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- You can identify your Chaintech motherboard using the BIOS ID which is displayed on most computers at bootup. Per BIOS vendor (AMI, Award, Phoenix, ...) we have a seperate tab of motherboard BIOS Identifications.
- In the Website Links section we provide official and unofficial links to find free Chaintech BIOS upgrades
Click on the 
for more info about the Chaintech bios update.
Chaintech BIOS Updates
| Manufacturer - Model | Chipset | BIOS ID | Full BIOS ID | More info |
|---|---|---|---|---|
| Chaintech 6WIVL | Intel Whitney 810 | 6A69MC37 | 12/07/1999-I810-PC87366-6A69MC3AC-00 |
|
| Chaintech 6WPV | Intel Whitney 810 | 6A69MC38 | 03/14/2000-I810-ITE8712-6A69MC3BC-00 |
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| Chaintech 6WSV2 | Intel Whitney 810 | 6A69MC31 | 11/04/1999-i810-W83627HF-6A69MC3DF-00 |
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| Chaintech 6WTV2 | Intel Whitney 810 | 6A69MC32 | 12/16/1999-I810-W83627HF-6A69MC3DF-00 |
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| Chaintech 6ZIA | Intel 440BX/GX/ZX | 2A69KC3Y | 05/13/1999-I440ZX-8671-2A69KC39C-00 |
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| Chaintech 7AIA | Via VT8363 (KT133) | 6A6LMC31 | 01/02/2001-8363-686-IA6LMC0CC-00 |
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| Chaintech 7AIA | Via VT8363 (KT133) | 6A6LMC31 | 04/26/2001-8363-686-IA6LMC0DC-00 |
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| Chaintech 7AIA | VIA KT133 (8363+596B/686A | 6A6LMC39 | 04/26/2001-8363-686-IA6LMC0DC-00 |
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| Chaintech 7AIA0 | Via VT8363 (KT133) | 6A6LMC31 | 04/26/2001-8363-686-IA6LMC0DC-00 |
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| Chaintech 7AIA0 | VIA KT133 (8363+596B/686A | 6A6LMC39 | 04/26/2001-8363-686-IA6LMC0DC-00 |
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| Chaintech 7AIA0 | Via VT8363 (KT133) | 6A6LMC31 | 01/02/2001-8363-686-IA6LMC0CC-00 |
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| Chaintech 7AIA5 | Via VT8363 (KT133) | 6A6LMC32 | 04/27/2001-8363-686-IA6LMC5CC-00 |
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| Chaintech 7AIA5E | Via KT133A | 6A6LMC38 | 06/21/2002-8363-686-IA6LMC5CC-00 |
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| Chaintech 7AIV | Via VT8365 (KM133) | 6A6LNC31 | 11/07/2000-8365-686A-IV6LNC0CC-00 |
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| Chaintech 7AIV | VIA KLE133 | 6A6LNC39 | 11/07/2000-8365-686A-IV6LNC0CC-00 |
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| Chaintech 7AIV0 | Via VT8365 (KM133) | 6A6LNC31 | 11/07/2000-8365-686A-IV6LNC0CC-00 |
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| Chaintech 7AIV0 | VIA KLE133 | 6A6LNC39 | 11/07/2000-8365-686A-IV6LNC0CC-00 |
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| Chaintech 7AIV2 | Via VT8363 (KT133) | 6A6LMC33 | 03/05/2001-8363-686A-IV6LMC2CC-00 |
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| Chaintech 7AIV3 | Via VT8363 (KT133) | 6A6LMC34 | 03/05/2001-8363-686A-IV6LMC3CC-00 |
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| Chaintech 7AIV4 | Via VT8365+8231 (KM133) | 6A6LTC21 | 07/18/2001-8365-8231-IV6LTC4CC-00 |
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| Chaintech 7AIV4 | Via VT8365+8231 (KM133) | 6A6LTC3A | 07/18/2001-8365-8231-IV6LTC4CC-00 |
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| Chaintech 7AIV5 | Via VT8365 (KM133) | 6A6LNC32 | 02/16/2001-8365-686A-IV6LNC5CC-00 |
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| Chaintech 7AIV5E | Via VT8365 (KM133) | 6A6LNC32 | 02/16/2001-8365-686A-IV6LNC5CC-00 |
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| Chaintech 7AIVL | Via VT8365+8231 (KM133) | 6A6LTC31 | 06/08/2001-8361-8231-IV6LTC0LC-00 |
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| Chaintech 7AIVL2 | Via VT8365+8231 (KM133) | 6A6LTC32 | 08/13/2001-8361-686A-IV6LNC2LC-00 |
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| Chaintech 7AIVL2-E | VIA KLE133 + VT82C686B | 6A6LNC21 | 08/13/2001-8361-686A-IV6LNC2LC-00 |
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| Chaintech 7AJA | Via VT8363 (KT133) | 6A6LMC3B | 10/24/2001-8363-686A-JA6LMC0CC-00 |
