Compal JHT01 - Eeprom

JHT01 Service Manual
2-13
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 Offset Comments
System Serial Number 00h - 1Fh
20h - 3Fh
32 bytes of Serial number.
32 bytes of Bundle number.
Manufacturer name 40h - 4Fh 16 bytes for DMI type 1/2/3
System version 50h - 6Fh 32 bytes of System version for
DMI type 1.
UUID 70h - 7Fh 16 bytes for UUID for DMI type 1.
System product name 80h - 9Fh 32 bytes of System product name.
DMI type 11 A0h - DDh 62 bytes for DMI type 11
Unused DEh - DFh Unused
GUID E0h - E7h 8 bytes for GUID
Born On Date E8h - EAh 3 bytes for born on date
Reserved EBh - EFh Reserved
Keyboard type F0h Define for US/UK/JP keyboard
Keyboard BIOS used F1h 1 byte for Keyboard BIOS used
Branding F2h 1 byte for Branding.
Process ID for factory F3h - F4h Identification ID for test process
control
Reserved for keyboard F5h - F6h Reserved 2 bytes for keyboard used
Unused F7h - FDh Unused
EEPROM initialized flag FEh Set to AAh when the EEPROM get
initialized.
Assettag number 200h - 23Fh 64 bytes for DMI Type 3
Reserved 240h - 7FFh Reserved