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  1. Below you can download the latest Chaintech bios upgrade for your motherboard after signup with the eSupport BIOSAgentPlus service.
  2. You can identify your 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.
  3. In the Website Links section we provide official and unofficial links to find free Chaintech BIOS upgrades
Check For the Latest BIOS Updates

BIOSAgentPlus safely checks to see if a newer BIOS is available for your computer and provides instant access to your detailed BIOS and driver report.

Click on the Download arrow to download the requested Chaintech bios update after signup with the eSupport BIOSAgentPlus service.

Chaintech BIOS Updates

Manufacturer - Model Chipset BIOS ID Full BIOS ID Download BIOS
Chaintech Intel 810 Whitney 6A69MC3G 6A69MC3GC-00 Download BIOS
Chaintech SiS 501/02/03 2A5IAC35 Download BIOS
Chaintech Intel 430VX 2A59GC3A Download BIOS
Chaintech SiS 630 6A6IRC39 Download BIOS
Chaintech VIA P4X266 6A6LWC3A 6A6LWC3AC-00 Download BIOS
Chaintech 6A434C39 6A434C39C-00 Download BIOS
Chaintech Nvidia nForce2+MCP2 6A61BC3E 6A61BC3EC-00 Download BIOS
Chaintech UMC 82C891/892/886 2A5X7C31 Download BIOS
Chaintech AMD 761+ VIA8231 6A6S5C3A 6A6S5C3AC-00 Download BIOS
Chaintech SiS 5591 2A5IKC39 Download BIOS
Chaintech VIA KT400+8235 6A6LYC3C 6A6LYC3CC-00 Download BIOS
Chaintech Intel 865/848 SpringDale 6A79AC3A 6A79AC3AC-00 Download BIOS
Chaintech SIS 648/655 6A7I0C39 6A7I0C39C-00 Download BIOS
Chaintech VIA PRO266 (8633+8233) 6A6LUC3B 6A6LUC3BC-00 Download BIOS
Chaintech 6A7L5C39 6A7L5C39C-00 Download BIOS
Chaintech Intel Neptune 2A59AC31 Download BIOS
Chaintech SiS 496/497 2A4IBC32 Download BIOS
Chaintech Intel 430FX 2A59CC3D Download BIOS
Chaintech Intel 440FX 2A69HC3C Download BIOS
Chaintech Intel 810 Whitney 6A69MC3Z 6A69MC3ZC-00 Download BIOS
Chaintech Intel 815 Solano 6A69RC3A 6A69RC3AC-00 Download BIOS
Chaintech SiS 530 2A5IMC39 2A5IMC39C-00 Download BIOS
Chaintech VIA KT266/KM266/KT333 6A6LVC39 6A6LVC39C-00 Download BIOS
Chaintech Intel 430VX 2A59GC3Z 2A59GC39 Download BIOS
Chaintech VIA P4X333/400 6A6LXC3A 6A6LXC3AC-00 Download BIOS
Chaintech 6A6LXC3D 6A6LXC3DC-00 Download BIOS
Chaintech Intel i845 6A69VC3A 6A69VC3AC-00 Download BIOS
Chaintech AMD 762+768 6A6S7C39 6A6S7C39C-00 Download BIOS
Chaintech VIA Apollo Pro Plus (692/ 2A6LGC3A Download BIOS
Chaintech Intel 875 Canterwood 6A79BC3B 6A79BC3BC-00 Download BIOS
Chaintech SiS 735 6A6IUC39 6A6IUC39C-00 Download BIOS
Chaintech ALi 1429G/1435 2A4KAC31 Download BIOS
Chaintech Intel Whitney 810 6A69MC39 Download BIOS
Chaintech Intel 430TX 2A59IC39 2A59IC3AC-00 CS W977 SIO Download BIOS
Chaintech SiS 5600 2A6ILC3A Download BIOS
