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

Chicony BIOS Updates

Manufacturer - Model Chipset BIOS ID Full BIOS ID Download BIOS
Chicony BANISTER 2A69NC29 Download BIOS
Chicony UMC 82C891/892/886 2A5X7C21 Download BIOS
Chicony SiS 496/497 2A4IBC29 Download BIOS
Chicony UMC UM8886BF/UM8891BF/UM8 2A5X8C2H Download BIOS
Chicony UMC 82C891/892/886 2A5X7C2C Download BIOS
Chicony SiS 501/02/03 2A5IAC22 Download BIOS
Chicony SiS 5511/12/13 2A5IDC2A Download BIOS
Chicony Intel 430FX 2A59CC2H Download BIOS
Chicony UMC 8881E/8886B 2A4X5C21 Download BIOS
Chicony Intel 430TX 2A59IC2A Download BIOS
Chicony SiS 5511/12/13 2A5IDC2D Download BIOS
Chicony Intel 440BX/GX/ZX 2A69KC2C Download BIOS
Chicony UMC 8881E/8886B 2A4X5C2C Download BIOS
Chicony SiS 496/497 2A4IBC21 Download BIOS
Chicony UMC 8881E/8886B 2A4X5C2J Download BIOS
Chicony UMC 82C891/892/886 2A5X7C29 Download BIOS
Chicony SiS 501/02/03 2A5IAC21 Download BIOS
Chicony Via VT8363 (KT133) 6A6LMC2C Download BIOS
Chicony Intel 430FX 2A59CC2G Download BIOS
Chicony UMC 82C891/892/886 2A5X7C2I Download BIOS
Chicony SiS 5511/12/13 2A5IDC29 Download BIOS
Chicony SiS 5511/12/13 2A5IDC2C Download BIOS
Chicony Intel 430TX 2A59IC29 Download BIOS
Chicony UMC 8881E/8886B 2A4X5C23 Download BIOS
Chicony Intel 440BX/GX/ZX 2A69KC2A **No BIOS AVAILABLE** Download BIOS
Chicony UMC 8881E/8886B 2A4X5C2B Download BIOS
Chicony BANISTER 2A69NC2A Download BIOS
Chicony UMC 82C891/892/886 2A5X7C22 Download BIOS
Chicony SiS 496/497 2A4IBC2H Download BIOS
Chicony VIA 694/686 2A6LIC29 Download BIOS
Chicony UMC 82C891/892/886 2A5X7C2H Download BIOS
Chicony SiS 530 2A5IMC29 Download BIOS
Chicony SiS 5511/12/13 2A5IDC2B Download BIOS
Chicony Intel 430HX 2A59FC29 Download BIOS
Chicony UMC 8881E/8886B 2A4X5C22 Download BIOS
Chicony Intel 440BX/GX/ZX 2A69KC29 Download BIOS
Chicony UMC 8881E/8886B 2A4X5C2A Download BIOS
Chicony Intel 440BX/GX/ZX 2A69KC2D Download BIOS
Chicony UMC 8881E/8886B 2A4X5C2D Download BIOS
Chicony Chicony CH-880C UMC 8881E/8886B 2A4X5C2H Download BIOS
Chicony Chicony CH-881A UMC 8881E/8886B 2A4X5C24 Download BIOS
Chicony MP-983 FireStar 2A5UQC29 03/11/1999-FIRESTAR-2A5UQC29C Download BIOS
Chicony MP-983 FireStar 2A5UQC21 09/15/1999-FIRESTAR-2A5UQC29C-00 Download BIOS
Chicony MP993 Intel 440BX/GX/ZX 2A69KC21 10/07/1999-i440BX-SMC869-2A69KC2BC-00 Download BIOS
Chicony NOTEBOOK BIOS FireStar 2A5UQC2A 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 Chicony bios update.

Chicony Large HDD Support BIOS Updates

Manufacturer - Model BIOS ID OEM ID Max HDD size
Chicony MP983 D version only (notebook) 03/11/1999-FireStar-2A5UQC29C-00 V1.43D 128 GB Download BIOS
Chicony MP983 S version only (notebook) 09/15/1999-FireStar-2A5UQC29C-00 V1.46S wimsbios patch 64GB 64 GB Download BIOS
Chicony MP993 (notebook) 10/07/1999-i440BX-SMC869-2A69KC2BC-00 V 1.23 128 GB Download BIOS
Chicony MP995 (notebook) 02/11/2000-BANISTER-2A69NC2AC-00 V1.17 02/11/2000 patched for 128GB HDD by Wim's BIOS team 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 20 Award BIOS IDs listed for Chicony. Contact us if you have new IDs missing from the list :-)

Chicony Award BIOS Identification

Award BIOS ID Motherboard manufacturer, model, PCB revision
2A4X5C2H-00 Chicony CH-880C
2A4X5C2HC Chicony CH-880C
2A4X5C24-01 Chicony CH-881A
12/14/1998-i430TX-NS338-2A59IC2AC-00 Chicony MP980
03/11/1999-FireStar-2A5UQC29C-00 Chicony MP983
02/22/1999-FireStar-2A5UQC29C-00 Chicony MP983SL
09/15/1999-FireStar-2A5UQC29C-00 Chicony MP983
2A5X7C2H-02 Chicony CH-890A
2A5X7C2H-00 Chicony CH-890A
08/04/1999-i440BX-NS338-2A69KC2AC-00 Chicony MP989 Panasonic LCD
10/07/1999-i440BX-SMC869-2A69KC2BC-00 Chicony MP993
11/03/1998-i440BX-NC338-2A69KC29C-00 Chicony MP987
06/21/99-i440BX-SMC869-2A69KC2BC-00 Chicony MP993
08/04/1999-i440BX-NS338-2A69KC2AC-00 Chicony MP989 LG LCD
02/11/2000-BANISTER-2A69NC2AC-00 Chicony MP995
09/16/1999-BANISTER-2A69NC2AC-00 Chicony MP995
04/21/2000-BANISTER-2A69NC2AC-00 Chicony MP995
2C4I9C21 Chicony CH-471B
2C4I9C21-08 Chicony CH-471
09/08/94-SIS-85C471B/E/G-2C4I9C21-00 Chicony CH-471B

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

Chicony AMI BIOS Identification

AMI BIOS ID Motherboard manufacturer, model, PCB revision
40-0003-001116-00101111-080893-UMC491-p Chicony
40-0004-DE1116-00101111-121291-UMCAUTO Chicony
40-0102-001116-00101111-121291-0495AUTO-M Chicony
40-0102-001116-0010111-121291-0495AUTO-M Chicony
40-P304-001116-00101111-0072594-UMC498-H Chicony
40-P307-001116-00101111-072594-UMC498-H Chicony
41-0B00-001116-01111111-101094-umc880B-H Chicony
50-E803-001116-001011111-121593-ALI-H Chicony
X0-0103-001116-00101111-111192-UMC480B-F Chicony
50-E701-001116-00101111-121593-ALI-H Chicony CH-1451A
40-0003-001116-00101111-080893-UMC491-F Chicony CH-491E
40-0102-001116-00101111-040493-UMC491F-H Chicony CH-491E
40-E301-001116-00111111-121593-UMC498-H Chicony CH-498B

Need help? Ask your question here!

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