Intel Desktop Board Boxdh55Hc Users Manual Intel(R) Boards DH55HC And DH55TC
BOXDH55HC to the manual 0bdaddd5-404c-42ba-9782-ad70d16f998e
2015-02-02
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ATX / MicroATX Form Factor
Intel® Desktop Boards DH55HC 
and DH55TC Media Series
The Intel Desktop Boards DH55HC and 
DH55TC also support legacy features such 
as PCI connectors, a parallel header, a serial 
header, and a back panel PS/2 connector.
Fun to Tune
Designed with memory overvoltage  
(DH55HC) and memory overclocking support6, 
memory parameters can be nely tuned 
to improve memory capabilities and boost 
system performance.
Powered by the latest Intel® Core™ processors  
with Intel HD Graphics, the Intel Desktop 
Boards DH55HC and DH55TC deliver superb 
visual performance for sharper images, 
richer color, and lifelike video and audio.  
You can enjoy movies and Internet videos  
in high denition and play popular games 
with full graphics and media support built in. 
Both boards also offer premium features 
such as the support of dual-channel DDR3 
1333 MHz memory with four connectors  
(16 GB4 max), Intel® High Denition Audio5 
with 5.1 surround sound, and an integrated  
Intel® PRO 10/100/1000 Network Connection 
in a new low-power design.
Two onboard SATA ports are compatible 
with an eSATA dongle, allowing you to 
conveniently extend the eSATA port to 
the back panel while keeping the exibility 
to support up to six internal SATA ports if 
eSATA support is not needed.
Embrace the Era of HD
The Intel® Desktop Board DH55HC (ATX) and 
Intel® Desktop Board DH55TC (microATX) 
are based on the Intel® H55 Express Chipset. 
These boards support the Intel® Core™ i7 and 
Intel® Core™ i5 processors in the LGA1156 
package, which feature Intel® Turbo Boost 
Technology1 and Intel® Hyper-Threading 
Technology2, for exceptional performance 
and scalability. These boards support the 
Intel® Core™ i3 and Intel® Pentium® proces-
sors in the LGA1156 package as well. The 
Intel Desktop Boards DH55HC and DH55TC 
feature VGA, DVI-D, and HDMI*3 connectors 
and support dual independent display for 
processors with Intel® HD Graphics.
PRODUCT BRIEF
Intel® Desktop Boards DH55HC  
and DH55TC Media Series
DH55HC board shown

2
Intel® Desktop Boards DH55HC and DH55TC  
Media Series 
The boxed Intel® Desktop Boards DH55HC and DH55TC solution includes:
• ATX / MicroATX compliant I/O shield
• SATA cables
• Board and back panel I/O layout labels
• Quick reference guide
• Intel® Express Installer driver and software DVD
Software included:
CAPABILITY  SOFTWARE INCLUDED:
Utilities  • Intel® Desktop Utilities (Internet Download)
Productivity  • Laplink* PCmover* Express
Entertainment   • DivX* for Windows*
Antivirus  • ESET* Smart Security (45-day license)

3
9.6” (24.38 cm)
11.6” (29.46 cm)
7
1
2
3
6
12
5 4
Intel® Desktop Boards DH55HC and DH55TC  
Media Series  
Features and Benets
8119
13
DH55HC board shown
 1 Supports the Intel® Core™ i7, Intel® 
Core™ i5, Intel® Core™ i3, and Intel® 
Pentium® processors in the LGA1156 
package: Select processors feature 
Intel® Turbo Boost Technology1 and  
Intel® Hyper-Threading Technology2 for 
exceptional performance and  
scalability.
 2 Intel® H55 Express Chipset PCH 
 3 Dual-channel DDR3 with four  
connectors for 1333 / 1066 MHz 
memory support (16 GB4 max):  
Supports memory overvoltage 
(DH55HC) and memory overclocking.6 
 4 PCI Express* 2.0 x16 graphics  
connector
 5 Two PCI Express* x1 connectors 
 6 Three PCI connectors (DH55HC)  
or one PCI connector (DH55TC)
 7 Six SATA ports with two SATA ports 
compatible with eSATA dongle
 8 Twelve Hi-Speed USB 2.0 ports:  
Six back panel ports and six additional 
ports via three internal headers.
