PC Partner A4AS4-985 Driver Download (Official)

7 Ratings

Supported Models

A4AS4-985 Driver

A4MS4-292 Driver

Primary Bus Master IDE Controller (dual fifo) Driver

Secondary Bus Master IDE Controller (dual fifo) Driver

VIA Bus Master IDE Controller Driver

VIA Bus Master PCI IDE Controller Driver


PC Partner


Supported Operating Systems

Windows 2003, Windows XP, Windows 2000, Windows NT4, Windows ME, Windows 98SE, Windows 98, Windows 95

File Name

a4ide.zip (989.2 KB)


5.1.2600.120 (2001-10-18) via .inf
2.0.950.120 (2001-10-18) via .inf
5.0.2195.120 (2001-10-18) via .inf

Find Related Drivers

Uploader Notes

ATI A4 IGP 340

IDE filter driver

Uploaded By

Jayakumar (DG Staff Member) on 15-Oct-2004

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
_SYS1.CAB 175.5 KB 28 Nov 2001
SETUP.LID 49 bytes 28 Nov 2001
SETUP.INS 73.8 KB 28 Nov 2001
_ISDEL.EXE 27.6 KB 28 Nov 2001
README.TXT 5.2 KB 28 Nov 2001
WIN9X/VIAVSD.INF 1.5 KB 18 Oct 2001
WIN9X/VATAPI.VXD 10.9 KB 18 Oct 2001
OS.DAT 450 bytes 28 Nov 2001
SETUP.EXE 73.7 KB 28 Nov 2001
DATA1.CAB 469 bytes 28 Nov 2001
VSSVER.SCC 48 bytes 28 Nov 2001
SETUP.REV 49 bytes 28 Nov 2001
WINME/VIADSK.CAT 7.1 KB 12 Nov 2001
WINME/VIAVSD.INF 1.5 KB 18 Oct 2001
WINME/VATAPI.VXD 10.9 KB 18 Oct 2001
DATA.TAG 141 bytes 28 Nov 2001
LAYOUT.BIN 629 bytes 28 Nov 2001
LANG.DAT 23.5 KB 28 Nov 2001
SETUP.INI 124 bytes 28 Nov 2001
_SETUP.DLL 34.8 KB 28 Nov 2001
RELEASE.TXT 3.6 KB 28 Nov 2001
WIN2K/VIAIDE.INF 1.4 KB 18 Oct 2001
WIN2K/VIAIDE.SYS 6.2 KB 18 Oct 2001
WIN2K/VIAMINI.CAT 7.2 KB 13 Nov 2001
_USER1.CAB 73.5 KB 28 Nov 2001
_INST32I.EX_ 296.7 KB 28 Nov 2001

How to Update A4AS4-985 Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the A4AS4-985 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 A4AS4-985 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 A4AS4-985. It is a software utility which automatically finds and downloads the right driver.

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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