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To find your Biostar BIOS upgrade or driver you can do one of the following options:
- Identify your Biostar motherboard model via our Award BIOS or AMI BIOS id's tabs
- Find a(n) Biostar BIOS upgrade or driver via the Links tab on the official site.
- Run the BIOS Agent Plus scan (new!) browser plugin.
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| 2A4X5B03-00
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MB8433/40UUC
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| 2A4X5B08C-00
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MB-8433UUD
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| 2A4X5B0YC-00
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MB-8433/40/50UUC-A
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| 2A597B00-00
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MB-1566TIC_A
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| 2A59CB0C9-00
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MB-8500TEC (PCB: Rev 3)
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| 2A5IDB0BC-00
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MB-8500SAC
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| 03/16/2001-SiS-530-2A5IOB09C-00
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M5SAF
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| 05/17/2000-SiS-530-2A5IOB09C-00
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M5SAF
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| 2A5KBB01C-00
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| 2A5KIB09C-00
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M5ATA
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| 2A5UIB01
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MB-1566PAT-B
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| 2A5UMB01-00
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MB-1590PCT
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| 2A5X7B04-00
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MB-8500UUR-A
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| 2A5X7B0A-00
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MB-8500URC
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| 2A69JB0DC-00
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M6TLC
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| 04/14/1999-i440EX-2A69JB0GC-00
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M6TEA
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| 11/10/1998-i440LX-2A69JB09C-00
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M6TLA
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| 03/09/1999-i440LX-2A69JB0DC-00
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M6TLC
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| 08/11/1998-i440EX-2A69JB0EC-00
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M6TLD
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| 05/24/1999-i440LX-2A69JB0IC-00
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M6TLG
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| 03/18/1999-i440LX-2A69JB0IC-00
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M6TLH
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| 03/15/1999-i440LX-2A69JB0IC-00
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M6TLI
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| 2A69KB0BC-00
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M6TBC
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| 2A69KB0EC-00
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M6TBA
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| 02/23/1999-I440ZX-SMC60X-2A69KB0JC-00
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M6TZA
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| 12/16/1999-I440ZX-SMC60X-2A69KB0JC-00
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M6TZA
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| 02/10/2000-I440ZX-SMC60X-2A69KB0JC-00
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M6TZA
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| 06/16/2000-i440ZX-SMC60X-2A69KB0JC-00
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M6TZA
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| 09/22/1998-i440BX-SMC60X-2A69KB0BC-00
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M6TBC
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| 01/18/1999-693-596-SMC60-2A6LGB0DC-00
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M6VBA
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| 02/23/1999-692-596-8671-2A6LGB09C-00
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M6VBE with 82C692 chipset
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| 03/23/2000-693A-596-8671-2A6LGB09C-00
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M6VBE-A with 82C693A chipset
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| 01/14/2000-693-686A-2A6LGB0FC-00
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M6VCA
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| 07/27/2000-693A-596-8671-2A6LGB09C-00
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M6VBE-A
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| 01/28/2003-nVidia-nForce-6A61BB0BC-00
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M7NCG
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| 09/20/2005-C51MCP51-6A61HB09C-00
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TForce 6100-939
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| 09/20/2005-C51MCP51-6A61HB09C-00
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TForce 6100
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| 12/11/2001-i850-W83627HF-6A69SB09C-00
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M7TTB
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| 11/22/2002-i845GE-8712F-6A69VB0UC-00
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P4TGT
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| 04/18/2003-i845PE-8712F-6A69VB0PC-00
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P4TPT
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| 06/13/2003-i845E-IT8712-6A69VB0BC-00
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P4TPE 800
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| 02/17/2003-i845e-IT8712F-6A69VB0BC-00
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P4TDP Pro
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| 09/19/2002-i845E-W83627H-6A69VB09C-00
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P4TDK
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| 08/08/2002-i845G-W83627H-6A69VB0HC-00
