the slot and press firmly until the card is completely seated on the slot. Fasten the card to the chassis with screws.
Replace the system cover.

English

2.7 Jumpers Setup
The illustration shows how jumpers are setup. When the jumper cap is placed on the pins, the jumper is "Short". If no jumper cap is placed on the pins, the jumper is "Open". The illustration shows a 3-pin jumper whose pin1 and pin2 are "Short" when a jumper cap is placed on these 2 pins.

X470D4U: Chassis ID1 Jumper (3-pin CHASSIS_ID1) (see p.7, No. 32) Chassis ID2 Jumper (3-pin CHASSIS_ID2) (see p.7, No. 33) Chassis ID3 Jumper (3-pin CHASSIS_ID3) (see p.7, No. 31)
X470D4U: Chassis ID1 Jumper (3-pin CHASSIS_ID1) (see p.7, No. 32) Chassis ID2 Jumper (3-pin CHASSIS_ID2) (see p.7, No. 33) Chassis ID3 Jumper (3-pin CHASSIS_ID3) (see p.7, No. 31)

Board Level SKU (Default) Reserved for system level use

Reserved for system level use

English

X470D4U / B450D4U-V1L

X470D4U: Chassis ID1 Jumper (3-pin CHASSIS_ID1) (see p.7, No. 32) Chassis ID2 Jumper (3-pin CHASSIS_ID2) (see p.7, No. 33) Chassis ID3 Jumper (3-pin CHASSIS_ID3) (see p.7, No. 31)

Reserved for system level use

X470D4U: Chassis ID1 Jumper (3-pin CHASSIS_ID1) (see p.7, No. 32) Chassis ID2 Jumper (3-pin CHASSIS_ID2) (see p.7, No. 33) Chassis ID3 Jumper (3-pin CHASSIS_ID3) (see p.7, No. 31)

Reserved for system level use

SATA DOM Power Jumper
(No function for B450D4U-V1L)
(3-pin SATAPWR1) (see p.7, No. 15)

SATA DOM with Pin7 power support (Pin7 for 5V power supply)

1. SATA HDD 2. SATADOM that requires external power source from PSU (Default: Pin7 for GND)

Consult the documentation that comes with your SATA DOM and check whether or not Pin 7 requires 5V power supply.
If the connected SATA DOM requires 5V power supply, move the jumper caps placed on the SATA DOM Power Jumper (SATAPWR1) from pins 2-3 (default) to pins 1-2.
Warning! Incorrect setting of the SATA DOM Power Jumper (SATAPWR1) may cause damage to the motherboard or your SATA DOM.

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2.8 Onboard Headers and Connectors
Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these headers and connectors. Placing jumper caps over the headers and connectors will cause permanent damage to the motherboard.

System Panel Header (9-pin PANEL1) (see p.7, No. 26)

PLED+ PLEDPWRBTN# GND
1 GND
RESET# GND HDLEDHDLED+

Connect the power switch, reset switch and system status indicator on the chassis to this header according to the pin assignments. Particularly note the positive and negative pins before connecting the cables.

PWRBTN (Power Switch): Connect to the power switch on the chassis front panel. You may configure the way to turn off your system using the power switch.
RESET (Reset Switch): Connect to the reset switch on the chassis front panel. Press the reset switch to restart the computer if the computer freezes and fails to perform a normal restart.
PLED (System Power LED): Connect to the power status indicator on the chassis front panel. The LED is on when the system is operating. The LED is off when the system is in S4 sleep state or powered off (S5).
HDLED (Hard Drive Activity LED): Connect to the hard drive activity LED on the chassis front panel. The LED is on when the hard drive is reading or writing data.
The front panel design may differ by chassis. A front panel module mainly consists of power switch, reset switch, power LED, hard drive activity LED, speaker and etc. When connecting your chassis front panel module to this header, make sure the wire assignments and the pin assignments are matched correctly.

English

X470D4U / B450D4U-V1L

Auxiliary Panel Header (18-pin AUX PANEL1) (see p.7, No. 27)

X470D4U:
A

SMB_Alert SMB_CLK GND SMB_DATA +3VSB LAN1_LINK LED_PWR LED_PWR LAN2_LINK

This header supports multiple
B
functions on the front panel,
including the front panel SMB,
internet status indicator and
chassis intrusion pin.

+5VSB CASEOPEN
GND LOCATORLED1+ LOCATORLED1-
LOCATORBTN# GND
System Fault LEDSystem Fault LED+

B450D4U-V1L:

GND +3VSB LAN1_LINK LED_PWR

+5VSB CASEOPEN
GND GND System Fault LEDSystem Fault LED+

A. Front panel SMBus connecting pin (6-1 pin FPSMB) This header allows you to connect SMBus (System Management Bus) equipment. It can be used for communication between peripheral equipment in the system, which has slower transmission rates, and power management equipment.
B. Internet status indicator (2-pin LAN1_LED, LAN2_LED) These two 2-pin headers allow you to use the Gigabit internet indicator cable to connect to the LAN status indicator. When this indicator flickers, it means that the internet is properly connected.
C. Chassis intrusion pin (2-pin CHASSIS) This header is provided for host computer chassis with chassis intrusion detection designs. In addition, it must also work with external detection equipment, such as a chassis intrusion detection sensor or a microswitch. When this function is activated, if any chassis component movement occurs, the sensor will immediately detect it and send a signal to this header, and the system will then record this chassis intrusion event. The default setting is set to the CASEOPEN and GND pin; this function is off.
D. Locator LED (4-pin LOCATOR) This header is for the locator switch and LED on the front panel.
E. System Fault LED (2-pin LOCATOR) This header is for the Fault LED on the system.
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X470D4U: Serial ATA3 DOM Connector (SATA3_0) (see p.7, No. 14)

SATA3_0

The SATA3 DOM connector supports both a SATA DOM (Disk-On-Module) and a SATA data cable for internal storage device.

