Reference Guide

Can user programs or
operating system write data
to it during normal
operation?
No
Purpose To store VGA EDID
How is data input to this
memory?
Writing EDID requires a vendor-provided tool and
an specific VGA cable.
How is this memory write
protected?
Hardware and software write protected
DVI EDID EEPROM
M24XXXXXXXX
Size
2Kbit
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
To store DVI EDID
How is data input to this
memory?
Writing EDID requires a vendor-provided tool and
an specific DVI cable.
How is this memory write
protected?
Hardware write protected
Flash ROM
MX25XXXXXX
Size
1 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
firmware
How is this memory write
protected?
Hardware write protected
CAUTION: All other components on the system board lose data if power is removed from the system. Primary
power loss (unplugging the power cord) destroys all user data.