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| Chaintech 7AJA | Via VT8363 (KT133) | 6A6LMC36 | 10/24/2001-8363-686A-JA6LMC0CC-00 |
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| Chaintech 7AJA2 | Via VT8363 (KT133) | 6A6LMC35 | 04/23/2001-8363-686A-JA6LMC2CC-00 |
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| Chaintech 7AJA2 | VIA KT133 (8363+596B/686A | 6A6LMC3A | 04/23/2001-8363-686A-JA6LMC2CC-00 |
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| Chaintech 7AJA2E | Via VT8363 (KT133) | 6A6LMC37 | 09/12/2001-8363-686A-JA6LMC2CC-00 |
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| Chaintech 7AJA2E | VIA KT133 (8363+596B/686A | 6A6LMC3A | 04/23/2001-8363-686A-JA6LMC2CC-00 |
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| Chaintech 7ATA | VIA 8371-686A | 6A6LKC39 | 01/16/2001-8371-686A-TA6LKC0CC-00 |
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| Chaintech 7ATA | VIA 8371-686A | 6A6LKC31 | 01/16/2001-8371-686A-TA6LKC0CC-00 |
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| Chaintech 7ATM | VIA 8371-686A | 6A6LKC31 | 01/16/2001-8371-686A-TA6LKC0CC-00 |
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| Chaintech 7ATM | VIA 8371-686A | 6A6LKC39 | 01/16/2001-8371-686A-TA6LKC0CC-00 |
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| Chaintech 7KDD | AMD 762 + 786 K7 | 6A6S7C31 | 06/25/2004-AMD762-IT8712-DD6S7C0CC-00 |
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| Chaintech 7KJD | Via VT8363 (KT133) | 6A6S5C31 | 09/25/2002-761-8231-JD6S5C0CC-00 |
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| Chaintech 7NIF2 with 4 Channel Audio | NVIDIA nForce2 SPP + MCP- | 6A61BC32 | 01/24/2005-NVIDIA-NFORCE-IF61BC2CC-00 |
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| Chaintech 7NIF2 with 6 Channel Audio | NVIDIA nForce2 SPP + MCP- | 6A61BC31 | 01/24/2005-nVidia-nForce-IF61BC2CC-00 |
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| Chaintech 7NIL1 | NVIDIA nForce2 SPP + MCP- | 6A61BC34 | 07/21/2004-nVidia-nForce-IL61BC1CC-00 |
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| Chaintech 7NIL1 | NVIDIA nForce2 SPP + MCP- | 6A61BC34 | 11/12/2003-nVidia-nForce-IL61BC2CC |
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| Chaintech 7NIL2 | NVIDIA nForce2 SPP + MCP- | 6A61BC37 | 09/15/2003-NVIDIA-NFORCE-IL61BC2CC-00 |
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| Chaintech 7NJL1 APOGEE | NVIDIA nForce2 SPP + MCP- | 6A61BC33 | 08/13/2004-nVIDIA-nForce-JS61BC0CC-0 |
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| Chaintech 7NJL3 | NVIDIA nForce2 SPP + MCP- | 6A61BC35 | 05/09/2003-NVIDIA-NFORCE-JL61BC3CC-00 |
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| Chaintech 7NJL4 | NVIDIA nForce2 SPP + MCP- | 6A61BC35 | 05/09/2003-NVIDIA-NFORCE-JL61BC3CC-00 |
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| Chaintech 7NJL6 | NVIDIA nForce2 SPP + MCP- | 6A61BC38 | 08/04/2004-NVIDIA-NFORCE-JL61BC6CC-00 |
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| Chaintech 7NJL6 | Nvidia nForce2+MCP2 | 6A61BC3H | 08/04/2004-NVIDIA-NFORCE-JL61BC6CC-00 |
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| Chaintech 7NJS Ultra Zenith | NVIDIA nForce2 SPP + MCP- | 6A61BC21 | 08/13/2004-NVIDIA-NFORCE-JS61BC0CC-00 |
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| Chaintech 7NJS Zenith | NVIDIA nForce2 SPP + MCP- | 6A61BC21 | 08/13/2004-NVIDIA-NFORCE-JS61BC0CC-00 |
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| Chaintech 7SID0 | SiS 735 | 6A6IUC31 | 02/07/2002-SIS-735-ID6IUC0CC-00 |
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| Chaintech 7VIA1 | Via VT8366 (KT266) | 6A6LVC33 | 05/24/2004-VT8366-8233/5-IA6LVC1CC-00 |
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| Chaintech 7VIF3 | Via VT8366 (KT266) | 6A6LVC37 | 07/25/2003-KM266-8233-IF6LVC3CC-00 |
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| Chaintech 7VIF4 w | Via VT8366 (KT266) | 6A6LVC38 | 11/29/2004-KM400-8235-IF6LVC4CC-00 |
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| Chaintech 7VIF4 w | Via VT8366 (KT266) | 6A6LVC3Y | 11/29/2004-KM400-8235-IF6LVC4CC-00 |
