486 Motherboards BIOS Download Page

486-GAC-2 BIOS Update Guide

• The BIOS listed below is the most recent BIOS update for this board. It includes all the modifications of previous BIOS versions.

• This is not a flashable BIOS.

• Please read the BIOS Upgrade Procedure and BIOS section in the Motherboards FAQ for more details about upgrading your BIOS.

486-GAC-V BIOS Update Guide

• The BIOS listed below is the most recent BIOS update for this board. It includes all the modifications of previous BIOS versions.

• This is not a flashable BIOS.

• Please read the BIOS Upgrade Procedure and BIOS section in the Motherboards FAQ for more details about upgrading your BIOS.

Latest BIOS Adds the Following Features:

1. Support AMD DX2, DX4, X5-P75/P90 (133MHz/160MHz) P-rating display

2. Support Cyrix M1SC 5x86-100/120MHz CPU

3. Support TI DX2, DX4 CPU

4. Support SGS DX2, DX4 CPU

486-GIO-VP BIOS Update Guide

• The BIOS listed below is the most recent BIOS update for this board. It includes all the modifications of previous BIOS versions.

• The flash EPROM (EEPROM) chip is optional on this board. Without a Flash EPROM you will not be able to flash the BIOS, but instead will need to use an EPROM programmer.

• Please read the BIOS Upgrade Procedure and the BIOS section in the Motherboard FAQ for further information about updating your BIOS.

486-GIO-VT BIOS Update Guide

• The BIOS listed below is the most recent BIOS update for this board. It includes all the modifications of previous BIOS versions.

• This is not a flashable BIOS.

• Please read the BIOS Upgrade Procedure and BIOS section in the Motherboards FAQ for more details about upgrading your BIOS.

486-GIO-VT2 BIOS Update Guide

• The BIOS listed below is the most recent BIOS update for this board. It includes all the modifications of previous BIOS versions.

• The flash EPROM (EEPROM) chip is optional on this board. Without a Flash EPROM you will not be able to flash the BIOS, but instead will need to use an EPROM programmer.

• Please read the BIOS Upgrade Procedure and the BIOS section in the Motherboard FAQ for further information about updating your BIOS.

486-GVT-2 BIOS Update Guide

• The BIOS listed below is the most recent BIOS update for this board. It includes all the modifications of previous BIOS versions.

• This is not a flashable BIOS. It is possible that your Flash ROM chip is flashable, you can use flash52c flash utility to flash the BIOS. In case your Flash ROM chip is not flashable, nothing will happen and you will need to use EPROM programmer to burn-in the BIOS file.

• Please read the BIOS Upgrade Procedure and BIOS section in the Motherboards FAQ for more details about upgrading your BIOS.

486-PAK-2 BIOS Update Guide

• The BIOS listed below is the most recent BIOS update for this board. It includes all the modifications of previous BIOS versions.

• The flash EPROM (EEPROM) chip is optional on this board. Without a Flash EPROM you will not be able to flash the BIOS, but instead will need to use an EPROM programmer.

• Please read the BIOS Upgrade Procedure and the BIOS section in the Motherboard FAQ for further information about updating your BIOS.

486-PIO-2 BIOS Update Guide

• The BIOS listed below is the most recent BIOS update for this board. It includes all the modifications of previous BIOS versions.

• The flash EPROM (EEPROM) chip is optional on this board. N.B. You can only flash the Plug and Play BIOS if your board is installed with an SST flash EPROM chip.

• Please read the BIOS Upgrade Procedure and the BIOS section in the Motherboard FAQ for further information about updating your BIOS.

• Choose the correct BIOS depending on which I/O Core Logic Chip is installed on your 486-PIO2 motherboard.

If your 486-PIO-2 motherboard is installed with a flash EPROM chip, choose from the following PnP BIOS.

If your 486-PIO-2 motherboard is not installed with a flash EPROM chip, choose from the following non-PnP BIOS. You will require the assistance of your dealer to install the new BIOS.

Latest 486-PIO2 BIOSes Add the Following Features

1. Support AMD X5-P75/P90 P-rating display

2. Add beep sound when entering suspend mode

486-PIO-3 BIOS Update Guide

• The BIOS listed below is the most recent BIOS update for this board. It includes all the modifications of previous BIOS versions.

• The flash EPROM (EEPROM) chip is optional on this board. Choose the correct BIOS depending on whether or not your board is installed with an SST Flash EPROM chip. This is needed to flash a PnP BIOS.

• Without a Flash EPROM you will not be able to flash the BIOS, but instead will need to use an EPROM programmer.

• Please read the BIOS Upgrade Procedure and the BIOS section in the Motherboard FAQ for further information about updating your BIOS.

Latest BIOSes Add the Following Features

1. Support AMD X5-P75/P90 P-rating display

2. Add beep sound when entering suspend mode

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486-POS BIOS Update Guide

• The BIOS listed here is the most recent BIOS update for this motherboard. It includes modifications of all previous BIOS.

• Please read the BIOS Upgrade Procedure and the BIOS section in the Motherboard FAQ for further information about updating your BIOS.

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486-PVT BIOS Update Guide

• The BIOS listed here is the most recent BIOS update for this motherboard. It includes modifications of all previous BIOS.

• The flash EPROM (EEPROM) chip is optional on this board. Without a Flash EPROM you will not be able to flash the BIOS, but instead will need to use an EPROM programmer.

• Please read the BIOS Update Procedure and the BIOS section in the Motherboard FAQ for further information about updating your BIOS.

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486-PVT-IO BIOS Update Guide

• The BIOS listed here is the most recent BIOS update for this motherboard. It includes modifications of all previous BIOS.

• The flash EPROM (EEPROM) chip is optional on this board. Without a Flash EPROM you will not be able to flash the BIOS, but instead will need to use an EPROM programmer.

• Please read the BIOS Update Procedure and the BIOS section in the Motherboard FAQ for further information about updating your BIOS.

Latest BIOS Adds the Following Features

1. Support Cyrix 5x86

2. Support Cyrix DX4 100MHz

486-VIP-IO BIOS Update Guide

• The BIOS listed here is the most recent BIOS update for this motherboard. It includes modifications of all previous BIOS.

• The flash EPROM (EEPROM) chip is optional on this board. Without a Flash EPROM you will not be able to flash the BIOS, but instead will need to use an EPROM programmer.

• Please read the BIOS Update Procedure and the BIOS section in the Motherboard FAQ for further information about updating your BIOS.

486-VIP-IO2 BIOS Update Guide

• The BIOS listed here is the most recent BIOS update for this motherboard. It includes modifications of all previous BIOS.

• The flash EPROM (EEPROM) chip is optional on this board. Without a Flash EPROM you will not be able to flash the BIOS, but instead will need to use an EPROM programmer.

• Please read the BIOS Update Procedure and the BIOS section in the Motherboard FAQ for further information about updating your BIOS.

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