Chaintech Intel Camino 820 2A69LC39 Download BIOS
Chaintech SiS 740 6A6IZC39 6A6IZC39C-00 Download BIOS
Chaintech Intel Whitney 810 6A69MC3C Download BIOS
Chaintech SiS 501/02/03 2A5IAC31 2A5IAC31C-00 Download BIOS
Chaintech Intel 440LX/EX 2A69JC39 ITE 8679 2A69JC39C-00 Download BIOS
Chaintech Intel 820 Camino 6A69LC3C 6A69LC3CC-00 Download BIOS
Chaintech SiS 5501/02/03 2A5ICC31 Download BIOS
Chaintech VIA KT266/KM266/KT333 6A6LVC3D 6A6LVC3DC-00 Download BIOS
Chaintech 6A7L1C3B 6A7L1C3BC-00 Download BIOS
Chaintech Intel i845 6A69VC3D 6A69VC3DC-00 Download BIOS
Chaintech VIA 694X/686A 2A6LJC39 Download BIOS
Chaintech SiS 5511/12/13 2A5IDC39 2A5IDC39C-00 Download BIOS
Chaintech VIA 8601+8231 6A6LOC39 6A6LOC39C-00 Download BIOS
Chaintech VIA K8M800 6A7L1C39 6A7L1C39C-00 Download BIOS
Chaintech 6A7L2C3B 6A7L2C3BC-00 Download BIOS
Chaintech Intel i845 6A69VC3H 6A69VC3HC-00 Download BIOS
Chaintech Nvidia Crush C18+MCP2 6A61BC3A 6A61BC3AC-00 Download BIOS
Chaintech i925 Alderwood 6A79FC39 6A79FC39C-00 Download BIOS
Chaintech VIA P4X266 6A6LWC39 6A6LWC39C-00 Download BIOS
Chaintech Intel 440FX 2A69HC3B Download BIOS
Chaintech SiS645/650 6A6IXC3D 6A6IXC3DC-00 Download BIOS
Chaintech AMD 761+ VIA8231 6A6S5C39 6A6S5C39C-00 Download BIOS
Chaintech Intel Whitney 810 6A69MC3F Download BIOS
Chaintech Nvidia nForce2+MCP2 6A61BC3D 6A61BC3DC-00 Download BIOS
Chaintech SiS 501/02/03 2A5IAC34 Download BIOS
Chaintech Intel 430VX 2A59GC39 2A59GC39 Download BIOS
Chaintech SiS 5511/12/13 2A5IDC3B Download BIOS
Chaintech SiS 645/650/651 6A6IXC39 6A6IXC39C-00 Download BIOS
Chaintech VIA PM133 (8605+596B/686A 6A6LLC39 6A6LLC39C-00 Download BIOS
Chaintech 6A7L2C3E 6A7L2C3EC-00 Download BIOS
Chaintech Intel i845 6A69VC3K 6A69VC3KC-00 Download BIOS
Chaintech nVidia nForce 6A61AC39 6A61AC39C-00 Download BIOS
Chaintech Nvidia NForce4 6A61FC3A 6A61FC3AC-00 Download BIOS
Chaintech SiS 5582/5597/5598 2A5IIC39 Download BIOS
Chaintech VIA KT400+8235 6A6LYC3B 6A6LYC3BC-00 Download BIOS
Chaintech Intel 865/848 SpringDale 6A79AC39 6A79AC39C-00 Download BIOS
Chaintech SiS 645/650/651 6A6IXC3C 6A6IXC3CC-00 Download BIOS
Chaintech VIA PRO266 (8633+8233) 6A6LUC3A 6A6LUC3AC-00 Download BIOS
Chaintech 6A7L4C3A 6A7L4C3AC-00 Download BIOS
Chaintech Intel Mercury 2A59BC32 Download BIOS
Chaintech SiS 496/497 2A4IBC31 Download BIOS
Chaintech Intel 430FX 2A59CC3C Download BIOS
Chaintech Intel 440FX 2A69HC3E Download BIOS
Chaintech Intel 810 Whitney 6A69MC3I 6A69MC3IC-00 Download BIOS
Chaintech SiS 501/02/03 2A5IAC39 Download BIOS
Chaintech Intel 430VX 2A59GC3C Download BIOS
Chaintech VIA P4X333/400 6A6LXC39 6A6LXC39C-00 Download BIOS
Chaintech 6A6LXC3C 6A6LXC3CC-00 Download BIOS