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| Chaintech 7VIL1 | Via VT8366 (KT266) | 6A6LVC33 | 05/24/2004-VT8366-8233/5-IA6LVC1CC-00 |
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| Chaintech 7VIL3 | Via VT8366 (KT266) | 6A6LVC34 | 05/07/2003-KT266-8235-JL6LVC3CC-00 |
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| Chaintech 7VIL3-D | Via VT8366 (KT266) | 6A6LVC34 | 05/07/2003-KT266-8235-JL6LVC3CC-00 |
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| Chaintech 7VIL4 | Via VT8366 (KT266) | 6A6LVC3Z | 07/28/2004-KT400-8235-JL6LYC4CC-00 |
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| Chaintech 7VJD | Via VT8366 (KT266) | 6A6LVC31 | 03/15/2001-VT8366-8233-JD6LVC0CC-00 |
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| Chaintech 7VJD0 | Via VT8366 (KT266) | 6A6LVC31 | 03/15/2001-VT8366-8233-JD6LVC0CC-00 |
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| Chaintech 7VJD2 | Via VT8366 (KT266) | 6A6LVC32 | 04/11/2001-VT8366-8233-JD6LVC2CC-00 |
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| Chaintech 7VJDA | Via VT8366 (KT266) | 6A6LVC31 | 03/15/2001-VT8366-8233-JD6LVC0CC-00 |
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| Chaintech 7VJL APOGEE | Via VT8366 (KT266) | 6A6LVC35 | 09/23/2003-VT8366-8233/5-JL6LVC0CC-00 |
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| Chaintech 7VJL Deluxe APOGEE | Via KT400 | 6A6LYC31 | 11/09/2004-KT400-8235-JS6LYC0CC-00 |
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| Chaintech 7VJL1 | Via VT8366 (KT266) | 6A6LVC36 | 01/16/2004-VT8366-8233/5-JL6LVC0CC-00 |
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| Chaintech 7VJL5 | Via KT400 | 6A6LYC32 | 08/10/2004-KT400A-8235-JL6LYC5CC-00 |
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| Chaintech 7VJL6 | Via KT400 | 6A6LYC33 | 07/15/2004-KT600-8235-JL6LYC6CC-00 |
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| Chaintech 7VJS | Via KT400 | 6A6LYC31 | 11/09/2004-KT400-8235-JS6LYC0CC-00 |
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| Chaintech 9BIA | Intel 845 | 6A69VC32 | 05/27/2002-I845ITE8712-IA69VC0CC-00 |
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| Chaintech 9BIA4 | Intel 845 | 6A69VC38 | 02/19/2003-I845-ITE8702-IA69VC4CC-00 |
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| Chaintech 9BID | Intel 845 | 6A69VC33 | 06/04/2002-I845ITE8712-ID69VC0CC-00 |
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| Chaintech 9BID1 | Intel 845 | 6A69VC33 | 06/04/2002-I845ITE8712-ID69VC0CC-00 |
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| Chaintech 9BID2 | Intel 845 | 6A69VC3Q | 08/06/2003-I845ITE8712-ID69VF2CC-00 |
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| Chaintech 9BIF2 | Intel 845G | 6A69VC3G | 09/05/2002-I845G-ITE8712-IF69VC2CC-00 |
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| Chaintech 9BIF2 | Intel 845G | 6A69VC31 | 05/10/2002-i845G-ITE8712-IF69VC2CC-00 |
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| Chaintech 9BIF3 | Intel 845G | 6A69VC3Z | 06/03/2002-I845G-ITE8712-IF69VC3CC-00 |
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| Chaintech 9BIL3 | Intel 845G | 6A69VC3Y | 03/18/2003-I845-ITE8702-IL69VC3CC-00 |
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| Chaintech 9BJA | Intel 845 | 6A69VC34 | 05/30/2002-I845ITE8712-JA69VC0CC-0 |
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| Chaintech 9BJA3 | Intel 845 | 6A69VC3X | 02/19/2003-I845-ITE8702-JA69VC3CC-00 |
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| Chaintech 9BJD0 | Intel 845 | 6A69VC35 | 05/30/2002-I845ITE8712-JD69VC0CC-00 |
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| Chaintech 9BJD1 | Intel 845 | 6A69VC3W | 09/30/2002-I845ITE8712-JD69VC0CC-00 |
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| Chaintech 9BJF APOGEE | Intel 845 | 6A69VC3N | 04/25/2002-I845G-ITE8712-JF69VC0CC-00 |
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| Chaintech 9BJF APOGEE | Intel 845 | 6A69VC3M | 04/25/2002-I845G-ITE8712-JF69VC0CC-00 |
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| Chaintech 9BJF2 APOGEE | Intel 845 | 6A69VC37 | 11/01/2002-I845G-ITE8712-JT69VC0CC-00 |
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| Chaintech 9BJL3 | Intel 845 | 6A69VC3V | 03/26/2003-I845-ITE8702-JL69VC3DC-00 |
