Display of System Type and BIOS Version Number on Boot. Compal NBLB2

NBLB2 Service Manual

9. Customer Specific Features

9.1 Display of System Type and BIOS Version Number on Boot

BIOS Version V1.00*

Note: * The numbers of BIOS version will be changed.

9.2 CMOS RAM management

For UEFI Code, CMOS just reserve for kernel code/Chipset code, the variable storage had been replaced by flash part

9.3 System Management BIOS(SM BIOS) version 2.4 (DMI 2.0)

Limited DMI 2.0 BIOS information are provided:

BIOS version number is type 0 data item.

Type 1:



System serial number – 64 alphanumeric characters with 12-character bundle number



System manufacturer name – 16 alphanumeric characters



System product name

– 32 alphanumeric characters



System version – 32 alphanumeric characters



UUID

– 32 Hexadecimal numbers

Type 2:



System manufacturer name – 16 alphanumeric characters



Motherboard Product name

– „NBLB2‟



System serial number – 64 alphanumeric characters with 12-character bundle number

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

System Serial Number 00h – 1Fh

20h – 3Fh

Manufacturer name

System version

40h – 4Fh

50h – 6Fh

Comments

32 bytes of Serial number.

32 bytes of Bundle number.

16 bytes for DMI type 1/2/3

32 bytes of System version for DMI type 1.

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NBLB2 Service Manual

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

70h – 7Fh

80h – 9Fh

A0h – DDh

DEh – DFh

E0h – E7h

E8h – EAh

EBh - EFh

F0h

F1h

F2h

F3h – F4h

F5h – F6h

F7h – FDh

FEh

16 bytes for UUID for DMI type 1.

32 bytes of System product name.

62 bytes for DMI type 11

Unused

8 bytes for GUID

3 bytes for born on date

Reserved

Define for US/UK/JP keyboard

1 byte for Keyboard BIOS used

1 byte for Branding.

Identification ID for test process control

Reserved 2 bytes for keyboard used

Unused

Set to AAh when the EEPROM get initialized.

200h – 23Fh 64 bytes for DMI Type 3

240h - 7FFh Reserved

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