Chaintech Intel i845 6A69VC39 6A69VC39C-00 Download BIOS
Chaintech Nvidia nForce2+MCP2 6A61BC3G 6A61BC3GC-00 Download BIOS
Chaintech UMC 82C891/892/886 2A5X7C38 Download BIOS
Chaintech VIA Apollo Pro Plus (692/ 2A6LGC39 Download BIOS
Chaintech Intel 875 Canterwood 6A79BC3A 6A79BC3AC-00 Download BIOS
Chaintech SiS 730 6A6ISC39 6A6ISC39C-00 Download BIOS
Chaintech Intel Whitney 810 2A69MC39 Download BIOS
Chaintech SiS 496/497 2A4IBC3H Download BIOS
Chaintech Intel 430HX 2A59FC3A Download BIOS
Chaintech Intel 440LX/EX 2A69JC3B Download BIOS
Chaintech Intel 820 Camino 6A69LC3B 6A69LC3BC-00 Download BIOS
Chaintech SiS 540 6A5IQC39 Download BIOS
Chaintech VIA KT266/KM266/KT333 6A6LVC3B 6A6LVC3BC-00 Download BIOS
Chaintech SiS 630 6A6IRC3C 6A6IRC3CC-00 Download BIOS
Chaintech 6A7L1C3A 6A7L1C3AC-00 Download BIOS
Chaintech Intel i845 6A69VC3C 6A69VC3CC-00 Download BIOS
Chaintech Nvidia nForce3 6A61CC3B 6A61CC3BC-00 Download BIOS
Chaintech Cyrix GXm Cx5530 2A434C39 Download BIOS
Chaintech VIA Apollo Pro Plus (692/ 6A6LGC3A Download BIOS
Chaintech SiS 740 6A6IYC39 6A6IYC39C-00 Download BIOS
Chaintech Intel Whitney 810 6A69MC3B 12/16/1999-i810-ite8712-6A69MC3BC-00 Download BIOS
Chaintech SiS 496/497 2A4IBC3K Download BIOS
Chaintech Intel 430TX 2A59IC39 Download BIOS
Chaintech Intel 440FX 2A69HC3A Download BIOS
Chaintech Intel Camino 820 6A69LC3A Download BIOS
Chaintech SIS M652 6A7I6C39 6A7I6C39C-00 Download BIOS
Chaintech VIA PT880 6A7L2C39 6A7L2C39C-00 Download BIOS
Chaintech ALi Aladdin V 2A5KKC3B Download BIOS
Chaintech Intel Whitney 810 6A69MC3E Download BIOS
Chaintech SiS 501/02/03 2A5IAC33 Download BIOS
Chaintech Intel 430TX 2A59IC3B Download BIOS
Chaintech SiS 5501/02/03 2A5ICC3A Download BIOS
Chaintech VIA Apollo VP4 2A5LHC3A Download BIOS
Chaintech 6A7L2C3A 6A7L2C3AC-00 Download BIOS
Chaintech Intel i845 6A69VC3F 6A69VC3FC-00 Download BIOS
Chaintech Nvidia Crush C18+MCP2 6A61BC39 6A61BC39C-00 Download BIOS
Chaintech i915 Grandstale 6A79DC39 6A79DC39C-00 Download BIOS
Chaintech SiS 5511/12/13 2A5IDC3A Download BIOS
Chaintech VIA Apollo (M)VP3 2A5LEC39 11/02/1999-MVP3-586-8661-2A5LEC39C-00 Download BIOS
Chaintech VIA K8T400/K8T800 6A7L0C3A 6A7L0C3AC-00 Download BIOS
Chaintech VIA PLE133T (8601+ 686) 6A6LIC39 6A6LIC39C-00 Download BIOS
Chaintech 6A7L2C3D 6A7L2C3DC-00 Download BIOS
Chaintech Intel i845 6A69VC3J 6A69VC3JC-00 Download BIOS
Chaintech Nvidia Crush C18+MCP2 6A61BC3C 6A61BC3CC-00 Download BIOS
Chaintech Nvidia NForce4 6A61FC39 6A61FC39C-00 Download BIOS
Chaintech Intel 430FX 2A59CC32 Download BIOS
Chaintech SiS 5582/5597/5598 2A5IIC31 Download BIOS
Chaintech VIA KT400+8235 6A6LYC3A 6A6LYC3AC-00 Download BIOS
Chaintech SiS 645/650/651 6A6IXC3B 6A6IXC3BC-00 Download BIOS
