Eeprom - Compal JHT01 Service Manual

Type 3:
• System manufacturer name - 16 alphanumeric character
• System serial number - 64 alphanumeric characters with 12-character bundle
number
• Asset tag number - 128 alphanumeric characters
9.4

EEPROM

There is one EEPROM that is used to store many important system and user data
in the notebook (some data are reserved for future to use). The size of the
EEPROM is 2K bytes.
The EEPROM map is listing as below:
Name
System Serial Number
Manufacturer name
System version
UUID
System product name
DMI type 11
Unused
GUID
Born On Date
Reserved
Keyboard type
Keyboard BIOS used
Branding
Process ID for factory
Reserved for keyboard
Unused
EEPROM initialized flag
Assettag number
Reserved
Offset Comments
00h - 1Fh 32 bytes of Serial number.
20h - 3Fh 32 bytes of Bundle number.
40h - 4Fh 16 bytes for DMI type 1/2/3
50h - 6Fh 32 bytes of System version for
DMI type 1.
70h - 7Fh 16 bytes for UUID for DMI type 1.
80h - 9Fh 32 bytes of System product name.
A0h - DDh 62 bytes for DMI type 11
DEh - DFh Unused
E0h - E7h 8 bytes for GUID
E8h - EAh 3 bytes for born on date
EBh - EFh Reserved
F0h Define for US/UK/JP keyboard
F1h 1 byte for Keyboard BIOS used
F2h 1 byte for Branding.
F3h - F4h Identification ID for test process
control
F5h - F6h Reserved 2 bytes for keyboard used
F7h - FDh Unused
FEh Set to AAh when the EEPROM get
initialized.
200h - 23Fh 64 bytes for DMI Type 3
240h - 7FFh Reserved
JHT01 Service Manual
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