Dell U2412m Monitor Statement Of Volatility User Manual White Papers En Us

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Statement of Volatility – Dell UltraSharp U2412M
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the
problem.

The Dell UltraSharp U2412M monitor contains both volatile and non-volatile (NV) components. Volatile
components lose their data immediately after power is removed from the component. Non-volatile (NV)
components continue to retain their data even after power is removed from the component. The following
NV components are present on the system board.
List below contains volatile and non-volatile memory ICs used in Dell UltraSharp U2412M monitor.
System EEPROM and
(DP EEPROM)

ATMEL 24C16

Size

16 Kbit

Type [e.g. Flash PROM, EEPROM]

EEPROM

Volatility

Non-volatile

Can user programs or operating
system write data to it during
normal operation?

OSD setting: Yes
EDID: No

Purpose

Storage of system setting (OSD) / Storage of DP EDID

How is data input to this memory?

Control the OSD menu and change OSD setting (ex. Brightness,
contrast, color setting) and the setting will be stored into
system EEPROM.

How is this memory write
protected?

Software write-protected

VGA EDID EEPROM

ATMEL 24C02

Size

2 Kbit

Type [e.g. Flash PROM, EEPROM]

EEPROM

Volatility

Non-volatile

Can user programs or operating
system write data to it during
normal operation?

No

Purpose

Storage of VGA EDID

How is data input to this memory?

Writing EDID requires a customized EDID tool and a special
VGA cable.

How is this memory write
protected?

Hardware and software write-protected

DVI EDID EEPROM

ATMEL 24C02

Size

2 Kbit

Type [e.g. Flash PROM, EEPROM]

EEPROM

Volatility

Non-volatile

May 2014

Can user programs or operating
system write data to it during
normal operation?

No

Purpose

Storage of DVI EDID

How is data input to this memory?

DVI EDID is embedded in the firmware, and copied to EEPROM
after F/W programming.
(or via customized EDID tool)

How is this memory write
protected?

Hardware and software write-protected

Flash ROM

Winbond W25X40B

Size

4 Mbit

Type [e.g. Flash PROM, EEPROM]

Serial flash memory

Volatility

Non-volatile

Can user programs or operating
system write data to it during
normal operation?

No

Purpose

To store firmware

How is data input to this memory?

Loading flash memory requires a vendor-provided tool and
firmware.

How is this memory write
protected?

Software write-protected

______________
Copyright © 2014 Dell Inc. All rights reserved.
This product is protected by U.S. and international copyright and intellectual property laws. Dell and the Dell logo are trademarks of
Dell Inc. in the United States and/or other jurisdictions. All other marks and names mentioned herein may be trademarks of their
respective companies.



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