Chaintech 6A7L4C39 6A7L4C39C-00 Download BIOS
Chaintech Intel Mercury 2A59BC31 Download BIOS
Chaintech Intel 430FX 2A59CC3B 2A59CC3BC-00 Download BIOS
Chaintech Intel 440FX 2A69HC3D Download BIOS
Chaintech Intel 810 Whitney 6A69MC3H 6A69MC3HC-00 Download BIOS
Chaintech SiS 501/02/03 2A5IAC36 06/14/95-SiS-501-503-2A5IAC36C-01 Download BIOS
Chaintech Intel 430VX 2A59GC3B 2A59GC3BC-00 Download BIOS
Chaintech SiS 630 6A6IRC3A Download BIOS
Chaintech 6A437C39 6A437C39C-00 Download BIOS
Chaintech Intel E7500 Plumas 6A69WC39 6A69WC39C-00 Download BIOS
Chaintech Nvidia nForce2+MCP2 6A61BC3F 6A61BC3FC-00 Download BIOS
Chaintech UMC 82C891/892/886 2A5X7C32 Download BIOS
Chaintech AMD 761+ VIA8231 6A6S5C3B 6A6S5C3BC-00 Download BIOS
Chaintech SiS 5596/5597 2A5IFC39 Download BIOS
Chaintech VIA KT400+8235 6A6LYC3D 6A6LYC3DC-00 Download BIOS
Chaintech Intel 440BX/GX/ZX 2A69KC3D 2A69KC39C-00 Download BIOS
Chaintech Intel 865/848 SpringDale 6A79AC3B 6A79AC3BC-00 Download BIOS
Chaintech SIS 660/661/648 6A7I4C39 6A7I4C39C-00 Download BIOS
Chaintech VIA PRO266 (8633+8233) 6A6LUC3Z 6A6LUC3ZC-00 Download BIOS
Chaintech i845 Brookdale 6A69VC3L 6A69VC3LC-00 Download BIOS
Chaintech Intel Neptune 2A59AC39 Download BIOS
Chaintech SiS 496/497 2A4IBC33 Download BIOS
Chaintech Intel 440LX/EX 2A69JC3A 2A69JC3AC-00 Download BIOS
Chaintech SiS 530 2A5IMC3A 2A5IMC3AC-00 Download BIOS
Chaintech VIA 694X/694T 6A6LJC3C 6A6LJC3CC-00 Download BIOS
Chaintech VIA KT266/KM266/KT333 6A6LVC3A 6A6LVC3AC-00 Download BIOS
Chaintech SiS 630 6A6IRC3B 6A6IRC3BC-00 Download BIOS
Chaintech VIA P4X333/400 6A6LXC3B 6A6LXC3BC-00 Download BIOS
Chaintech 6A7K4C39 6A7K4C39C-00 Download BIOS
Chaintech Intel i845 6A69VC3B 6A69VC3BC-00 Download BIOS
Chaintech Nvidia nForce3 6A61CC3A 6A61CC3AC-00 Download BIOS
Chaintech ATI 9100IGP (RS300) 6A664C39 6A664C39C-00 Download BIOS
Chaintech VIA Apollo Pro Plus (692/ 6A6LGC39 Download BIOS
Chaintech ALi 1631+1535D 6A6KOC39 6A6KOC39C-00 Download BIOS
Chaintech Intel Whitney 810 6A69MC3A 11/30/2000-I810-PC87366-6A69MC3AC Download BIOS
Chaintech SiS 496/497 2A4IBC3J Download BIOS
Chaintech Intel 430TX 2A59IC39 Download BIOS
Chaintech SiS 5600 2A6ILC3B Download BIOS
Chaintech VIA KM133 (8365+8231) 6A6LTC39 6A6LTC39C-00 Download BIOS
Chaintech Intel 440FX 2A69HC39 2A69HC39C-00 Download BIOS
Chaintech Intel Camino 820 6A69LC39 Download BIOS
Chaintech SiS 740 6A6IZC3A 6A6IZC3AC-00 Download BIOS
Chaintech ALi Aladdin V 2A5KKC3A Download BIOS
Chaintech Intel Whitney 810 6A69MC3D 07/24/2000-I810-W83627HF-6A69MC3DC Download BIOS
Chaintech SiS 501/02/03 2A5IAC32 Download BIOS
Chaintech SiS 5501/02/03 2A5ICC39 Download BIOS
Chaintech VIA Apollo VP4 2A5LHC39 Download BIOS