Serial ATA3 Connectors X470D4U: (SATA3_1: see p.7, No. 13) (SATA3_2: see p.7, No. 18) (SATA3_3: see p.7, No. 17) (SATA3_4: see p.7, No. 20) (SATA3_5: see p.7, No. 19) (SATA3_8: see p.7, No. 23) (SATA3_9: see p.7, No. 24)
B450D4U-V1L: (SATA3_0) (see p.7, No. 14) (SATA3_6: see p.7, No. 21) (SATA3_7: see p.7, No. 22)

SATA3_9 SATA3_7 SATA3_5 SATA3_3 SATA3_8 SATA3_6 SATA3_4 SATA3_2

SATA3_1

SATA3_0

These connectors support SATA data cables for internal storage devices with up to 6.0 Gb/s data transfer rate.

English

X470D4U / B450D4U-V1L

USB 3.1 Gen1 Header

ID IntA_P_D +

Besides two default USB 3.1

(19-pin USB3_3_4)

IntA_P_D GN D

Gen1 ports on the I/O panel,

(see p.7, No. 16)

IntA_P_SSTX+ IntA_P_SSTX-

there is one USB 3.1 Gen1

GN D IntA_P_SSRX +

header on this motherboard.

IntA_P_SSRX -

This USB 3.1 Gen1 header

Vbu s
can support two USB 3.1 Gen1

1 ports.

Vbu s IntA_P_SSRX -
IntA_P_SSRX + GN D
IntA_P_SSTXIntA_P_SSTX+ GN D IntA_P_D IntA_P_D +

Front Fan Connectors (4-pin FAN2) (see p.7, No. 7) (4-pin FAN3) (see p.7, No. 5) (4-pin FAN4) (see p.7, No. 6) (4-pin FAN5) (see p.7, No. 29) (4-pin FAN6) (see p.7, No. 30)

4 3 21
GND FAN_VOLTAGE_CONTROL FAN_SPEED FAN_SPEED_CONTROL

Please connect fan cables to the fan connectors and match the black wire to the ground pin. All fans support Fan Control.

CPU Fan Connector

(4-pin FAN1)

1 2

(see p.7, No. 9)

This motherboard provides

GND FAN_VOLTAGE CPU_FAN_SPEED

one 4-Pin CPU fan (Quiet Fan) connectors. If you plan

FAN_SPEED_CONTROL to connect a 3-Pin CPU fan,

please connect it to Pin 1-3.

*For more details, please refer to the Cooler QVL list on the ASRock Rack website.

English

3V 12V 12V 5VSB PWROK_PS GND
5V GND
5V GND
3V 3V

ATX Power Connector

(24-pin ATXPWR1)

(see p.7, No. 4)

This motherboard provides a
24-pin ATX power connector. 12 To use a 20-pin ATX power
supply, please plug it along Pin
24
1 and Pin 13.

GND 5V 5V 5V N/A GND GND GND PSON# GND -12V 3V

ATX 12V Power Connectors (8-pin ATX12V1) (see p.7, No. 1)
TPM Header (17-pin TPMS1) (see p.7, No. 28)

GND

12V

This motherboard provides one 8-pin ATX 12V power connector.

F_CLKRUN# SERIRQ#
S_PWRDWN# GND
LAD1_L LAD2_L SMB_DATA_MAIN SMB_CLK_MAIN
GND

This connector supports

Trusted Platform Module

(TPM) system, which can

securely store keys, digital

certificates, passwords, and

data. A TPM system also helps

enhance network security,

protects digital identities, and

ensures platform integrity.

GND +3VSB
LAD0_L +3V LAD3_L TPM_RST# LFRAME#_L CK_33M_TPM

X470D4U: PSU SMBus Header (5-pin PSU_SMB1) (see p.7, No. 3)
X470D4U: Intelligent Platform Management Bus Header (4-pin IPMB_1) (see p.7, No. 35)

ALERT SMBCLK +3V
1
SMBDATA GND
IPMB_SDA IPMB_SCL
GND No Connect

PSU SMBus monitors the status of the power supply, fan and system temperature.
This 4-pin connector is used to provide a cabled base-board or front panel connection for value added features and 3rdparty add-in cards, such as Emergency Management cards, that provide management features using the IPMB.

