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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.

Version

Name

Size

Date

att409be

att409be.zip

63KB

07-01-97

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.

Version

Name

Size

Date

327gn1

327GN1.zip

85KB

09-04-96

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.

Version

Name

Size

Flash Utility

Date

giovp315

giovp315.zip

45KB

flash52c.zip

07-01-97

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.

Version

Name

Size

Date

306gcd00

306gcd00.zip

44KB

07-01-97

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.

Version

Name

Size

Flash Utility

Date

326g1c00

326g1c00.zip

45KB

N/A

07-01-97

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.

Version

Name

Flash Utility

Date

3073.zip

45KB

flash52c.zip

07-01-97

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.

Version

Name

Size

Flash Utility

Date

515sbd8a

515sbd8a.zip

66KB

flash52c.zip

07-01-97

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.

Version

I/O Core Logic

Name

Size

Flash Utility

Date

1.15C701

NS 332

115C701.zip

80KB

flash52c.zip

1-04-96

1.15B701

NS 311/312

115B701.zip

80KB

flash52c.zip

1-04-96

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.

Version

I/O Core Logic

Name

Size

Date

1.15C101

NS 332

115C101.zip

72KB

18-04-96

1.15B101

NS 311/312

115B101.zip

72KB

18-04-96

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.

Version

EPROM Chip

Name

Size

Flash Utility

Date

1.XXG705

SST Flash EPROM

115G705.zip

80KB

flash52c.zip

1-04-96

1.15G105

N/A

115G105.zip

72KB

N/A

1-04-96

Latest BIOSes Add the Following Features

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

  2. Add beep sound when entering suspend mode

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.

Version

Name

Size

Flash Utility

Date

1.1716B7

116DI6B7.zip

76KB

flash52c.zip

12-12-96

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.

Version

Name

Size

Flash Utility

Date

5150eef3

5150eef3.zip

48KB

flash52c.zip

07-01-97

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.

Version

Name

Size

Flash Utility

Date

5.1623W2

5162cf37.zip

49KB

flash52c.zip

08-01-97

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.

Version

Name

Size

Flash Utility

Date

427gn2a

427gn2a.zip

50KB

flash52c.zip

07-01-97

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.

Version

Name

Size

Flash Utility

Date

1164g701

1164g701.zip

80KB

flash52c

07-01-97

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