Chaintech VIA KT266/KM266/KT333 6A6LVC3E 6A6LVC3EC-00 Download BIOS
Chaintech Intel 440BX/GX/ZX 2A69KC39 -I440BX-SMC67X-2A69KC39C-00 Download BIOS
Chaintech 6A7L1C3C 6A7L1C3CC-00 Download BIOS
Chaintech Intel i845 6A69VC3E 6A69VC3EC-00 Download BIOS
Chaintech Nvidia nForce3 CK8+MCP2 6A61CC39 6A61CC39C-00 Download BIOS
Chaintech VIA 694X/686A 6A6LJC3A Download BIOS
Chaintech i865/848 Springdale 6A79AC3C 6A79AC3CC-00 Download BIOS
Chaintech SiS 5511/12/13 2A5IDC3A 04/18/96-SiS-5511-5513-2A5IDC3AC-00 Download BIOS
Chaintech 6A7L2C3C 6A7L2C3CC-00 Download BIOS
Chaintech Intel i845 6A69VC3I 6A69VC3IC-00 Download BIOS
Chaintech Nvidia Crush C18+MCP2 6A61BC3B 6A61BC3BC-00 Download BIOS
Chaintech Intel 430FX 2A59CC31 TRITON-2A59CC31-06 Download BIOS
Chaintech SiS 5511/12/13 2A5IDC3C sis-5511-5513-2a5idc3cc-00 Download BIOS
Chaintech VIA KT400+8235 6A6LYC39 6A6LYC39C-00 Download BIOS
Chaintech SiS 645/650/651 6A6IXC3A 6A6IXC3AC-00 Download BIOS
Chaintech VIA PM133 (8605+596B/686A 6A6LLC3A 6A6LLC3AC-00 Download BIOS
Chaintech 6A7L3C39 6A7L3C39C-00 Download BIOS
Chaintech Intel Mercury 2A597C31 Download BIOS
Chaintech nVidia nForce 6A61AC3A 6A61AC3AC-00 Download BIOS
Chaintech Intel 430FX 2A59CC3A Download BIOS
Chaintech 486SPM SiS 496/497 2A4IBC3I 2A4IBC3IC-00 Download BIOS
Chaintech 5IDM M103 Intel 430FX 2A59CC39 2A59CC39C-00 Download BIOS
Chaintech 5TTM-M201 Intel 430TX 2A59IC3A 04/13/98-i430TX-W83977TF-2A59IC3AC-00 Download BIOS
Chaintech 5TTM-M201 Intel 430TX 2A59IC3A 2A59IC3AC-00 CS ITE 8680 SIO Download BIOS
Chaintech 6AFV VIA PLE133 (8601 + 8233) 6A6LOC31 08/27/2001-601-8231-FV6LOC0DC-00 Download BIOS
Chaintech 6AIA0 VIA Apollo Pro Plus (692/ 2A6LGC35 05/20/1999-692-596-8671-2A6LGC39C-00 Download BIOS
Chaintech 6AIA2 VIA Apollo Pro Plus (692/ 2A6LGC36 10/26/1999-692-596-8671-2A6LGC39C-00 Download BIOS
Chaintech 6AIA4 VIA 694X/686A 6A6LJC39 10/27/2000-694X-686A-6A6LJC39C-00 Download BIOS
Chaintech 6AIA4 VIA 694X/686A 6A6LJC32 10/27/2000-694X-686A-6A6LJC39C-00 Download BIOS
Chaintech 6AIV VIA PLE133 (8601 + 8233) 6A6LOC32 09/20/2001-601-8231-IV6LOC0CC-00 Download BIOS
Chaintech 6AIV2T VIA PLE133 (8601 + 8233) 6A6LIC31 03/12/2002-601-686A-IV6LIC2DC-00 Download BIOS
Chaintech 6AIV5 VIA 8605 (PM133) 6A6LLC31 04/23/2001-8605-686A-IV6LLC5CC-00 Download BIOS
Chaintech 6AJA4 VIA 694X/686A 6A6LJC33 05/17/2001-694X-686A-JR6LJC4DC-00 Download BIOS
Chaintech 6AJA4 VIA 694X/694T 6A6LJC3B 05/17/2001-694X-686A-JR6LJC4DC-00 Download BIOS
Chaintech 6AJA4T VIA 694X/686A 6A6LJC37 03/23/2000-694X-686A-JA6LJC4CC Download BIOS
Chaintech 6AJA4T VIA 694X/686A 6A6LJC37 11/22/2001-694T-686A-JR6LJC4TC-00 Download BIOS
Chaintech 6AJM2 VIA 693 6A6LGC32 12/01/2000-693-596-8693-JM6LGC2CC-00 Download BIOS