English

X470D4U / B450D4U-V1L

X470D4U: Baseboard Management Controller SMBus Header (5-pin BMC_SMB_1) (see p.7, No. 34)

The header is used for the SM BUS devices.
BMC_SMB_PRESENT_1_N
Power BMC_SMBCLK GND
BMC_SMBDATA

PWM Configuration Header (3-pin PWM_CFG1) (see p.7, No. 36)

GND SMB_DATA_VSB SMB_CLK_VSB
1

This header is used for PWM configurations.

Clear CMOS Pad (CLRMOS1) (see p.7, No. 25)

This allows you to clear the data in CMOS. To clear CMOS, take out the CMOS battery and short the Clear CMOS Pad.

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2.9 Dr. Debug

Dr. Debug is used to provide code information, which makes troubleshooting even easier. Please see the diagrams below for reading the Dr. Debug codes.

Code

Description

0x10

PEI_CORE_STARTED

0x11

PEI_CAR_CPU_INIT

0x15

PEI_CAR_NB_INIT

0x19

PEI_CAR_SB_INIT

0x31

PEI_MEMORY_INSTALLED

0x32

PEI_CPU_INIT

0x33

PEI_CPU_CACHE_INIT

0x34

PEI_CPU_AP_INIT

0x35

PEI_CPU_BSP_SELECT

0x36

PEI_CPU_SMM_INIT

0x37

PEI_MEM_NB_INIT

0x3B

PEI_MEM_SB_INIT

0x4F

PEI_DXE_IPL_STARTED

0x60

DXE_CORE_STARTED

English

0x61

DXE_NVRAM_INIT

0x62 34

DXE_SBRUN_INIT

X470D4U / B450D4U-V1L

0x63

DXE_CPU_INIT

0x68

DXE_NB_HB_INIT

0x69

DXE_NB_INIT

0x6A

DXE_NB_SMM_INIT

0x70

DXE_SB_INIT

0x71

DXE_SB_SMM_INIT

0x72

DXE_SB_DEVICES_INIT

0x78

DXE_ACPI_INIT

0x79

DXE_CSM_INIT

0x90

DXE_BDS_STARTED

0x91

DXE_BDS_CONNECT_DRIVERS

0x92

DXE_PCI_BUS_BEGIN

0x93

DXE_PCI_BUS_HPC_INIT

0x94

DXE_PCI_BUS_ENUM

0x95

DXE_PCI_BUS_REQUEST_RESOURCES

0x96

DXE_PCI_BUS_ASSIGN_RESOURCES

0x97

DXE_CON_OUT_CONNECT

0x98

DXE_CON_IN_CONNECT

English

0x99 0x9A 0x9B 0x9C 0x9D 0xA0 0xA1 0xA2 0xA3 0xA4 0xA5 0xA6 0xA7 0xA8 0xA9 0xAB 0xAD 0xAE 36

DXE_SIO_INIT DXE_USB_BEGIN DXE_USB_RESET DXE_USB_DETECT DXE_USB_ENABLE DXE_IDE_BEGIN DXE_IDE_RESET DXE_IDE_DETECT DXE_IDE_ENABLE DXE_SCSI_BEGIN DXE_SCSI_RESET DXE_SCSI_DETECT DXE_SCSI_ENABLE DXE_SETUP_VERIFYING_PASSWORD DXE_SETUP_START DXE_SETUP_INPUT_WAIT DXE_READY_TO_BOOT DXE_LEGACY_BOOT

X470D4U / B450D4U-V1L

0xAF 0xB0 0xB1 0xB2 0xB3 0xB4 0xB5 0xB6 0xB7 0xF0 0xF1 0xF2 0xF3 0xF4 0xE0 0xE1 0xE2

DXE_EXIT_BOOT_SERVICES RT_SET_VIRTUAL_ADDRESS_MAP_BEGIN RT_SET_VIRTUAL_ADDRESS_MAP_END DXE_LEGACY_OPROM_INIT DXE_RESET_SYSTEM DXE_USB_HOTPLUG DXE_PCI_BUS_HOTPLUG DXE_NVRAM_CLEANUP DXE_CONFIGURATION_RESET PEI_RECOVERY_AUTO PEI_RECOVERY_USER PEI_RECOVERY_STARTED PEI_RECOVERY_CAPSULE_FOUND PEI_RECOVERY_CAPSULE_LOADED PEI_S3_STARTED PEI_S3_BOOT_SCRIPT PEI_S3_VIDEO_REPOST

English

0xE3 0x50 0x53 0x55 0x57 0x58 0x59 0x5A 0x5B 0xD0 0xD1 0xD2 0xD3 0xD4 0xD5 0xD6 0xD7

PEI_S3_OS_WAKE PEI_MEMORY_INVALID_TYPE PEI_MEMORY_NOT_DETECTED PEI_MEMORY_NOT_INSTALLED PEI_CPU_MISMATCH PEI_CPU_SELF_TEST_FAILED PEI_CPU_NO_MICROCODE PEI_CPU_ERROR PEI_RESET_NOT_AVAILABLE DXE_CPU_ERROR DXE_NB_ERROR DXE_SB_ERROR DXE_ARCH_PROTOCOL_NOT_AVAILABLE DXE_PCI_BUS_OUT_OF_RESOURCES DXE_LEGACY_OPROM_NO_SPACE DXE_NO_CON_OUT DXE_NO_CON_IN

