To find your Chaintech BIOS upgrade or driver you can do one of the following options:

1. Identify your Chaintech motherboard model via our Award BIOS or AMI BIOS id's tabs
2. Find a(n) Chaintech BIOS upgrade or driver via the Links tab on the official site.
3. Run the BIOS Agent Plus scan (new!) browser plugin.

Award BIOS motherboard IDs (more info)

2A496C30-00	486ICP
2A4IBC31-01
2A4IBC31-B2
2A4IBC32-B2	486SPM
2A4IBC32-B3
2A4IBC32C-00	486SPM (PCB: M1.02)
2A4IBC3IC-00	486SPM
2A4X5C31-00
2A597C31-00
2A59CC31
2A59CC3A	586IEM
2A59CC3AC-00	586IEM, 586IEM0 or 586IEM0.1
2A59CC3B	5IEM
2A59CC3BC	5IEM
2A59CC39
2A59CC39C-01	5IDM2 (PCB: M105)
2A59FC39C-00	5IFM
2A59FC3AC-00	5HTM (PCB: M101)
2A59GC39
2A59GC39C	5VGM or 5IFM or 5IGM
03/27/97-i430vx-8680-2A59GC39C-00	5VLM0
2A5IAC31-00
2A5IAC36-00
2A5ICC39-01	5SBM2
2A5IDC3A	5SEM
2A5IDC3AC-00	586SEM
2A5IDC3CC-00
2A5IDC39
2A5IDC39C-00	5SEM (PCB: M102)
06/02/1998 MVP3-586-8661-2A5LEC39C-00	5AGM2
2A5X7C31-00	5UBM
2A69HC3DC-00	6FTM
xx/xx/xxxx-i440EX-8671-2A69JC39C-00	6ESA / 6ESA2
xx/xx/xxxx-i440EX-8661-2A69JC39C-00	6ESV
xx/xx/xxxx-i440LX-8673-2A69JC39C-00	6LIA
xx/xx/xxxx-i440LX-8679-2A69JC39C-00	6LTL
xx/xx/xxxx-i440LX-W977-2A69JC39C-00	6LTM
xx/xx/xxxx-i440LX-8671-2A69JC39C-00	6LTM2
xx/xx/xxxx-i440LX-W977-2A69JC39C-00	6LTS
05/05/1999-i440BX-W977EF-2A69KC39C-00	6BDA
06/23/1999-i440BX-W977TF-2A69KC39C-00	6BDU
12/20/1999-i440BX-8671-2A69KC39C-00	6BSA
10/17/1998-i440BX-ITE867-2A69KC39C-00	6BSV
07/14/1998-i440BX-ITE867-2A69KC39C-00	6BTA
12/17/1999-i440BX-ITE867-2A69KC39C-00	6BTA2
12/28/1999-i440BX-8671-2A69KC39C-00	6BTA3
05/05/2000-i440BX-W977TF-2A69KC39C-00	6BTM
01/12/2000-i440BX-ITE867-2A69KC39C-00	6BTML
07/23/1999-i440BX-W977TF-2A69KC39C-00	6BTS
04/13/1999-i440BX-ITE867-2A69KC39C-00	6BPV
04/26/1999-SiS-5600-8661-2A6ILC39C-00	6SSA2 (PCB: Rev C)
05/18/1999-693-596-8671-2A6LGC3AC-00	6VTA2
2C4I8C30	486SLB
2C4I9C31-00	4SLE
2C4X2C31-00
2C4X6C30-00
2C4X6C32-16
11/04/1999-i810-W83627HF-6A69MC3DC-00	6WSV2
07/24/2000-i810-W83627HF-6A69MC3DC-00	6WIV2
04/12/2000-8371-686A-TA6LKC0CC-00	7ATA
05/09/2000-8371-686A-TA6LKC0CC-00	7ATA

Award BIOS motherboard IDs with custom syntax

07/27/2005-K8T800-8237-SV7L0810C-00	SK8T800-000LD or SK8T800-000LE

AMI BIOS motherboard IDs (more info)

30-0200-DF1128-00101111-070791-SISAUTO-F
40-0006-DE1128-00101111-121291-UMCAUTO-f
40-0400-ZZ1128-00101111-050591-ET/486H-F	EBC433

• http://www.chaintech.com.tw/
• http://www.chaintech.dk/
• ftp://ftp.chaintech.com.tw/bios/