Chaintech 6AJM4 VIA 694X/694T 6A6LJC3B 05/17/2001-694X-686A-JR6LJC4DC-00 Download BIOS
Chaintech 6AJM4 VIA 694X/686A 6A6LJC33 05/17/2001-694X-686A-JR6LJC4DC-00 Download BIOS
Chaintech 6AJR4 VIA 694X/694T 6A6LJC3B 05/17/2001-694X-686A-JR6LJC4DC-00 Download BIOS
Chaintech 6AJR4 VIA 694X/686A 6A6LJC33 05/17/2001-694X-686A-JR6LJC4DC-00 Download BIOS
Chaintech 6ASA0 VIA Apollo Pro Plus (692/ 2A6LGC32 12/07/1999-692-596-8671-2A6LGC39C-00 Download BIOS
Chaintech 6ASA4 VIA 694X/686A 2A6LJC31 12/03/1999-694X-686A-2A6LJC31C-00 Download BIOS
Chaintech 6ASV0 VIA Apollo Pro Plus (692/ 2A6LGC33 10/13/1999-692-596-8671-2A6LGC39C-00 Download BIOS
Chaintech 6ATA2 VIA Apollo Pro Plus (692/ 2A6LGC34 12/04/2000-693-686-2A6LGC39C-00 Download BIOS
Chaintech 6ATA4 VIA 694X/686A 6A6LJC3D 05/14/2001-694X-686A-036LJC39C-00 Download BIOS
Chaintech 6ATA4 VIA 694X/686A 6A6LJC31 02/25/2000-694X-686A-TA6LJC4DC Download BIOS
Chaintech 6ATA4 VIA 694X/686A 6A6LJC31 05/14/2001-694X-686A-036LJC39C-00 Download BIOS
Chaintech 6BDU M101 Intel 440BX/GX/ZX 6Z69KC3C 06/23/1999-I440BX-W977TF-2A69KC39C Download BIOS
Chaintech 6BJM Intel 440BX/GX/ZX 2A69KC3Z 05/05/2000-I440BX-ITE8693-JM69KC0CC-00 Download BIOS
Chaintech 6BTA Intel 440BX/GX/ZX 2A69KC36 07/14/1998-I440BX-ITE867-2A69KC39C-00 Download BIOS
Chaintech 6BTA2 Intel 440BX/GX/ZX 2A69KC37 12/17/1999-I440BX-ITE867-2A69KC39C-00 Download BIOS
Chaintech 6BTM Intel 440BX/GX/ZX 6Z69KC3A 2A69KC3AC-00 Download BIOS
Chaintech 6BTS Intel 440BX/GX/ZX 2A69KC3R 07/23/1999-I440BX-W977TF-2A69KC39C-00 Download BIOS
Chaintech 6CJA1 Intel Camino 820 6A69LC32 04/24/2000-I820-W83627-JR69LC1CC-00 Download BIOS
Chaintech 6CTA2 Intel Camino 820 6A69LC31 01/25/2000-i820-W83627HF-TA69LC2CC-00 Download BIOS
Chaintech 6EPA2 Intel 440LX/EX 2A69JC31 03/19/1999-I440EX-8671-2A69JC39C-00 Download BIOS
Chaintech 6ESA [1MB] Intel 440LX/EX 2A69JC33 06/21/99-I440EX-8671-2A69JC39C-00 Download BIOS
Chaintech 6ESA [2MB] Intel 440LX/EX 2A69JC32 06/09/1998-i440EX-8661-2A69JC39C-00 Download BIOS
Chaintech 6ESA2 Intel 440LX/EX 2A69JC34 08/27/1999-I440EX-8671-2A69JC39C-00 Download BIOS
Chaintech 6ESV Intel 440LX/EX 2A69JC35 04/12/1999-I440EX-8661-2A69JC39C-00 Download BIOS
Chaintech 6LIA Intel 440LX/EX 2A69JC3Z 05/15/2001-I440LX-8673-2A69JC39C-00 Download BIOS
Chaintech 6LTL Intel 440LX/EX 2A69JC36 03/31/1999-i440LX-8679-2A69JC39C-00 Download BIOS
Chaintech 6LTM Intel 440LX/EX 2A69JC37 11/22/2000-I440LX-W977-2A69JC39C-00 Download BIOS
Chaintech 6LTM2 Intel 440LX/EX 2A69JC38 07/20/1999-I440LX-8671-2A69JC39C-00 Download BIOS
Chaintech 6LTS Intel 440LX/EX 2A69JC3S 09/25/1998-i440LX-W977-2A69JC39C-00 Download BIOS
Chaintech 6OIA3T Intel 815 Solano 6A69RC36 09/13/2001-I815-47B27X-IA69RT3CC-00 Download BIOS