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| Chaintech 9CJS Zenith | Intel 875P Canterwood | 6A79BC39 | 06/19/2003-875P+ICH5R-JS79BC0CC-00 |
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| Chaintech 9CJS Zenith | Intel 875P Canterwood | 6A79BC31 | 02/25/2004-875P+ICH5R-JS79BC0CC-00 |
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| Chaintech 9EJL1 APOGEE | Intel 845 | 6A69VC3U | 05/27/2003-I845ITE8712-JL69VC1CC-00 |
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| Chaintech 9EJL2 APOGEE | Intel 845 | 6A69VC37 | 11/01/2002-I845G-ITE8712-JT69VC0CC-00 |
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| Chaintech 9EJL4 | Intel 845 | 6A69VC3T | 05/09/2003-I845PE-8702-JL69VE4CC-00 |
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| Chaintech 9EJS1 Zenith | Intel 845 | 6A69VC36 | 05/04/2004-I845G-ITE8712-JT69VC0CC-00 |
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| Chaintech 9LIF3 | Intel 845 | 6A69VC3S | 10/15/2003-I845G-ITE8712-IF69VL3CC-00 |
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| Chaintech 9LIF6 | Intel 845 | 6A69VC3R | 05/19/2003-I845G-ITE8711-IF69VL6CC-00 |
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| Chaintech 9LIF7 | Intel 845 | 6A69VC3R | 05/19/2003-I845G-ITE8711-IF69VL6CC-00 |
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| Chaintech 9LIF8 | Intel 845 | 6A69VC3R | 05/19/2003-I845G-ITE8711-IF69VL6CC-00 |
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| Chaintech 9LIF9 | Intel 845 | 6A69VC3R | 05/19/2003-I845G-ITE8711-IF69VL6CC-00 |
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| Chaintech 9PJL APOGEE | Intel 865 Springdale | 6A79AC31 | 05/12/2003-865-PE-JL79AC0CC-00 |
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| Chaintech 9PJL1 | Intel 865 Springdale | 6A79AC31 | 05/12/2003-865-PE-JL79AC0CC-00 |
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| Chaintech 9PJL2 APOGEE Silver | Intel 865 Springdale | 6A79AC32 | 11/05/2003-865PE-ICH5-JL79AC2CC-00 |
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| Chaintech 9PJL3 | Intel 865 Springdale | 6A79AC33 | 09/08/2003-865PE-ICH5-JL79AC3CC-00 |
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| Chaintech 9SIF7 | SiS 645 + SiS 961 | 6A6IXC32 | 10/07/2003-SIS-650-IF6IXC7CC-00 |
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| Chaintech 9SIF8 | SiS 645 + SiS 961 | 6A6IXC34 | 10/31/2003-SIS-651-IF6IXC8CC-00 |
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| Chaintech 9SIL7 | SiS 645 + SiS 961 | 6A6IXC35 | 10/31/2003-SIS-645-IL6IXC7CC-00 |
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| Chaintech 9SJD0 | SiS 645 + SiS 961 | 6A6IXC21 | 05/16/2002-SIS-645-JD6IXC0CC-00 |
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| Chaintech 9SLF1 | SiS 645 + SiS 961 | 6A6IXC36 | 12/30/2004-SIS-651-LF6IXC1CC-00 |
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| Chaintech 9VIF (ES-675M) Rev. C+E | VIA P4X266 | 6A6LWC31 | 10/15/2002-P4M266-8233-IF6LWC0CC-00 |
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| Chaintech 9VIF (ES-675M) Rev. D | VIA P4X266 | 6A6LWC32 | 10/15/2002-P4M266-8233-IF6LWC0CC-00 |
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| Chaintech 9VIF1 (ES676M) w | VIA P4X266 | 6A6LWC33 | 06/29/2004-P4M266-8235-IF6LWC1CC-00 |
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| Chaintech 9VIF1 (ES676M) w | VIA P4X266 | 6A6LWC34 | 06/29/2004-P4M266-8235-IF6LWC1CC-00 |
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| Chaintech 9VIL3 | VIA P4X400 | 6A6LXC31 | 04/15/2003-P4X400-VT8235-IL6LXC3CC-00 |
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| Chaintech 9VJL2 | VIA P4X400 | 6A6LXC32 | 12/10/2002-P4X400-8233/5-JL6LXC2CC-00 |
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| Chaintech 9VJL3 | VIA P4X400 | 6A6LXC33 | 09/22/2003-P4X400-VT8235-JL6LXC3DC-00 |
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| Chaintech 9VJL5 | VIA PT800 | 6A7L2C31 | 05/19/2004-PT800-8237-JL6LXC5CC |
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| Chaintech A | VIA 694X/686A | 6A6LJC31 | 02/25/2000-694X-686A-TA6LJC4DC |
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| Chaintech A | VIA 694X/686A | 6A6LJC31 | 05/14/2001-694X-686A-036LJC39C-00 |