English

X470D4U / B450D4U-V1L

0xD8 0xD9 0xDA 0xDB 0xDC 0xE8 0xE9 0xEA 0xEB

DXE_INVALID_PASSWORD DXE_BOOT_OPTION_LOAD_ERROR DXE_BOOT_OPTION_FAILED DXE_FLASH_UPDATE_FAILED DXE_RESET_NOT_AVAILABLE PEI_MEMORY_S3_RESUME_FAILED PEI_S3_RESUME_PPI_NOT_FOUND PEI_S3_BOOT_SCRIPT_ERROR PEI_S3_OS_WAKE_ERROR

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2.10 Unit Identification purpose LED/Switch
With the UID button, You are able to locate the server you're working on from behind a rack of servers.

X470D4U: Unit Identification purpose LED/Switch (UID1)

When the UID button on the front or rear panel is pressed, the front/rear UID blue LED indicator will be truned on. Press the UID button again to turn off the indicator.

2.11 Driver Installation Guide
To install the drivers to your system, please insert the support CD to your optical drive first. Then, the drivers compatible to your system can be auto-detected and listed on the support CD driver page. Please follow the order from top to bottom to install those required drivers. Therefore, the drivers you install can work properly.

English

X470D4U / B450D4U-V1L

2.12 M.2_SSD (NGFF) Module Installation Guide (X470D4U only)
The M.2, also known as the Next Generation Form Factor (NGFF), is a small size and versatile card edge connector that aims to replace mPCIe and mSATA. The M.2_SSD (NGFF) Socket 3 (M2_1) can accommodate either a M.2 PCI Express module up to Gen 2 x4 (20Gb/s). The M.2_SSD (NGFF) Socket 3 (M2_2) can accommodate either a M.2 SATA3 6.0 Gb/s module or a M.2 PCI Express module up to Gen 3 x2 (16Gb/s).
Installingg the M.2_SSD (NGFF) Module
Step 1
Prepare a M.2_SSD (NGFF) module and the screw.

4 3
2 1

Step 2
Depending on the PCB type and length of your M.2_SSD (NGFF) module, find the corresponding nut location to be used.

No. Nut Location PCB Length Module Type

1 A 4.2cm BType 2242

2 B 6cm Type2260

3 C 8cm Type 2280

4 D 10cm Type 22110

English

Step 3
Move the standoff based on the module type and length. The standoff is placed at the nut location D by default. Skip Step 3 and 4 and go straight to Step 5 if you are going to use the default nut. Otherwise, release the standoff by hand.
Step 4
Peel off the yellow protective film on the nut to be used. Hand tighten the standoff into the desired nut location on the motherboard.
Step 5
Align and gently insert the M.2 (NGFF) SSD module into the M.2 slot. Please be aware that the M.2 (NGFF) SSD module only fits in one orientation.

20o

NUT2

NUT1

Step 6
Tighten the screw with a screwdriver to secure the module into place. Please do not overtighten the screw as this might damage the module.

For the latest updates of M.2_SSD (NFGG) module support list, please visit our website for details: http://www.asrockrack.com

English

X470D4U / B450D4U-V1L

Chapter 3 UEFI Setup Utility

3.1 Introduction
This section explains how to use the UEFI SETUP UTILITY to configure your system. The UEFI chip on the motherboard stores the UEFI SETUP UTILITY. You may run the UEFI SETUP UTILITY when you start up the computer. Please press <F2> or <Del> during the Power-On-Self-Test (POST) to enter the UEFI SETUP UTILITY; otherwise, POST will continue with its test routines. If you wish to enter the UEFI SETUP UTILITY after POST, restart the system by pressing <Ctrl> + <Alt> + <Delete>, or by pressing the reset button on the system chassis. You may also restart by turning the system off and then back on.
Because the UEFI software is constantly being updated, the following UEFI setup screens and descriptions are for reference purpose only, and they may not exactly match what you see on your screen.

3.1.1 UEFI Menu Bar
The top of the screen has a menu bar with the following selections:

Item Main Advanced Server Mgmt Security
Boot
Event Logs Exit

Description To set up the system time/date information To set up the advanced UEFI features To manage the server To set up the security features To set up the default system device to locate and load the Operating System For event log configuration To exit the current screen or the UEFI SETUP UTILITY

Use < > key or < > key to choose among the selections on the menu bar, and then press <Enter> to get into the sub screen.