 9 Integrated Intel® PRO 10/100/1000 
Network Connection
 10 Eight-channel Intel® High Denition 
Audio5: Features internal S/PDIF 
header, front panel audio header, and 
internal speaker header.
 11 VGA + DVI-D + HDMI*3: Supports  
dual independent display and allows 
for the most exible display output  
for Intel® Core™ processors with  
Intel® HD Graphics.
 12 PS/2 port: Supports keyboard or 
mouse
 13 ATX Form Factor (DH55HC) 
MicroATX Form Factor (DH55TC)
10

Europe
  (Low Voltage Directive 2006/95/EC)  
  EN 60950-1
International
  IEC 60950-1
EMC regulations (tested in representative chassis)
United States
  FCC 47 CFR Part 15, Subpart B
Canada
  ICES-003 Class B
Europe
  (EMC Directive 2004/108/EC) 
  EN 55022 and EN 55024
Australia/New Zealand
  EN 55022 Class B
Japan
  VCCI V-3, V-4 Class B
South Korea
  KN-22 and KN-24
Taiwan
  CNS 13438 Class B
International
  CISPR 22 Class B
Environmental Compliance
Europe
  Europe RoHS (Directive 2002/95/EC)
China
  China RoHS (MII Order # 39)
For ordering information, visit  
www.intel.com
For the most current product information,  
visit www.intel.com/go/idb  
or http://ark.intel.com
For specific processor compatibility, visit 
http://processormatch.intel.com
PROCESSOR 
Processor Support 
•Intel®Core™i7,Intel®Core™i5,Intel®Core™i3,and 
 Intel®Pentium®processorsintheLGA1156package 
•SupportsIntel®64architecture7
CHIPSET
Intel® H55 Express Chipset 
•Intel®82H55PlatformControllerHub(PCH)
Peripheral Connectivity 
•SixSATAports(3.0Gb/s)withtwoSATAports 
 compatiblewitheSATAdongle 
•TwelveHi-SpeedUSB2.0ports(sixbackpanel 
 portsandsixadditionalportsviathreeinternal 
  headers)
System BIOS 
•64MbFlashEEPROMwithIntel®Platform 
 InnovationFrameworkforEFIPlugandPlay 
•Advancedconfigurationandpowerinterface 
 V3.0b,DMI2.5 
•Intel®ExpressBIOSupdatesupport
Hardware Management Features 
•Processorfanspeedcontrol 
•Frontandrearsystemchassisfanspeedcontrol 
•Voltageandtemperaturesensing 
•Fansensorinputsusedtomonitorfanactivity 
•ACPI-compliantpowermanagementsupport
Intel® PRO 10/100/1000 Network Connection 
•Newlow-powerdesign
  1  Intel® Turbo Boost Technology requires a PC with a processor with Intel Turbo Boost Technology capability. Intel Turbo Boost Technology performance varies depending on hardware, software, and overall 
system conguration. Check with your PC manufacturer on whether your system delivers Intel Turbo Boost Technology. See www.intel.com/technology/turboboost for more information.
  2  Intel® Hyper-Threading Technology requires a computer system with a processor supporting HT Technology and an HT Technology-enabled chipset, BIOS, and operating system. Performance will vary 
depending on the specic hardware and software you use. For more information including details on which processors support HT Technology, see www.intel.com/info/hyperthreading.
  3  Requires a processor with Intel® HD Graphics.
  4  System resources and hardware (such as PCI and PCI Express*) require physical memory address locations that can reduce available addressable system memory. This could result in a reduction of as much 
as 1 GB or more of physical addressable memory being available to the operating system and applications, depending on the system conguration and operating system.
  5  Intel® High Denition Audio requires a system with an appropriate Intel® chipset and a motherboard with an appropriate codec and the necessary drivers installed. System sound quality will vary depending 
on actual implementation, controller, codec, drivers, and speakers. For more information about Intel® HD Audio, refer to www.intel.com/design/chipsets/hdaudio.htm.
