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

Rectron BIOS Updates

Manufacturer - Model Chipset BIOS ID Full BIOS ID Download BIOS
Rectron Intel 430FX 2A59CR21 Download BIOS
Rectron SiS 5511/12/13 2A5IDR2B Download BIOS
Rectron SiS 501/02/03 2A5IAR2A Download BIOS
Rectron Intel 430FX 2A59CR2B 2A59CR2BC-00 Download BIOS
Rectron SiS 5511/12/13 2A5IDR2E Download BIOS
Rectron SiS 5501/02/03 2A5ICR29 Download BIOS
Rectron SiS 5501/02/03 2A5ICR2C Download BIOS
Rectron OPTi Viper(-M) 82C556/557 2A5UNR21 Download BIOS
Rectron SiS 5511/12/13 2A5IDR2H Download BIOS
Rectron SiS 496/497 2A4IBR23 Download BIOS
Rectron UMC 8881E/8886B 2A4X5R21 02/07/95 - UMC881/886A - 2A4X5R21- 00 Download BIOS
Rectron SiS 5511/12/13 2A5IDR2A Download BIOS
Rectron SiS 496/497 2A4IBR2B Download BIOS
Rectron SiS 501/02/03 2A5IAR29 Download BIOS
Rectron Intel 430FX 2A59CR2A Download BIOS
Rectron SiS 5511/12/13 2A5IDR2D Download BIOS
Rectron SiS 5501/02/03 2A5ICR22 Download BIOS
Rectron Intel 430HX 2A59FR29 Download BIOS
Rectron SiS 5511/12/13 2A5IDR2G Download BIOS
Rectron SiS 5501/02/03 2A5ICR2B Download BIOS
Rectron SiS 5511/12/13 2A5IDR29 Download BIOS
Rectron SiS 496/497 2A4IBR22 Download BIOS
Rectron SiS 5596/5597 2A5IFR29 Download BIOS
Rectron SiS 496/497 2A4IBR2A Download BIOS
Rectron Intel 430FX 2A59CR29 2A59CR29C-00 i430 FX CS Download BIOS
Rectron SiS 5511/12/13 2A5IDR2C Download BIOS
Rectron SiS 5501/02/03 2A5ICR21 Download BIOS
Rectron SiS 5511/12/13 2A5IDR2F Download BIOS
Rectron SiS 5501/02/03 2A5ICR2D Download BIOS
Rectron SiS 496/497 2A4IBR21 Download BIOS
Rectron SiS 5511/12/13 2A5IDR2I Download BIOS
Rectron SiS 496/497 2A4IBR29 Download BIOS
Rectron UMC 8881E/8886B 2A4X5R29 Download BIOS
Rectron AS496 SiS 496/497 2A4IBR2C SIS-496-497-A/B-2A4IBR2CC-00 Download BIOS
Rectron Model: RT - 5TI Intel 430FX 2A59CR2C 2A59CR2CC-00 Download BIOS
Rectron RT-5SI 550X SiS 5501/02/03 2A5ICR2A 2A5ICR2A Download BIOS
Rectron Terminator 80486 PCI Ver 3.1 SiS 501/02/03 2A5IAR21 02/08/95 - SIS 501-503 - 2A5IAR21-00 Download BIOS

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