English

3.1.2 Navigation Keys
Please check the following table for the function description of each navigation key.

Navigation Key(s) / /
+ / <Tab> <Enter> <PGUP> <PGDN> <HOME> <END> <F1> <F7> <F9> <F10> <F12> <ESC>

Function Description Moves cursor left or right to select Screens Moves cursor up or down to select items To change option for the selected items Switch to next function To bring up the selected screen Go to the previous page Go to the next page Go to the top of the screen Go to the bottom of the screen To display the General Help Screen Discard changes and exit the UEFI SETUP UTILITY Load optimal default values for all the settings Save changes and exit the UEFI SETUP UTILITY Print screen Jump to the Exit Screen or exit the current screen

English

X470D4U / B450D4U-V1L
3.2 Main Screen
Once you enter the UEFI SETUP UTILITY, the Main screen will appear and display the system overview. The Main screen provides system overview information and allows you to set the system time and date.
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English

3.3 Advanced Screen
In this section, you may set the configurations for the following items: CPU Configuration, Chipset Configuration, Storage Configuration, ACPI Configuration, USB Configuration, Super IO Configuration, H/W Monitor, PSP Firmware Versions, AMD CBS, AMD PBS and Instant Flash.
Setting wrong values in this section may cause the system to malfunction.
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English

3.3.1 CPU Configuration

X470D4U / B450D4U-V1L

PSS Support
Enable/disable the generation of ACPI _PPC, _PSS, and _PCT objects.
AMD fTPM Switch
To select .0: Auto (Depend on Tcg module). 1: Disabled fTPM. 2: OnBoard SPI TPM2.0
SVM Mode
Enable/disable CPU Virtualization.
CPB Mode
Enable/disable CPB.
C6 Mode
Enable/disable C6.
Node 0 Information
View Memory Information related to Node 0.
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English

3.3.2 Chipset Configuration
Onboard VGA
To enable or disable Onboard VGA.
Above 4G Decoding
Globally Enables or Disables 64bit capable Devices to be Decoded in Above 4G Address Space (Only if System Supports 64 bit PCI Decoding).
SR-IOV Support
If system has SR-IOV capable PCIe Devices, this option Enables or Disables Single Root IO Virtualization Support.
Restore AC Power Loss
This allows you to set the power state after a power failure. If [Power Off] is selected, the power will remain off when the power recovers. If [Power On] is selected, the system will start to boot up when the power recovers.
Restore AC Power Current State
This allows you to restore AC Power Current State.
Onboard Debug Port LED
Enable or disable the onboard Dr. Debug LED. 48

English

3.3.3 Storage Configuration

X470D4U / B450D4U-V1L

PT SATA Port Enable
Enable/disable the SATA controllers.
PT SATA Mode
Select Promontory SATA Type.
SATA Hot Plug
Enable/disable the SATA Hot Plug Function.
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English

3.3.4 ACPI Configuration
PCIE Devices Power On
Allow the system to be waked up by a PCIE device and enable wake on LAN.
RTC Alarm Power On
Use this item to enable or disable RTC (Real Time Clock) to power on the system.
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English

3.3.5 USB Configuration

X470D4U / B450D4U-V1L

Legacy USB Support
Use this option to enable or disable legacy support for USB devices. The default value is [Enabled].

English

3.3.6 Super IO Configuration
Serial Port 1 Configuration
Use this item to set parameters of Serial Port 1 (COM1).
Serial Port
Use this item to enable or disable the serial port.
Serial Port Address
Use this item to select an optimal setting for Super IO device.
SOL Configuration
Use this item to set parameters of SOL.
SOL Port
Use this item to set parameters of SOL.
Serial Port Address
Use this item to select an optimal setting for Super IO device.
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English

X470D4U / B450D4U-V1L
3.3.7 H/W Monitor
In this section, it allows you to monitor the status of the hardware on your system, including the parameters of the CPU temperature, motherboard temperature, CPU fan speed, chassis fan speed, and the critical voltage.
Fan Control
If [Auto] is selected, the fan speed will controlled by BMC. If [Manual] is selected, configure the items below. FAN1 This allows you to set the CPU fan1's speed. The default value is [Smart Fan]. FAN 2 This allows you to set the front fan 2's speed. The default value is [Smart Fan]. FAN 3 This allows you to set the front fan 3's speed. The default value is [Smart Fan]. FAN 4 This allows you to set the front fan 4's speed. The default value is [Smart Fan]. FAN 5 This allows you to set the front fan 5's speed. The default value is [Smart Fan].
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English

FAN 6 This allows you to set the front fan 6's speed. The default value is [Smart Fan]. Smart Fan Control This allows you to set the Smart fan's level speed. Smart Fan Duty Control Smart Fan Duty x (x means 1 to 11 stage) This allows you to set duty cycle for each stage. Smart Fan Temp Control Smart Fan Temp x (x means 1 to 11 stage) This allows you to set temperature for each stage.
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English

3.3.8 AMD CBS

X470D4U / B450D4U-V1L

Zen Common Options
Use this item to configure Zen Common options.
DF Common Options
Use this item to configure DF Common options.
UMC Common Options
Use this item to configure UMC Common options.
NBIO Common Options
Use this item to configure NBIO Common options.
FCH Common Options
Use this item to configure FCH Common options.
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3.3.9 AMD PBS
AMD Firmware Version
Show all of AMD Firmware Version.
BIOS PSP Support
Enable/Disable BIOS PSP driver execution (including all C2P/P2C mailbox, Secure S3, fTPM Support).
MITT/WITT Selection
Use this item to configure MITT/WITT Selection.
LAN Power Enable
Enable or disable LAN Power.
PCIe x16/2x8/4x4 Switch (X470D4U only)
Switch PCIe x16 slot to 1x16, 2x8 or 4x4.
Unused GPP Clocks Off
Turn Unused GPP Clocks Off.
Clock Power Management (CLKREQ#)
Enable or disable CLKREQ#. 56