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| Chaintech Audio Chips 9739A | Via VT8366 (KT266) | 6A6LVC38 | 11/29/2004-KM400-8235-IF6LVC4CC-00 |
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| Chaintech Audio Chips 9761A | Via VT8366 (KT266) | 6A6LVC3Y | 11/29/2004-KM400-8235-IF6LVC4CC-00 |
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| Chaintech Chaintech | UMC 8881E/8886B | 2A4X5C31 |
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| Chaintech Cmedia Audio | VIA K8T400/K8T800 | 6A7L0C31 | 07/27/2005-K8T800-8237-SV7L0810C-00 |
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| Chaintech CT-5AGM | VIA Apollo (M)VP3 | 2A5LEC31 | 08/03/1998-VP3-586B-8661-2A5LEC39C-00 |
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| Chaintech CT-5AGM2 | VIA Apollo (M)VP3 | 2A5LEC3A |
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| Chaintech CT-5AGM2 | VIA Apollo (M)VP3 | 2A5LEC32 | 11/02/1999-MVP3-586-8661-2A5LEC39C-00 |
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| Chaintech CT-5AGM3 | VIA Apollo (M)VP3 | 2A5LEC33 | 03/02/2000-MVP3-586-8661-2A5LEC39C-00 |
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| Chaintech CT-5ATA | VIA Apollo (M)VP3 | 2A5LEC3B | 08/10/1999-MVP3-686-2A5LEC39C-00 |
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| Chaintech CT-5ATA | VIA Apollo (M)VP3 | 2A5LEC34 | 10/15/1999-MVP3-686-2A5LEC39C-00 |
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| Chaintech CT-6BDA | Intel 440BX/GX/ZX | 2A69KC31 | 05/05/1999-I440BX-W977EF-2A69KC39C-00 |
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| Chaintech CT-6BDU | Intel 440BX/GX/ZX | 2A69KC32 | 06/23/1999-I440BX-W977TF-2A69KC39C-00 |
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| Chaintech CT-6BDU M101 | Intel 440BX/GX/ZX | 2A69KC3B | 06/23/1999-I440BX-W977TF-2A69KC39C |
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| Chaintech CT-6BPV | Intel 440BX/GX/ZX | 2A69KC33 | 04/13/1999-I440BX-ITE867-2A69KC39C-00 |
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| Chaintech CT-6BSA | Intel 440BX/GX/ZX | 2A69KC34 | 12/20/1999-I440BX-8671-2A69KC39C-00 |
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| Chaintech CT-6BSV | Intel 440BX/GX/ZX | 2A69KC35 | 10/17/1998-I440BX-ITE867-2A69KC39C-00 |
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| Chaintech CT-6BTA3 | Intel 440BX/GX/ZX | 2A69KC38 | 12/28/1999-I440BX-8671-2A69KC39C-00 |
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| Chaintech CT-6BTM | Intel 440BX/GX/ZX | 2A69KC3P | 08/17/2000-I440BX-W977TF-2A69KC39C-00 |
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| Chaintech CT-6BTML | Intel 440BX/GX/ZX | 2A69KC3Q | 01/12/2000-I440BX-ITE867-2A69KC39C-00 |
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| Chaintech ES-676B | VIA 82C3128 | 6A6LWC36 | 06/03/2002-P4X266-8233-JD6LWC2DC-00 |
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| Chaintech F+G | VIA P4X266 | 6A6LWC32 | 10/15/2002-P4M266-8233-IF6LWC0CC-00 |
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| Chaintech I651U | SiS 645 + SiS 961 | 6A6IXC36 | 12/30/2004-SIS-651-LF6IXC1CC-00 |
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| Chaintech LAN | VIA P4X266 | 6A6LWC33 | 06/29/2004-P4M266-8235-IF6LWC1CC-00 |
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| Chaintech M845GV | Intel 845 | 6A69VC3P | 12/22/2004-I845G-ITE8711-IF69VL6CC-00 |
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| Chaintech MK8M800 | VIA K8T400/K8T800 | 6A7L0C33 | 11/02/2004-K8M800-8237-MV7L0820C-00 |
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| Chaintech MK8T800 | VIA K8M800 | 6A7L1C31 | 01/04/2005-K8T800-8237-MV7L1810C-00 |
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| Chaintech MK8T890 | VIA K8T890+8237R | 6A7L5C31 | 05/18/2005-K8T890-8237R-MV7L5840C-00 |
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| Chaintech Model: 5IFM Rev. M101 | Intel 430HX | 2A59FC39 | 2A59FC39C-00 |
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| Chaintech Model: 6BTM | Intel 440BX/GX/ZX | 2A69KC3A | 2A69KC3AC-00 |
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| Chaintech Monorail cali5ss7 | ALi Aladdin V | 2A5KKC39 | 11/18/1998-ALADDIN5-2A5KKC39C |