  6  WARNING: Altering PC memory frequency, voltage, and/or latency may: (i) reduce system stability and useful life of the system, memory, and processor; (ii) cause the processor and other system compo-
nents to fail; (iii) cause reductions in system performance; (iv) cause additional heat or other damage; and (v) affect system data integrity. Intel has not tested, and does not warranty, the operation of the 
memory beyond its specications. Intel assumes no responsibility that the memory, including if used with altered clock frequencies and/or voltages, will be t for any particular purpose. Check with memory 
manufacturer for warranty and additional details.
  7  64-bit computing on Intel® architecture requires a computer system with a processor, chipset, BIOS, operating system, device drivers, and applications enabled for Intel® 64 architecture. Processors will not 
operate (including 32-bit operation) without an Intel 64 architecture-enabled BIOS. Performance will vary depending on your hardware and software congurations. See http://developer.intel.com/technology/ 
intel64/index.htm for more information.
   INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL® PRODUCTS. NO LICENSE, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IS 
GRANTED BY THIS DOCUMENT. EXCEPT AS PROVIDED IN INTEL’S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS, INTEL ASSUMES NO LIABILITY WHATSOEVER, AND INTEL DISCLAIMS ANY EXPRESS 
OR IMPLIED WARRANTY, RELATING TO SALE AND/OR USE OF INTEL PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR 
INFRINGEMENT OF ANY PATENT, COPYRIGHT, OR OTHER INTELLECTUAL PROPERTY RIGHT.
   Intel products are not intended for use in medical, life-saving, or life-sustaining applications. Intel may make changes to specications and product descriptions at any time, without notice.
   All products, dates, and gures specied are preliminary based on current expectations, and are subject to change without notice. Availability in different channels may vary.
   Actual Intel® Desktop Board may differ from the image shown.
   Intel, the Intel logo, Intel Core, and Pentium are trademarks of Intel Corporation in the U.S. and other countries.
  *  Other names and brands may be claimed as the property of others.
   Copyright © 2010 Intel Corporation. All rights reserved. 0210/FZ/MS/PDF   322801-001US
Intel® Desktop Boards DH55HC and DH55TC Media Series Technical Specications
Expansion Capabilities 
•OnePCIExpress*2.0x16connector 
•TwoPCIExpress2.0x1connectors 
•ThreePCIconnectors(DH55HC) 
•OnePCIconnector(DH55TC)
Audio
•5.1+2multistreamingIntel®HighDefinitionAudio5 
•InternalS/PDIFheaderandspeakerheaders
Video
•VGA+DVI-D+HDMI*3: supports dual independent 
 displayforIntel®Core™processorswithIntel®HD 
 Graphics
SYSTEM MEMORY
Memory Capacity
•Four240-pinDIMMconnectorssupportingupto 
 fourdouble-sidedDIMMs 
•Maximumsystemmemoryupto16GB4using4GB 
  double-sided DIMMs
Memory Types 
•DDR31333/1066SDRAMmemorysupport 
•Non-ECCMemory 
•Supportsmemoryovervoltage(DH55TC)and 
 memoryoverclocking6 
Memory Modes 
•Dual-orsingle-channeloperationsupport
Memory Voltage 
•Memoryovervoltageto1.60Vand1.65V(DH55HC) 
•1.5VstandardJEDECvoltage
JUMPERS AND FRONT-PANEL CONNECTORS
Jumpers
•JumperaccessforBIOSmaintenancemode
Front-Panel Connectors
•Reset,HDLED,PowerLEDs,poweron/off 
•Front-panelaudioheader
Other Connectors
•Oneserialportheader 
•Oneparallelportheader 
•ChassisIntrusionDetectheader(DH55HC)
MECHANICAL
Form Factor
•ATX(DH55HC) 
•MicroATX(DH55TC)
Board Size
•9.6”x11.6”(24.38cmx29.46cm)(DH55HC) 
•9.6”x9.6”(24.38cmx24.38cm)(DH55TC)
Baseboard Power Requirements
•ATX12V
ENVIRONMENT
Operating Temperature
•0°Cto+40°C
Storage Temperature
•-40°Cto+60°C
REGULATIONS AND SAFETY STANDARDS
United States and Canada
 CSA/UL60950-1,FirstEdition(BinationalStandard)