English

X470D4U / B450D4U-V1L
Clear CMA at warm rst
Enable or disable clearing MCA errors at warm reset. If Enabled, just clear MCA status including that MC0: MSR0000_0401, MC1: MSR0000_0405, MC2: MSR0000_0409, MC4: MSR0000_0411 and MC5: MSR0000_0415.
Win7 USB Wake Support
This option enables USB devices to wake up the system (work with Win7 only).
Adjust MEM VDDIO
Adjust MEM VDDIO, stepping is 4mV. VddIo = 1.2V +/- N * 4 mV, input range is 0-31. Tuning range is 13mV on Turpan.
Adjust APU VDDP
Adjust APU VDDP.
Adjust V1.8
Adjust V1.8, stepping is 3mV. V1.8 = 1.8V +/- N * 3 mV, input range is 0-33. Tuning range is +/- 100 mV.
Adjust VTT MEM
Adjust VTT MEM, stepping is VDDIO * (1/256). VTT_MEM = VDDIO * (N / 256), input range is 113-143.
AddCmd MemVref Adjust
AddCmd MemeVref Adjust, stepping is VDDIO * (1/256). MEM_VREF = VDDIO * (N / 256), input range is 114-142.
Adjust VRM SVI2 - VDDCR_CPU
Offset Mode: +/- based on VID; Gamer Mode: Set VID Directly All the value limit is for test; there's no guarantee that these options are safe.
External Clock Gen - SATA DISP0
Enable External Clock Gen - SATA DISP0.
External Clock Gen
Enable External Clock Gen.
SATA Redriver Tuning
Enable or disable SATA Redriver Tuning.
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AMD Fan Policy
[Air Cooling] follows platform defined policy, [Water Cooling] forces PWM 100%; Selecting [Fan Control] to [Manual] in CBS will override this option.
PcieLanes_4_7_Switch
[PT] Pcie Lanes route to PT CHIP; [CPU] Pcie Lane route to CPU PCIE.
Above 4GB MMIO Enable
Enable or disable Above 4GB MMIO.
NVMe RAID mode
Enable or disable NVMe RAID mode.
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X470D4U / B450D4U-V1L
3.3.10 Instant Flash
Instant Flash is a UEFI flash utility embedded in Flash ROM. This convenient UEFI update tool allows you to update system UEFI without entering operating systems first like MS-DOS or Windows®. Just save the new UEFI file to your USB flash drive, floppy disk or hard drive and launch this tool, then you can update your UEFI only in a few clicks without preparing an additional floppy diskette or other complicated flash utility. Please be noted that the USB flash drive or hard drive must use FAT32/16/12 file system. If you execute Instant Flash utility, the utility will show the UEFI files and their respective information. Select the proper UEFI file to update your UEFI, and reboot your system after the UEFI update process is completed.
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3.4 Server Mgmt
Wait For BMC
Wait For BMC response for specified time out. BMC starts at the same time when BIOS starts during AC power ON. It takes around 90 seconds to initialize Host to BMC interfaces.
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3.4.1 System Event Log