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| Chaintech MP4M266A | VIA P4X266 | 6A6LWC35 | 12/24/2004-P4M266-8235-MV6LWP20C-00 |
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| Chaintech MPM800 | VIA PT800 | 6A7L2C32 | 12/27/2004-PM800-8235-MV7L2P60C-00 |
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| Chaintech MPM800-3 | VIA PT800 | 6A7L2C35 | 03/22/2005-PM800-8237-MV7L2P61C-00 |
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| Chaintech MPT800 | VIA PT800 | 6A7L2C33 | 12/27/2004-PT800-8235-MV7L2P50C-00 |
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| Chaintech MS7112 | VIA Apollo Pro Plus (692/ | 2A6LGC31 | 06/30/2000-693-596-W977E-MS7112CC-00 |
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| Chaintech MS7127 | VIA Apollo Pro Plus (692/ | 6A6LGC31 | 12/07/2000-693A-686-MS7127CC-00 |
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| Chaintech o LAN | VIA P4X266 | 6A6LWC34 | 06/29/2004-P4M266-8235-IF6LWC1CC-00 |
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| Chaintech PIII-160A | VIA 694X/686A | 6A6LJC31 | 02/25/2000-694X-686A-TA6LJC4DC |
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| Chaintech PIII-160A | VIA 694X/686A | 6A6LJC31 | 05/14/2001-694X-686A-036LJC39C-00 |
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| Chaintech S1689 | ALI 1687+1563 | 6A7K0C31 | 08/01/2005-K8/M1689D-SU7K0810C-00 |
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| Chaintech S845PE | Intel 845 | 6A69VC3O | 12/31/2004-I845PE-8702-JL69VE4CC-00 |
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| Chaintech S848P | Intel 865 Springdale | 6A79AC34 | 12/27/2004-848P-ICH5-SI79A8P0C-00 |
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| Chaintech S865PE | Intel 865 Springdale | 6A79AC35 | 12/27/2004-865PE-ICH5-SI79A620C-00 |
|
| Chaintech SK8T800 w | VIA K8T400/K8T800 | 6A7L0C32 | 07/27/2005-K8T800-8237-SV7L0810C-00 |
|
| Chaintech SK8T800 w | VIA K8T400/K8T800 | 6A7L0C31 | 07/27/2005-K8T800-8237-SV7L0810C-00 |
|
| Chaintech SK8T800-000LF | VIA K8T400/K8T800 | 6A7L0C34 | 08/08/2005-K8T800-8237-SV7L1811C-00 |
|
| Chaintech SK8T800-000LG | VIA K8T400/K8T800 | 6A7L0C34 | 08/08/2005-K8T800-8237-SV7L1811C-00 |
|
| Chaintech SKT600 | Via KT400 | 6A6LYC34 | 11/29/2004-KT600-8237-SV6LY780C-00 |
|
| Chaintech SPT800 | VIA PT800 | 6A7L2C34 | 03/29/2005-PT800-8237-SV7L2P50C-00 |
|
| Chaintech SPT800-2 | VIA PT800 | 6A7L2C36 | 12/31/2004-PT800-8237-SV7L2P50C-00 |
|
| Chaintech VIA Audio | VIA K8T400/K8T800 | 6A7L0C32 | 07/27/2005-K8T800-8237-SV7L0810C-00 |
|
| Chaintech VNF3-250 | Nvidia nForce3 CK8+MCP2 | 6A61CC33 | 03/21/2005-NFORCE3-VN61C120C-00 |
|
| Chaintech VNF3-250 | Nvidia nForce3 | 6A61CC3C | 03/21/2005-NFORCE3-VN61C120C-00 |
|
| Chaintech VNF4 | Nvidia nForce4 CK804 | 6A61FC31 | 06/03/2005-NF-CK804-VN61F210C-00 |
|
| Chaintech VNF4 Ultra ZENITH VE | Nvidia nForce4 CK804 | 6A61FC31 | 06/03/2005-NF-CK804-VN61F210C-00 |
|
| Chaintech ZNF3-150 Zenith | Nvidia nForce3 CK8+MCP2 | 6A61CC31 | 03/15/2004-NFORCE-ZN61CC0CC-00 |
|
| Chaintech ZNF3-250 | Nvidia nForce3 CK8+MCP2 | 6A61CC32 | 05/20/2005-nForce3-ZN61C120C-00 |
|
| Chaintech for Matsonic MS7070SD | Intel 440BX/GX/ZX | 2A69KC3V | 05/05/1999-I440BX-W977EF-2A69KC39C-00 |
|
| Chaintech for Matsonic MS7070SD | Intel 440BX/GX/ZX | 2A69KC3M | 05/05/1999-I440BX-W977EF-2A69KC39C-00 |
|
| Chaintech for Matsonic MS7070SD | Intel 440BX/GX/ZX | 6Z69KC3B | 05/05/1999-I440BX-W977EF-2A69KC39C-00 |
|
| Chaintech for MATSONIC MS8107C | Via VT8371 (KX133) | 6A6LKC01 | 01/16/2001-8371-686A-TA6LKC0CC-00 |
|
| Chaintech for Matsonic MS8117C | VIA 8363-686A (KT 133) | 6A6LMH01 | 03/14/2001-8363-686A-JA6LMC0CC-00 |
|
| Chaintech for Promise 6BTR | Intel 440BX/GX/ZX | 2A69KC3W | 02/26/1999-I440BX-W977EF-2A69KC39C-00 |
|
| Chaintech for Promise 6BTR | Intel 440BX/GX/ZX | 6Z69KC3D | 02/26/1999-I440BX-W977EF-2A69KC39C-00 |
|
| Chaintech for Promise FT440BX | Intel 440BX/GX/ZX | 6Z69KC3D | 02/26/1999-I440BX-W977EF-2A69KC39C-00 |
|
| Chaintech for Promise FT440BX | Intel 440BX/GX/ZX | 2A69KC3W | 02/26/1999-I440BX-W977EF-2A69KC39C-00 |
|
The below BIOSes are patched / modded to fix the 32GB or 64GB bug that is present in older Award BIOS Based BIOSes.
