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

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

Award BIOS motherboard IDs (more info)

2A431D09C-00	Dataexpert DataExpert OEM Cyrix Media GX-200mhz - Cyrix Chipset 5510
07/01/1998-GXm-Cx5520-2A433D09C-00	Dataexpert MGX7520
03/08/96-i430FX-2A59CD0AC-00	Dataexpert EXP8551
01/27/97-i430HX-2A59FD09C-00	Dataexpert EXP8561
08/19/1998-i430VX-2A59GD0CC-00	Dataexpert EXP8J61
12/17/96-i430VX-2A59GD0GC-00	Dataexpert ATX8661
01/20/97-i430VX-2A59GD0GC-00	Dataexpert ATX8661
03/18/97-i430VX-2A59GD09C-00	Dataexpert EXP8661
12/23/96-i430VX-2A59GD0BC-00	Dataexpert EXP8661
03/31/97-i430TX-ALI513x-2A59ID09C-00	Dataexpert ATX430
07/24/1998-ALADDIN5-2A5KKD09C-00	Dataexpert MAL7542
09/22/1998-MVP3-586B-W87-2A5LED0AC-00	Dataexpert
12/24/96-i440FX-W877-2A69HD0AC-00	Dataexpert AFX440A
09/03/96-i440FX-2A69HD09C-00	Dataexpert EXP8P61
08/24/1998-i440EX-W977TF-2A69JD0AC-00	Dataexpert MEXm440
08/14/1998-i440LX-W977TF-2A69JD0CC-00	Dataexpert MLXm440
11/18/1998-i440LX-W977TF-2A69JD0DC-00	Dataexpert MLXs440
08/04/1998-i440BX-W977TF-2A69KD0CC-00	Dataexpert MBX8440-0S
09/22/1998-i440BX-W977TF-2A69KD0AC-00	Dataexpert MBX8440
10/19/1998-691-586B-W977-2A6LFD0AC-00	Dataexpert MVP8691
10/15/1998-692-596-W977-2A6LGD09C-00	Dataexpert MVP8692
2C4J6D01-00	Dataexpert EXP4045
2C4K9D01-00	Dataexpert EXP4049
2C4UKD01	Dataexpert EXP4044VL

AMI BIOS motherboard IDs (more info)

40-0400-001107-00101111-111192-V4800VLX-F	Dataexpert
40-0000-D01107-00101111-013193-CAESAR-F	Dataexpert EXP3409 (PCB: Rev. 1)
41-P1A3-001107-00101111-072594-ALI39/45-U	Dataexpert EXP8049
41-C100-001107-00101111-101094-ALI87/89-E	Dataexpert EXP8449
41-C100-001107-00101111-101094-ALI87/89-E	Dataexpert EXP8449
51-0000-001107-00111111-101094-INTEL-FX-F	Dataexpert EXP8551
51-0000-001107-00111111-101094-TRITON-0	Dataexpert EXP8551
51-0000-001107-00111111-101094-TRITON-F	Dataexpert EXP8551
51-0000-001107-00111111-101094-TRITON-H	Dataexpert EXP8551
51-0611-001107-00111111-071595-82430FX-AMIBIOS	Dataexpert EXP8551S
51-0615-001107-00111111-071595-82430VX-AMIBIOS	Dataexpert EXP8661S
41-C100-001107-00101111-101094-ALI87/89-U	Dataexpert EXP8C49
51-0711-001107-00111111-071595-I430TX-001_10_TX	Dataexpert KTX430
51-0717-001107-00111100-071595-I430TX	Dataexpert KTX430
40-0101-001107-00001111-060692-OPWB4SXB-F	Dataexpert MB-495SX
40-0101-001107-00001111-060692-OPWB4SXWB-F	Dataexpert MB-495SX
40-0101-001107-00001111-060692-OPWB4SXB-H	Dataexpert SX495
51-0828-001107-00111111-071595-I430TX-001_10_TX	Dataexpert TX430
51-0304-001107-00111111-071595-M1531/43-001_10_Aladdin4	Dataexpert TX531

• http://www.zdnet.de/treiber/man_prod/dataexpert_mainboard-bios-wc.html
• http://exp8551.mypage.org