Chaintech 6OIV Intel 815 Solano 6A69RC31 10/06/2000-i815-47B27X-IV69RC0AC-00 Download BIOS
Chaintech 6OIV2 Intel 815 Solano 6A69RC32 03/28/2001-I815-47B27X-IV69RC2FC-00 Download BIOS
Chaintech 6OIV2 Intel 815 Solano 6A69RC32 03/05/2001-I815-47B27X-IV69RC2CC Download BIOS
Chaintech 6OJA3T Intel 815 Solano 6A69RC38 09/13/2001-I815-47B27X-JA69RT3CC-00 Download BIOS
Chaintech 6OJV Intel 815 Solano 6A69RC34 09/05/2000-I815-47B27X-JV69RC0AC-00 Download BIOS
Chaintech 6OJV2 i815 6A69RC39 08/07/2000-I815-47B27X-JV69RC2CC-00 Download BIOS
Chaintech 6OJV2 Intel 815 Solano 6A69RC37 08/07/2000-I815-47B27X-JV69RC2CC-00 Download BIOS
Chaintech 6OJV2-G Intel 815 Solano 6A69RC35 07/28/2001-I815-47B27X-JV69RC2GC-00 Download BIOS
Chaintech 6OJV2-G100A Intel 815 Solano 6A69RC35 07/28/2001-I815-47B27X-JV69RC2GC-00 Download BIOS
Chaintech 6OJV2-G200C Intel 815 Solano 6A69RC35 07/28/2001-I815-47B27X-JV69RC2GC-00 Download BIOS
Chaintech 6SFV SiS 630 6A6IRC31 02/16/2001-SiS-630-FV6IRC1CC-00 Download BIOS
Chaintech 6SFV2 SiS 630 6A6IRC32 11/24/2000-SIS-630-FV6IRC0CC-00 Download BIOS
Chaintech 6SSA2 SiS 5600 2A6ILC39 04/26/1999-SIS-5600-8661-2A6ILC39C-00 Download BIOS
Chaintech 6SSA2 SiS 5600 2A6ILC31 06/04/1999-SiS-5600-8661-2A6ILC3AC-00 Download BIOS
Chaintech 6SSA2 SiS 5600 2A6ILC39 06/04/1999-SIS-5600-8661-2A6ILC3AC-00 Download BIOS
Chaintech 6SSA2-C100A SiS 5600 2A6ILC39 04/26/1999-SIS-5600-8661-2A6ILC39C-00 Download BIOS
Chaintech 6SSA2-C100A SiS 5600 2A6ILC32 04/26/1999-SIS-5600-8661-2A6ILC39C-00 Download BIOS
Chaintech 6SSA2-C100A SiS 5600 2A6ILC39 06/04/1999-SIS-5600-8661-2A6ILC3AC-00 Download BIOS
Chaintech 6VIA3 VIA 693 6A6LGC33 08/01/2000-693-596-8673-IA6LGC3CC-00 Download BIOS
Chaintech 6VIA4 VIA 694X/686A 6A6LJC34 09/25/2000-694X-686A-IA6LJC4CC-00 Download BIOS
Chaintech 6VIA5 VIA 694X/686A 6A6LJC35 12/21/2000-694X-686A-IA6LJC5CC-00 Download BIOS
Chaintech 6VIA5T VIA 694X/686A 6A6LJC38 10/31/2001-694T-686A-IA6LJC5CC-00 Download BIOS
Chaintech 6VIA6 VIA 694X/686A 6A6LJC36 03/09/2000-694X-686A-IA6LJC6CC-00 Download BIOS
Chaintech 6VJD Via VT8633 (Pro266) 6A6LUC31 06/28/2001-VT8633-8233-JD6LUC0CC-00 Download BIOS
Chaintech 6VJD VIA PRO266 (8633+8233) 6A6LUC39 06/28/2001-VT8633-8233-JD6LUC0CC-00 Download BIOS
Chaintech 6VJD2 Via VT8633 (Pro266) 6A6LUC32 03/20/2001-VT8633-8233-JD6LUC2CC-00 Download BIOS
Chaintech 6VTA2 VIA Apollo Pro Plus (692/ 2A6LGC3B 06/02/2000-693-596-8671-2A6LGC3AC Download BIOS
Chaintech 6VTA2 VIA Apollo Pro Plus (692/ 6A6LGC3B 2A6LGC3BC-00 Download BIOS
Chaintech 6VTA2 VIA Apollo Pro Plus (692/ 2A6LGC3B 2A6LGC3BC-00 Download BIOS
Chaintech 6VTA3 VIA Apollo Pro Plus (692/ 2A6LGC37 07/03/2000-693-596-8671-2A6LGC3FC-00 Download BIOS