The 32GB bug in Award BIOS prevents many users from using HDD larger than 32GB as the BIOS hangs at detection. The 64GB bug manifests itself as a hang at the configuration table.
Click on the to download the requested Chaintech bios update.
Chaintech Large HDD Support BIOS Updates
| Manufacturer - Model | BIOS ID | OEM ID | Max HDD size | |
|---|---|---|---|---|
| Chaintech 5AGM2 | 11/02/1999-MVP3-586-8661-2A5LEC39C-00 | 11/02/1999 | 128 GB |
|
| Chaintech 5IFM1 | 10/08/97-i430HX-8669C-2A59FC39C-00 | 10/08/1997 patched for 128GB HDD by Wim's BIOS team | 128 GB |
|
| Chaintech 5RSA0 | 12/11/1998-ALADDIN5-2A5KKC39C-00 | 12/11/1998 128GB BETA 5RSA0 | 128 GB |
|
| Chaintech 5TTM1 | 04/13/98-i430TX-W83977TF-2A59IC3AC-00 | 04/13/1998 | 128 GB |
|
| Chaintech 5VLM0 | 12/03/97-i430VX-8680-2A59GC39C-00 | 12/03/1997 5VLM0 128GB BETA | 128 GB |
|
| Chaintech 6BTS | 07/23/1999-i440BX-W977TF-2A69KC39C-00 | 07/23/1999 | 128 GB |
|
| Chaintech 6ESA2 | 06/04/1999-i440EX-8671-2A69JC39C-00 | 6/04/1999 | 128 GB |
|
| Chaintech 6ESV | 04/12/1999-i440EX-8661-2A69JC39C-00 | 4/12/1999 | 128 GB |
|
| Chaintech 6LTL | 03/31/1999-i440LX-8679-2A69JC39C-00 | 03/31/1999 128GB support patch wimsbios | 128 GB |
|
| Chaintech 6LTM2 | 07/20/1999-i440LX-8671-2A69JC39C-00 | 07/20/1999 | 128 GB |
|
| Chaintech 6LTS | 09/25/1998-i440LX-W977-2A69JC39C-00 | 09/25/1998 | 64 GB |
|
| Chaintech 6SSA2 | 04/26/1999-SiS-5600-8661-2A6ILC39C-00 | 04/26/1999 6SSA2 128GB HDD beta | 128 GB |
|
Award BIOS IDs are used to identify motherboards with an Award BIOS. For more information visit our Award BIOS ID information page.
At this moment we have 66 Award BIOS IDs listed for Chaintech. Contact us if you have new IDs missing from the list :-)
Chaintech Award BIOS Identification
| Award BIOS ID | Motherboard manufacturer, model, PCB revision |
|---|---|
| 2A496C30-00 | Chaintech 486ICP |
| 2A4IBC32-B3 | Chaintech |
| 2A4IBC31-01 | Chaintech |
| 2A4IBC32C-00 | Chaintech 486SPM (PCB: M1.02) |
| 2A4IBC31-B2 | Chaintech |
| 2A4IBC3IC-00 | Chaintech 486SPM |
| 2A4IBC32-B2 | Chaintech 486SPM |
| 2A4X5C31-00 | Chaintech |
| 2A597C31-00 | Chaintech |
| 2A59CC39 | Chaintech |
| 2A59CC3AC-00 | Chaintech 586IEM, 586IEM0 or 586IEM0.1 |
| 2A59CC39C-01 | Chaintech 5IDM2 (PCB: M105) |
| 2A59CC3B | Chaintech 5IEM |
| 2A59CC31 | Chaintech |
| 2A59CC3BC | Chaintech 5IEM |
| 2A59CC3A | Chaintech 586IEM |
| 2A59FC3AC-00 | Chaintech 5HTM (PCB: M101) |
| 2A59FC39C-00 | Chaintech 5IFM |
| 2A59GC39 | Chaintech |
| 03/27/97-i430vx-8680-2A59GC39C-00 | Chaintech 5VLM0 |
| 2A59GC39C | Chaintech 5VGM or 5IFM or 5IGM |
| 2A5IAC31-00 | Chaintech |
| 2A5IAC36-00 | Chaintech |
| 2A5ICC39-01 | Chaintech 5SBM2 |
| 2A5IDC3A | Chaintech 5SEM |
| 2A5IDC39C-00 | Chaintech 5SEM (PCB: M102) |
| 2A5IDC3AC-00 | Chaintech 586SEM |
| 2A5IDC3CC-00 | Chaintech |
| 2A5IDC39 | Chaintech |
| 06/02/1998 MVP3-586-8661-2A5LEC39C-00 | Chaintech 5AGM2 |
| 2A5X7C31-00 | Chaintech 5UBM |
| 2A69HC3DC-00 | Chaintech 6FTM |
