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Dell U2412M Monitor User Manual

Statement of volatility – dell ultrasharp u2412m

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May 2014

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