X470D4U / B450D4U-V1L

SEL Components
Change this to enable ro disable event logging for error/progress codes during boot.
Erase SEL
Use this to choose options for earsing SEL.
When SEL is Full
Use this to choose options for reactions to a full SEL.
Log EFI Status Codes
Use this item to disable the logging of EFI Status Codes or log only error code or only progress code or both.
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3.4.2 BMC Network Configuration
Lan Channel (Failover) Manual Setting IPMI LAN
If [No] is selected, the IP address is assigned by DHCP. If you prefer using a static IP address, toggle to [Yes], and the changes take effect after the system reboots. The default value is [No].
Configuration Address Source
Select to configure BMC network parameters statically or dynamically(by BIOS or BMC). Configuration options: [Static] and [DHCP]. Static: Manually enter the IP Address, Subnet Mask and Gateway Address in the BIOS for BMC LAN channel configuration. DHCP: IP address, Subnet Mask and Gateway Address are automatically assigned by the network's DHCP server.
When [DHCP] or [Static] is selected, do NOT modify the BMC network settings on the IPMI web page.
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X470D4U / B450D4U-V1L
The default login information for the IPMI web interface is: Username: admin Password: admin
For more instructions on how to set up remote control environment and use the IPMI management platform, please refer to the IPMI Configuration User Guide or go to the Support website at: http://www.asrockrack.com/support/faq.asp
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3.5 Security
In this section, you may set or change the supervisor/user password for the system. For the user password, you may also clear it.
Supervisor Password
Set or change the password for the administrator account. Only the administrator has authority to change the settings in the UEFI Setup Utility. Leave it blank and press enter to remove the password.
User Password
Set or change the password for the user account. Users are unable to change the settings in the UEFI Setup Utility. Leave it blank and press enter to remove the password.
Secure Boot
Use this to enable or disable Secure Boot Control. The default value is [Disabled]. Enable to support Windows Server 2012 R2 or later versions Secure Boot.
Secure Boot Mode
Secure Boot mode selector: Standard/Custom. In Custom mode Secure Boot Variables can be configured without authentication.
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X470D4U / B450D4U-V1L
3.5.1 Key Management
In this section, expert users can modify Secure Boot Policy variables without full authentication.
Provision Factory Defaults
Allow to provision factory default Secure Boot keys when System is in Setup Mode.
Install Default Secure Boot Keys
Please install default secure boot keys if it's the first time you use secure boot.
Enroll Efi Image
Allow the image to run in Secure Boot mode. Enroll SHA256 hash of the binary into Authorized Signature Database (db).
Platform Key(PK)
Enroll Factory Defaults or load certificates from a file: 1. Public Key Certificate in: a) EFI_SIGNATURE_LIST b) EFI_CERT_X509 (DER encoded) c) EFI_CERT_RSA2048 (bin)
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d) EFI_CERT_SHA256, 384, 512 2. Authenticated UEFI Variable 3. EFI PE/COFF Image(SHA256) Key Source: Default, External, Mixed, Test
Key Exchange Keys
Enroll Factory Defaults or load certificates from a file: 1. Public Key Certificate in: a) EFI_SIGNATURE_LIST b) EFI_CERT_X509 (DER encoded) c) EFI_CERT_RSA2048 (bin) d) EFI_CERT_SHA256, 384, 512 2. Authenticated UEFI Variable 3. EFI PE/COFF Image(SHA256) Key Source: Default, External, Mixed, Test
Authorized Signatures
Enroll Factory Defaults or load certificates from a file: 1. Public Key Certificate in: a) EFI_SIGNATURE_LIST b) EFI_CERT_X509 (DER encoded) c) EFI_CERT_RSA2048 (bin) d) EFI_CERT_SHA256, 384, 512 2. Authenticated UEFI Variable 3. EFI PE/COFF Image(SHA256) Key Source: Default, External, Mixed, Test
Forbidden Signatures
Enroll Factory Defaults or load certificates from a file: 1. Public Key Certificate in:
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X470D4U / B450D4U-V1L
a) EFI_SIGNATURE_LIST b) EFI_CERT_X509 (DER encoded) c) EFI_CERT_RSA2048 (bin) d) EFI_CERT_SHA256, 384, 512 2. Authenticated UEFI Variable 3. EFI PE/COFF Image(SHA256) Key Source: Default, External, Mixed, Test
Authorized TimeStamps
Enroll Factory Defaults or load certificates from a file: 1. Public Key Certificate in: a) EFI_SIGNATURE_LIST b) EFI_CERT_X509 (DER encoded) c) EFI_CERT_RSA2048 (bin) d) EFI_CERT_SHA256, 384, 512 2. Authenticated UEFI Variable 3. EFI PE/COFF Image(SHA256) Key Source: Default, External, Mixed, Test
OsRecovery Signatures
Enroll Factory Defaults or load certificates from a file: 1. Public Key Certificate in: a) EFI_SIGNATURE_LIST b) EFI_CERT_X509 (DER encoded) c) EFI_CERT_RSA2048 (bin) d) EFI_CERT_SHA256, 384, 512 2. Authenticated UEFI Variable 3. EFI PE/COFF Image(SHA256) Key Source: Default, External, Mixed, Test
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3.6 Boot Screen
In this section, it will display the available devices on your system for you to configure the boot settings and the boot priority.
Boot Option #1
Use this item to set the system boot order.
Boot Option Filter
This option controls Legacy/UEFI ROMs priority.
Fast Boot
Enables/Disables fast boot which skips memory training and attempts to boot using last known good configuration.
Boot From Onboard LAN
Use this item to enable or disable the Boot From Onboard LAN feature.
Setup Prompt Timeout
Configure the number of seconds to wait for the UEFI setup utility.
Bootup Num-Lock
If this item is set to [On], it will automatically activate the Numeric Lock function after boot-up. 68

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X470D4U / B450D4U-V1L Boot Beep
Select whether the Boot Beep should be turned on or off when the system boots up. Please note that a buzzer is needed.
Full Screen Logo
Use this item to enable or disable OEM Logo. The default value is [Enabled].
AddOn ROM Display
Use this option to adjust AddOn ROM Display. If you enable the option "Full Screen Logo" but you want to see the AddOn ROM information when the system boots, please select [Enabled]. Configuration options: [Enabled] and [Disabled]. The default value is [Enabled].
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3.6.1 CSM Parameters
CSM
Enable to launch the Compatibility Support Module. Please do not disable unless you're running a WHCK test. If you are using Windows Server 2012 R2 or later versions 64-bit UEFI and all of your devices support UEFI, you may also disable CSM for faster boot speed.
Launch Video OpROM Policy
Select UEFI only to run those that support UEFI option ROM only. Select Legacy only to run those that support legacy option ROM only. Select Do not launch to not execute both legacy and UEFI option ROM.
PCIE4 Slot OpROM (X470D4U only)
Use this item to select slot storage and Network Option ROM policy. In Auto option, the default is Disabled with NVMe device, but it is Legacy with other devices. (This item can't select Video Option ROM policy.)
PCIE5 Slot OpROM
Use this item to select slot storage and Network Option ROM policy. In Auto option, the default is Disabled with NVMe device, but it is Legacy with other devices. (This item can't select Video Option ROM policy.) 70