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P4TDH
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| 07/25/2002-i845G-W83627H-6A69VB0GC-00
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P4TDG
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| 08/04/2003-i845GL-8712F-6A69VB0QC-00
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P4TDQ Pro
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| 03/18/2003-i845GL-8712F-6A69VB0QC-00
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P4TDQ
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| 08/23/2002-i845-IT8712F-6A69VB0BC-00
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P4TDP
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| 04/24/2002-i845-W83627HF-6A69VB09C-00
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M7TDE
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| 04/24/2002-i845-W83627HF-6A69VB09C-00
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M7TDF
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| 05/06/2002-i845-W83627HF-6A69VB09C-00
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M7TDA
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| 04/24/2002-i845-W83627HF-6A69VB09C-00
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M7TDB
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| 04/23/2003-SiS-650-6A6IXB0BC-00
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P4SFA
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| 10/30/2002-SiS-650GX-6A6IXB0BC-00
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P4SDL
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| 07/25/2002-SiS-650GX-6A6IXB09C-00
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P4SXQ
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| 02/17/2003-SiS-645DX-6A6IXB0BC-00
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P4SDP
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| 04/19/2002-SiS-650-6A6IXB09C-00
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M7SXG
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| 04/23/2002-SiS-645-6A6IXB08C-00
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M7SXD
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| 04/30/2002-SiS-645-6A6IXB08C-00
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M7SXF
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| 08/17/2000-8371-686A-6A6LKB09C-00
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M7MKB
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| 06/26/2000-8371-686A-6A6LKB09C-00
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M7MKE
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| 04/01/2000-8371-686A-6A6LKB09C-00
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MKE0401F
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| 10/06/2000-8363-686A-6A6LMB09C-00
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M7VKA
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| 05/24/2001-8363-686A-6A6LMB09C-00
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M7VKB
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| 03/19/2002-8363-686A-6A6LMB09C-00
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M7VKD
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| 02/09/2001-8365-686X-6A6LNB0AC-00
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M7VKE
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| 08/29/2003-PT800-8237-6A6LXB0FC-00
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P4VTB
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| 08/29/2003-PT800-8237-6A6LXB0FC-00
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P4VTC
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| 10/16/2002-KT400-8235-6A6LYB09C-00
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M7VIT
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| 09/10/2002-KT400-8235-6A6LYB09C-00
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M7VIK
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| 12/23/1999-AMD-75X-W977-6A6S2B09C-00
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M7MKA
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| 11/01/2001-761-686B-6A6S6B09C-00
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M7MIA
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| 04/25/2003-Springdale-G-6A79AB0BC-00
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P4TSV
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| 05/29/2003-Springdale-P-6A79AB0CC-00
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P4TSE Pro
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| 05/13/2003-Canterwood-6A79BB0BC-00
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P4TCA Pro
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| Award BIOS motherboard IDs with custom syntax |
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| 03/29/2003-P4M266A-8235-6A6LW00HC-00 |
U8668-D V1
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| 08/04/2003-P4M266A-8235-6A6LW00HC-00 |
U8668-D V6
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| 07/04/2003-P4M266A-8235-6A6LW00HC-00 |
U8668-D V4/5
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| 08/11/2003-P4M266A-8235-6A6LW00HC-00 |
U8668-D V7
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| 06/26/2003-P4M266A-8235-6A6LW00HC-00 |
U8668 Grand
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| 01/21/2003-P4X266A-8233-6A6LW00GC-00 |
U8668
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| 04/22/2003-P4M266-8235-6A6LW00HC-00 |
U8668 Pro
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| 08/08/2002-P4X266E-8235-6A6LW00JC-00 |
U8768
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| 08/22/2002-P4X266E-8235-6A6LW00IC-00 |
U8788
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| 07/04/2003-P4X266E-8235-6A6LW00HC-00 |
U8568 Pro
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| 01/14/2003-P4X266E-8235-6A6LW00HC-00 |
U8569
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| 11/22/2002-P4X266A-8233-6A6LW00FC-00 |
U8568
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| 07/25/2003-P4X400-8235-6A6LX00KC-00 |
U8598
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| 40-0100-001223-00101111-040493-UMC491F-H |
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| 40-0100-001223-00101111-040493-UMC491F-U |
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| 40-0100-001223-00101111-111192-B82C3480-H |
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| 51-0000-001224-00111111-101094-T-F |
