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

Jamicon BIOS Updates

Manufacturer - Model Chipset BIOS ID Full BIOS ID Download BIOS
Jamicon (Twn) SiS 501/02/03 2A5IAJ21 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 Jamicon bios update.

Jamicon Large HDD Support BIOS Updates

Manufacturer - Model BIOS ID OEM ID Max HDD size
Jamicon KM-642L 09/10/1998-i440LX-2A69J001C-00 Release 19980911-0 128 GB Download BIOS
Jamicon KM-643E-AT 11/16/1998-i440LX-2A69J000C-00 Release 19981116-0 128 GB Download BIOS
Jamicon KM-650B 128KB 02/04/1999-i440BX-19980205C-00 Release 19990205-0 128GB BETA 128 GB Download BIOS

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 1 AMI BIOS IDs listed for Jamicon. Contact us if you have new IDs missing from the list :-)

Jamicon AMI BIOS Identification

AMI BIOS ID Motherboard manufacturer, model, PCB revision
40-000-001453-00101111-121291-sis-eisa-f Jamicon KM-S4-1 (PCB: v1.1)

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