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

CMC BIOS Updates

Manufacturer - Model Chipset BIOS ID Full BIOS ID Download BIOS
CMC ALi M1487/1489 2A4KDC49 Download BIOS
CMC SiS 5596/5597 2A5IFC49 Download BIOS
CMC Intel 440FX 2A69HC49 Download BIOS
CMC SiS 630 6A6IRC4B 6A6IRC4BC-00 Download BIOS
CMC SiS 496/497 2A4IBC4H Download BIOS
CMC SiS 5501/02/03 2A5ICC41 Download BIOS
CMC SiS 5511/12/13 2A5IDC4A Download BIOS
CMC SiS 5582/5597/5598 2A5IIC4A Download BIOS
CMC Intel 430HX 2A59FC4A Download BIOS
CMC SiS 630 6A6IRC4A 6A6IRC4AC-00 Download BIOS
CMC SiS 496/497 2A4IBC41 Download BIOS
CMC SiS 550+RISC CPU 6A5IVC49 6A5IVC49C-00 Download BIOS
CMC SiS 5511/12/13 2A5IDC49 Download BIOS
CMC SiS 5582/5597/5598 2A5IIC49 Download BIOS
CMC Intel 430HX 2A59FC49 Download BIOS
CMC SiS 630 6A6IRC49 6A6IRC49C-00 Download BIOS
CMC Intel 440FX 2A69HC4A Download BIOS
CMC SiS 630 6A6IRC4C 6A6IRC4CC-00 Download BIOS
CMC SiS 501/02/03 2A5IAC41 Download BIOS
CMC SiS 5501/02/03 2A5ICC49 Download BIOS
CMC SiS 5511/12/13 2A5IDC4B 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 1 Award BIOS IDs listed for CMC. Contact us if you have new IDs missing from the list :-)

CMC Award BIOS Identification

Award BIOS ID Motherboard manufacturer, model, PCB revision
10/14/96-i430HX-669-2A59FC4AC-00 CMC C55PI+

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

CMC AMI BIOS Identification

AMI BIOS ID Motherboard manufacturer, model, PCB revision
51-0918-001608-00111111-101094-SiS551x-H CMC ???
51-0926-001608-00111111-071595-82439HX-H CMC ???
51-6517-001608-00111111-101094-SiS551x CMC C55AIO
51-7901-001608-00111111-101094-SiS551x CMC C55PI
51-0825-001608-00111111-071595-82439HX-000_10_T2 CMC C55PI+
51-0506-001608-00111111-071595-82439HX-000_10_T2 CMC C55PI+
51-0506-001608-00111111-071595-82439HX-000_10_T2 CMC C55PIPATX
51-0825-001608-00111111-071595-82439HX-000_10_T2 CMC C55PIPATX
61-0813-001291-00111111-071595-i82440FX-A3F15F770FL CMC C6PI
61-0728-001608-00111111-071595-I440FX-002_07_CHIPSET CMC D6PIATX
51-1014-001608-00111111-071595-i430TX-001_10_TX CMC X5PI+

Need help? Ask your question here!

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