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| 51-0426-001223-00111111-071595-82430VX-F |
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| 51-1219-001223-00111111-071595-82430VX-F |
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| 51-1224-001223-00111111-071595-82430VX-F |
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| 40-E301-000000-10111111-121593-UMC498-H |
1433 /50UIV
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| 41-A100-001223-00101111-101094-ALI87/89E |
8433AEP
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| 40-P301-001223-00101111-072594-UMC498-H |
MB 1433 /50UIV
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| 30-0200-D61223-0010111-050591-PEAKDM_B-8 |
MB-1333C
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| 30-0100-DG1223-00101111-070791-OPWB3/B-F |
MB-1340PMA-CH
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| 40-P101-001223-00101111-072594-UMC498-H |
MB-1433/40/50UIV (3 VL/4 ISA)
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| 40-0100-001223-00101111-111192-B82C3480-F |
MB-1433/50AEA-P
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| 40-0100-001223-0010111-121291-B82C3480-S |
MB-1433/50AEA-V
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| 40-0100-001223-0010111-121291-B82C3480-F |
MB-1433/50AEA-V
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| 40-0100-001223-00101111-040493-UMC491F-F |
MB-1433/50UCV (PCB: Ver. E)
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| 40-0102-001223-00101111-040493-82C3491A-H |
MB-1433/50UCV-B
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| 40-0100-D61223-00101111-070791-FTDI3486-F |
MB-1433FA (PCB: Rev 1)
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| 40-0100-D61223-00101111-070791-FTDI-F |
MB-1433FA (PCB: Rev 2)
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| 51-0000-001223-00111111-101094-INTEL-FX-F |
MB-8500TAC (PCB: Rev 3)
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| 51-0716-001223-00111111-071595-82439HX-F |
MB-8500TUC
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| 51-0904-001223-00111111-071595-82439HX-F |
MB-8500TUC
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| 51-0904-001223-00111111-071595-82439HX-H |
MB-8500TUC-A (PCB: Rev 2 and 3)
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| 51-0509-01223-00111111-071595-82430VX-F |
MB-8500TVD
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| 51-1210-001223-00111111-071595-82430VX-F |
MB-8500TVD (PCB: Rev A)
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| 51-0512-001223-00111111-071595-82430VX-H |
MB-8500TVG
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| 51-0819-001223-00111111-07159582430VX-H |
MB-8500TVG
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| 51-0222-001223-00111111-071595-82430VX-F |
MB-8500TVX
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| 51-0809-001223-00111111-071595-82430VX-F |
MB-8500TVX
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| 51-1130-001223-00111111-071595-82430VX-F |
MB-8500TVX
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| 51-0607-001223-00111111-071595-82430VX-F |
MB-8500TVX-A (PCB: Rev 2)
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| 51-0618-001223-00111111-071595-82430VX-F |
MB-8500TVX-A
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| 51-0826-001223-00111111-071595-82430VX-F |
MB-8500TVX-A
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| 61-1001-001223-00111111-071595-I82440FX-F |
MB-8600TTX
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| 51-0000-001223-00111111-101094-TRITON-F |
MB8500TAC-A
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- BIOS for 1433-UIV (AMI
BIOS dated 07/25/94) (Note: This board has a flash ROM socket, but it is commonly used for
an EPROM; this means you'll have to check if your board is flashable or not!). (Use with
caution; only use this BIOS if you know that it's right for your board !)
- BIOS for 8500SAC
Notes about MB-1425/33/40/50UCV BIOSs:
They're all based around one basic chipset: the 82c3491 or 82c491. The 3491 is a later version of
the 491.
Now, the part number: MB-1425/33/40/50UCV-A
MB-14 is generic. Means "motherboard" :-)
25/33/40/50 means clock speed. Early boards came with fixed frequency crystal, and the number represented which crystal was fitted. Later boards came with jumper-selectable frequency, thus they had all speeds listed in part numbers. Later still, the speed-list was abbreviated to just 1433/50 for abbreviation purposes only. UCV is the 'real' model number. The -A is the revision.
-A boards support 4x30 pin SIMM only
-B,-C&-D board support 4x30 and 2x72 pin SIMM's, however the manufacturer may fit the bare board with 8x30 pin sockets if he wants to..
-D and later support green fuction (with new k/b controller chip)
-E boards MIGHT support 3.3v CPU series (if manufacturer put the regulator onboard)
So.. basically, -A boards have their own BIOS
-B & -C boards have their own (interchangeable) BIOS
-D & -E boards have their own (interchangeable) BIOS
The -E BIOS 'knows' more CPU's, and the cpu type status displayed onscreen therefore is
accurate with, say, cyrix CPU's, whilst the -D BIOS isn't.
The boards don't support anything higher than intel dx4-100, amd dx4-100, cyrix dx4-100.
there is no support for cyrix 5x86-100/120, amd 5x86-133/160.
The board DOES support intel P24T Pentium Overdrive, however.
Other rules: If board has '491' chipset, do not use bios from '3491' or vice-versa - they're not software-wise the same. usually only -A boards have 491 chip, others have 3491.
Only AMI bios is used, never Award, etc. AMI bios always pre-LBA text mode setup type BIOS, never GUI type, never LBA, never APM.
There are no known 'bugs' in any version of BIOS, only changes to work with hardware
modifications.
Thanks to Craig Hart for this information.
On the MB-8500TAC by "th"
There are at least 6 Revisions. I have two TAC, one Revision 5 and one Revision 6
Biostar itself divides the TAC into two categories: Rev 1-3 and Rev 4-6<:P>
There are only 2 Bios-versions, one for SMC-I/O and one for UMC-I/O.
Later Revs usually support more CPUs. It seems that Rev 1 supports Pentium only whereas
Rev 6 supports AMD K5, Cyrix 6x86 (some), Pentium and Pentium MMX! The SMC boards do only
have the internal mouse-port not the external.
8500TAC Rev. 6 supports split voltage with 2.8V/3.4V. Board Rev 4 and 5 are 2.5V/3.4V.
Wanted BIOSs:
- 1433 /50UIV
- MB-1425/33/40/50UCV rev E
- 8433AEP
- 1433-UIV newer then 07/25/94
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