| xx/xx/xx - BIOS release date |
MM/DD/YY , newer releases use MM/DD/YYYY |
| SiS-496/497 - custom |
most manufacturers use this field for the chipset and I/O name |
| 2 - BIOS application |
1 - BIOS before v4.2
2 - EliteBIOS v4.5x (commonly known as Award Modular BIOS 4.51PG)
3 - PowerBIOS v5.0 (Software on floppy disk)
4 - CardWare PCMCIA
5 - CAMPliant SCSI
6 - Medallion BIOS v6.00
7 - Socket services
8 - Card services
9 - OEM card manufacturing kit |
| A - bus system / topology |
1 - ISA
2 - PS/2
3 - EISA Video
4 - Other
5 - EISA / ISA
6 - SCSI
7 - PCMCIA
8 - SCSI / CAM
9 - SCSI / CAMkit
A - ISA / PCI
B - EISA / PC
C - ISA / PM
D - EISA / PM
E - PCI / PnP |
| 5 - CPU type |
1 - 8086 / 8088
2 - 80286
3 - 80386
4 - 80486
5 - Pentium class
6 - Pentium II/III class OR Cyrix 386
7 - Cyrix 486
8 - 386SL
9 - 386SX
A - 42
B - 80C51SL
E - EGA
U - Universal
V - VGA |
| I - Chipset manufacturer |
1 - ALD
3 - Cyrix
5 - ST Micro
6 - ATI Tech
9 - intel
D - HiNT
G - VLSI
H - Contaq
I - SiS
J - Symphony [Winbond]
K - Acer Labs Inc ALi
L - VIA
O - EFAR
R - Forex
S - AMD
T - ACC Micro
U - OPTi
V - SARC
X - UMC |
| B - Chipset name |
Only useful with chipset manufacturer (see complete listing) |
| i - flash identifier |
i - intel 12V
s - SST 5V Flash ROM |
| Z1 - manufacturer code |
See complete listing |
| DC - model ID |
Manufacturer specific |
| 00 - BIOS version |
00 - initial release] |