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X470D4U / B450D4U-V1L PCIE6 Slot OpROM
Use this item to select slot storage and Network Option ROM policy. In Auto option, the default is Disabled with NVMe device, but it is Legacy with other devices. (This item can't select Video Option ROM policy.)
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3.7 Exit Screen
Save Changes and Exit
When you select this option, the following message "Save configuration changes and exit setup?" will pop-out. Press <F10> key or select [Yes] to save the changes and exit the UEFI SETUP UTILITY.
Discard Changes and Exit
When you select this option, the following message "Discard changes and exit setup?" will pop-out. Press <ESC> key or select [Yes] to exit the UEFI SETUP UTILITY without saving any changes.
Discard Changes
When you select this option, the following message "Discard changes?" will pop-out. Press <F7> key or select [Yes] to discard all changes.
Load UEFI Defaults
Load UEFI default values for all the setup questions. F9 key can be used for this operation.
Boot Override
These items displays the available devices. Select an item to start booting from the selected device.
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X470D4U / B450D4U-V1L
Chapter 4 Software Support
4.1 Install Operating System
This motherboard supports various Microsoft® Windows® / Linux compliant. Because motherboard settings and hardware options vary, use the setup procedures in this chapter for general reference only. Refer to your OS documentation for more information.
*Please download the AMD SATA Floppy Image driver from the ASRock Rack's website (www.asrockrack.com) to your USB drive or simply install the SATA driver from the Support CD while installing OS in SATA RAID mode.
4.2 Support CD Information
The Support CD that came with the motherboard contains necessary drivers and useful utilities that enhance the motherboard's features.
4.2.1 Running The Support CD
To begin using the support CD, insert the CD into your CD-ROM drive. The CD automatically displays the Main Menu if "AUTORUN" is enabled in your computer. If the Main Menu does not appear automatically, locate and double click on the file "ASRSetup. exe" from the root folder in the Support CD to display the menu.
4.2.2 Drivers Menu
The Drivers Menu shows the available device's drivers if the system detects installed devices. Please install the necessary drivers to activate the devices.
4.2.3 Utilities Menu
The Utilities Menu shows the application softwares that the motherboard supports. Click on a specific item then follow the installation wizard to install it.
4.2.4 Contact Information
If you need to contact ASRock Rack or want to know more about ASRock Rack, welcome to visit ASRock Rack's website at http://www.ASRockRack.com; or you may contact your dealer for further information.
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Chapter 5 Troubleshooting
5.1 Troubleshooting Procedures
Follow the procedures below to troubleshoot your system.
Always unplug the power cord before adding, removing or changing any hardware components. Failure to do so may cause physical injuries to you and damages to motherboard components.
1. Disconnect the power cable and check whether the PWR LED is off. 2. Unplug all cables, connectors and remove all add-on cards from the motherboard.
Make sure that the jumpers are set to default settings. 3. Confirm that there are no short circuits between the motherboard and the chassis. 4. Install a CPU and fan on the motherboard, then connect the chassis speaker and power
LED.
If there is no power... 1. Confirm that there are no short circuits between the motherboard and the chassis. 2. Make sure that the jumpers are set to default settings. 3. Check the settings of the 115V/230V switch on the power supply. 4. Verify if the battery on the motherboard provides ~3VDC. Install a new battery if it
does not.
If there is no video... 1. Try replugging the monitor cables and power cord. 2. Check for memory errors.
If there are memory errors... 1. Verify that the DIMM modules are properly seated in the slots. 2. Use recommended DDR4 ECC/UDIMMs. 3. If you have installed more than one DIMM modules, they should be identical with the
same brand, speed, size and chip-type. 4. Try inserting different DIMM modules into different slots to identify faulty ones. 5. Check the settings of the 115V/230V switch on the power supply.
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X470D4U / B450D4U-V1L Unable to save system setup configurations...
1. Verify if the battery on the motherboard provides ~3VDC. Install a new battery if it does not.
2. Confirm whether your power supply provides adaquate and stable power. Other problems... 1. Try searching keywords related to your problem on ASRock Rack's FAQ page:
http://www.asrockrack.com/support
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5.2 Technical Support Procedures
If you have tried the troubleshooting procedures mentioned above and the problems are still unsolved, please contact ASRock Rack's technical support with the following information: 1. Your contact information 2. Model name, BIOS version and problem type. 3. System configuration. 4. Problem description. You may contact ASRock Rack's technical support at: http://www.asrockrack.com/support/tsd.asp
5.3 Returning Merchandise for Service
For warranty service, the receipt or a copy of your invoice marked with the date of purchase is required. By calling your vendor or going to our RMA website (http://event. asrockrack.com/tsd.asp) you may obtain a Returned Merchandise Authorization (RMA) number. The RMA number should be displayed on the outside of the shipping carton which is mailed prepaid or hand-carried when you return the motherboard to the manufacturer. Shipping and handling charges will be applied for all orders that must be mailed when service is complete. This warranty does not cover damages incurred in shipping or from failure due to alteration, misuse, abuse or improper maintenance of products. Contact your distributor first for any product related problems during the warranty period.
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