Chaintech 6WEX0 Intel Whitney 810 6A69MC33 11/04/1999-I810-W83627HF-6A69MC3DC-00 Download BIOS
Chaintech 6WIV0 Intel Whitney 810 6A69MC34 10/27/2000-I810-PC87366-6A69MC3AC-00 Download BIOS
Chaintech 6WIV1 Intel Whitney 810 6A69MC35 08/01/2000-I810-W83627HF-6A69MCWBC-00 Download BIOS
Chaintech 6WIV2 Intel Whitney 810 6A69MC36 04/10/2001-I810-W83627HF-6A69MC3DC-00 Download BIOS

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 Download arrow 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 Download BIOS
Chaintech 5IFM1 10/08/97-i430HX-8669C-2A59FC39C-00 10/08/1997 patched for 128GB HDD by Wim's BIOS team 128 GB Download BIOS
Chaintech 5RSA0 12/11/1998-ALADDIN5-2A5KKC39C-00 12/11/1998 128GB BETA 5RSA0 128 GB Download BIOS
Chaintech 5TTM1 04/13/98-i430TX-W83977TF-2A59IC3AC-00 04/13/1998 128 GB Download BIOS
Chaintech 5VLM0 12/03/97-i430VX-8680-2A59GC39C-00 12/03/1997 5VLM0 128GB BETA 128 GB Download BIOS
Chaintech 6BTS 07/23/1999-i440BX-W977TF-2A69KC39C-00 07/23/1999 128 GB Download BIOS
Chaintech 6ESA2 06/04/1999-i440EX-8671-2A69JC39C-00 6/04/1999 128 GB Download BIOS
Chaintech 6ESV 04/12/1999-i440EX-8661-2A69JC39C-00 4/12/1999 128 GB Download BIOS
Chaintech 6LTL 03/31/1999-i440LX-8679-2A69JC39C-00 03/31/1999 128GB support patch wimsbios 128 GB Download BIOS
Chaintech 6LTM2 07/20/1999-i440LX-8671-2A69JC39C-00 07/20/1999 128 GB Download BIOS
Chaintech 6LTS 09/25/1998-i440LX-W977-2A69JC39C-00 09/25/1998 64 GB Download BIOS
Chaintech 6SSA2 04/26/1999-SiS-5600-8661-2A6ILC39C-00 04/26/1999 6SSA2 128GB HDD beta 128 GB Download BIOS

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
2A59CC3BC Chaintech 5IEM
2A59CC3A Chaintech 586IEM
2A59CC39 Chaintech
2A59CC3AC-00 Chaintech 586IEM, 586IEM0 or 586IEM0.1
2A59CC39C-01 Chaintech 5IDM2 (PCB: M105)
2A59CC3B Chaintech 5IEM
2A59CC31 Chaintech
2A59FC39C-00 Chaintech 5IFM
2A59FC3AC-00 Chaintech 5HTM (PCB: M101)
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
2A5IDC39 Chaintech
2A5IDC3A Chaintech 5SEM
2A5IDC39C-00 Chaintech 5SEM (PCB: M102)
2A5IDC3AC-00 Chaintech 586SEM
2A5IDC3CC-00 Chaintech
06/02/1998 MVP3-586-8661-2A5LEC39C-00 Chaintech 5AGM2
2A5X7C31-00 Chaintech 5UBM
2A69HC3DC-00 Chaintech 6FTM
xx/xx/xxxx-i440LX-W977-2A69JC39C-00 Chaintech 6LTS
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
06/23/1999-i440BX-W977TF-2A69KC39C-00 Chaintech 6BDU
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
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
11/04/1999-i810-W83627HF-6A69MC3DC-00 Chaintech 6WSV2
07/24/2000-i810-W83627HF-6A69MC3DC-00 Chaintech 6WIV2
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

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