| xx/xx/xxxx-i440LX-8679-2A69JC39C-00 | Chaintech 6LTL |
| xx/xx/xxxx-i440EX-8671-2A69JC39C-00 | Chaintech 6ESA / 6ESA2 |
| xx/xx/xxxx-i440LX-W977-2A69JC39C-00 | Chaintech 6LTM |
| xx/xx/xxxx-i440EX-8661-2A69JC39C-00 | Chaintech 6ESV |
| xx/xx/xxxx-i440LX-8671-2A69JC39C-00 | Chaintech 6LTM2 |
| xx/xx/xxxx-i440LX-8673-2A69JC39C-00 | Chaintech 6LIA |
| xx/xx/xxxx-i440LX-W977-2A69JC39C-00 | Chaintech 6LTS |
| 01/12/2000-i440BX-ITE867-2A69KC39C-00 | Chaintech 6BTML |
| 12/17/1999-i440BX-ITE867-2A69KC39C-00 | Chaintech 6BTA2 |
| 12/20/1999-i440BX-8671-2A69KC39C-00 | Chaintech 6BSA |
| 07/23/1999-i440BX-W977TF-2A69KC39C-00 | Chaintech 6BTS |
| 12/28/1999-i440BX-8671-2A69KC39C-00 | Chaintech 6BTA3 |
| 10/17/1998-i440BX-ITE867-2A69KC39C-00 | Chaintech 6BSV |
| 05/05/1999-i440BX-W977EF-2A69KC39C-00 | Chaintech 6BDA |
| 04/13/1999-i440BX-ITE867-2A69KC39C-00 | Chaintech 6BPV |
| 05/05/2000-i440BX-W977TF-2A69KC39C-00 | Chaintech 6BTM |
| 07/14/1998-i440BX-ITE867-2A69KC39C-00 | Chaintech 6BTA |
| 06/23/1999-i440BX-W977TF-2A69KC39C-00 | Chaintech 6BDU |
| 04/26/1999-SiS-5600-8661-2A6ILC39C-00 | Chaintech 6SSA2 (PCB: Rev C) |
| 10/13/1998-692-596-8671-2A6LGC3AC-00 | Chaintech 6ASV0-D100N |
| 05/18/1999-693-596-8671-2A6LGC3AC-00 | Chaintech 6VTA2 |
| 2C4I8C30 | Chaintech 486SLB |
| 2C4I9C31-00 | Chaintech 4SLE |
| 2C4X2C31-00 | Chaintech |
| 2C4X6C30-00 | Chaintech |
| 2C4X6C32-16 | Chaintech |
| 07/24/2000-i810-W83627HF-6A69MC3DC-00 | Chaintech 6WIV2 |
| 11/04/1999-i810-W83627HF-6A69MC3DC-00 | Chaintech 6WSV2 |
| 05/14/2001-694X-686A-IA6LJC5CC-00 | Chaintech 7AIA5 |
| 03/08/2001-694X-686A-IA6LJC5CC-00 | Chaintech 7AIA5 |
| 01/17/2002-SiS-645-IL6IXC2CC-00 | Chaintech 9SIL2 |
| 04/12/2000-8371-686A-TA6LKC0CC-00 | Chaintech 7ATA |
| 05/09/2000-8371-686A-TA6LKC0CC-00 | Chaintech 7ATA |
| 07/27/2005-K8T800-8237-SV7L0810C-00 | Chaintech SK8T800-000LD or SK8T800-000LE |
AMI BIOS IDs are used to identify motherboards with an AMI BIOS. For more information visit our AMI BIOS ID information page.
At this moment we have 3 AMI BIOS IDs listed for Chaintech. Contact us if you have new IDs missing from the list :-)
Chaintech AMI BIOS Identification
| AMI BIOS ID | Motherboard manufacturer, model, PCB revision |
|---|---|
| 30-0200-DF1128-00101111-070791-SISAUTO-F | Chaintech |
| 40-0006-DE1128-00101111-121291-UMCAUTO-f | Chaintech |
| 40-0400-ZZ1128-00101111-050591-ET/486H-F | Chaintech EBC433 |
Here is a list of official and unofficial sites where you can find and download Chaintech BIOS updates for free.
Need help? Ask your question here!
(Examples: how to update your BIOS, how to identify your motherboard)
About
My name is Wim Bervoets and I'm the founder of Wim's BIOS Page. The history of this site goes back to 1996 when I was taking my first steps on the internet. Gradually the site grew to what it is now - an authority site about BIOS update information - with an active forum.
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