4.10 Customer Specific Features
4.10.1 Display of System Type and BIOS Version Number on Boot
The development BIOS Version should start from 0.01 and the formal BIOS for
MP should start from 1.00.
4.10.2 CMOS RAM management
For UEFI Code, CMOS just reserve for kernel code/Chipset code, the variable
storage had been replaced by flash part.
4.10.2.1 CMOS Requirement for Debug Purpose
For debug purpose, BIOS could save data to CMOS NV0 (access by port 70h/71h)
offset 48h-4Fh, 6Ch-6Fh and 70h-7Fh, NV1 (access by port 72h/73h) offset
40h-57h and 60h-7Fh which are reserved for OEM use.
4.10.3 System Management BIOS(SM BIOS) version 2.4 (DMI 2.0)
Limited DMI 2.0 BIOS information is 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:
1
System manufacturer name – 16 alphanumeric characters
2
Motherboard Product name – ‘XXX’
3
System serial number – 64 alphanumeric characters with 12-character
bundle number
Type 3:
4
System manufacturer name – 16 alphanumeric character
5
System serial number – 64 alphanumeric characters with 12-character
bundle number
6
Asset tag number – 128 alphanumeric characters
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