ASUS BIOS PCI/I-A486S Driver Download (Official)

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ASUS BIOS PCI/I-A486S Driver Download (Official)
11 Ratings

Supported Models

BIOS PCI/I-A486S Driver



Supported Operating Systems

Windows Vista, Windows 2003, Windows 2003 (64 bit), Windows XP, Windows XP (64 bit), Windows 2000, Windows NT4, Windows NT3.51, Windows ME, Windows 98SE, Windows 98, Windows 95, Windows 3.1, Mac OSX, Mac OS, Linux, Other Unix, DOS, OS/2, BeOS, PDA, Other

File Name (84.7 KB)


0304 (15-Dec-1995)

Find Related Drivers

Uploader Notes



PCI-A486S (SiS 496/497 ver. B) BIOS 0304

This BIOS do not support A4 version chipset.

Support Cyrix M1SC/5x86 133Mhz CPU.

Support AMD X5 (5x86) CPU.

Support NCR 860.

Support ESS0968 PnP card.

Fix Win95 Battery Meter present on taskbar.

Fix 64MB DRAM hang up problem.

Fix MS mouse driver 9.01 hang up problem wehn NO mouse attached.

Fix the floppy R/W problem when install the OPTi chipset PnP sound card.

Fix Diamond multimedia kit 8000 (OPTi) sound card hang up problem while installation.

Uploaded By

Malathy (DG Staff Member) on 8-Mar-2006

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
SI4A0304.AWD 131.1 KB 5 Dec 1995

How to Update BIOS PCI/I-A486S Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the BIOS PCI/I-A486S driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter BIOS PCI/I-A486S into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the Driver Update Utility for BIOS PCI/I-A486S. It is a software utility which automatically finds and downloads the right driver.

To find the newest driver, you may need to visit the ASUS website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.

How to Open Device Manager

  • In Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager

  • In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager

  • In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager

  • In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager

  • In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. Click the Update Driver button and follow the instructions.

In most cases, you will need to reboot your computer in order for the driver update to take effect.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

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