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  1. Below you can download the latest Winco 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 Winco 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 Winco bios update after signup with the eSupport BIOSAgentPlus service.

Winco BIOS Updates

Manufacturer - Model Chipset BIOS ID Full BIOS ID Download BIOS
Winco ALi IV+ M1531/M1543 (aka 2A5KIW59 Download BIOS
Winco VIA Apollo VP1 (VT82C580V 2A5LAW5A Download BIOS
Winco VIA VPX (aka VXPro+) 2A5LDW5H Download BIOS
Winco Intel 430TX 2A59IW5B Download BIOS
Winco VIA VPX (aka VXPro+) 2A5LDW5A Download BIOS
Winco VIA VPX (aka VXPro+) 2A5LDW5D Download BIOS
Winco Intel 430VX 2A59GW59 Download BIOS
Winco Intel 440FX 2A69HW59 Download BIOS
Winco VIA VPX (aka VXPro+) 2A5LDW5G Download BIOS
Winco VIA Apollo VP1 (VT82C580V 2A5LAW59 Download BIOS
Winco Intel 430TX 2A59IW5A Download BIOS
Winco VIA VPX (aka VXPro+) 2A5LDW59 Download BIOS
Winco Intel 430TX 2A59IW5D Download BIOS
Winco VIA VPX (aka VXPro+) 2A5LDW5C Download BIOS
Winco VIA VPX (aka VXPro+) 2A5LDW5F Download BIOS
Winco Intel 430VX 2A59GW5B Download BIOS
Winco Intel 440LX/EX 2A69JW5A Download BIOS
Winco VIA Apollo (M)VP3 2A5LEW5A Download BIOS
Winco Intel 430TX 2A59IW59 Download BIOS
Winco VIA Apollo VP1 (VT82C580V 2A5LAW5B Download BIOS
Winco Intel 430TX 2A59IW5C Download BIOS
Winco VIA VPX (aka VXPro+) 2A5LDW5B Download BIOS
Winco VIA VPX (aka VXPro+) 2A5LDW5E Download BIOS
Winco Intel 430VX 2A59GW5A Download BIOS
Winco Intel 440LX/EX 2A69JW59 Download BIOS
Winco VIA Apollo (M)VP3 2A5LEW59 Download BIOS
Winco W-P55TV2 Intel i430VX 2A59GSLC 11/18/97-i430VX-2A59GSL9C-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 Winco bios update.

Winco Large HDD Support BIOS Updates

Manufacturer - Model BIOS ID OEM ID Max HDD size
Winco W-P55TV2 11/18/97-i430VX-2A59GSL9C-00 11/18/1997 W-P55TV2 REV.C patched for 128GB HDD 128 GB Download BIOS

Need help? Ask your question here!

(Examples: how to update your BIOS, how to identify your motherboard)