PC Partner A4AS4-985 Utility Download (Official)

5 Ratings

Supported Models



VIA CPU to AGP Controller

VIA I/O APIC Interrupt Controller

VIA PCI to PCI Bridge Controller

VIA Power Management Controller

VIA Standard CPU to PCI Bridge


PC Partner


Supported Operating Systems

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

File Name

Versions (2000-08-01) via .inf (2001-08-15) via .inf

Additional Notes

ATI A4 IGP 340

INF Update

Uploaded By

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

How to Update A4AS4-985 Device Drivers

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

Step 2 - Install Your Driver

To install your new driver on Windows:

  1. Right-click the Start button.

  2. Click "Device Manager">

  3. Find your device in the list.

  4. Right-click the device and select "Update driver"

  5. Follow the steps on screen.

Restart your computer when done.

This keeps your computer working at its best.

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.

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
WIN98SE/VIAMACH.CAT 6.7 KB 23 Aug 2001
WIN98SE/VIAMACH.INF 13.3 KB 16 Aug 2001
layout.bin 609 bytes 6 Sep 2001
_sys1.cab 175.5 KB 6 Sep 2001
WIN95/VIAMACH.INF 9.9 KB 16 Aug 2001
WIN2000/VIAMACH.CAT 6.8 KB 23 Aug 2001
WIN2000/VIAMACH.INF 6.4 KB 16 Aug 2001
_Setup.dll 34.8 KB 6 Sep 2001
VIAMACH.REV 13 bytes 6 Sep 2001
setup.lid 49 bytes 6 Sep 2001
_ISDel.exe 27.6 KB 6 Sep 2001
Setup.exe 73.7 KB 6 Sep 2001
WINME/VIAMACH.CAT 6.8 KB 23 Aug 2001
WINME/VIAMACH.INF 11.9 KB 16 Aug 2001
WIN98/VIAMACH.INF 13.7 KB 16 Aug 2001
DATA.TAG 103 bytes 6 Sep 2001
WINXP/VIAMACH.CAT 6.8 KB 23 Aug 2001
WINXP/VIAMACH.INF 3.2 KB 16 Aug 2001
os.dat 450 bytes 6 Sep 2001
setup.ins 59.8 KB 6 Sep 2001
data1.cab 469 bytes 6 Sep 2001
SETUP.INI 73 bytes 6 Sep 2001
_inst32i.ex_ 296.7 KB 6 Sep 2001
_user1.cab 29.6 KB 6 Sep 2001
lang.dat 23.7 KB 6 Sep 2001
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