PC Chips M821 (V1.2) Driver Download

PC Chips Drivers

The M821 (V1.2) is a disk drive controller manufactured by PC Chips. This driver fixes problems with drive not found, slow or unreliable data transfer, intermittent connection or hardware conflicts. This version of "via_831a.zip" has been downloaded 360 times with a user rating of 5 out of 5 stars, based on 10 reviews. Compatibility for this driver update includes PCs running Windows operating systems such as Windows XP. The total disk space used for this update is 1.4 MB.

10 Ratings
360 Downloads

Supported Models

M821 (V1.2)

M821L (V1.2)

M825 (V1.2a)

M825L (V1.2a)

M825LU (V1.2a)

M825LU (V3.1)

M825LU (V5.2A)

Manufacturers

PC Chips

VIA

Supported Operating Systems

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

File Name

Versions

4.53 (6-Oct-2004)
5.0.2195.120 (2001-10-18) via .inf
4.43.0000 (2003-07-02) via .inf
5.1.00.0220 (2002-10-02) via .inf
5.1.2600.120 (2001-10-18) via .inf

Additional Notes

Socket A (AMD K7)

VIA IDE Driver

Uploaded By

BalajiA (DG Staff Member) on 21-Jan-2005

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
VIA_831a/layout.bin 609 bytes 14 Jun 2004
VIA_831a/IdeFilter/vfsfd.sys 12.0 KB 9 Jan 2003
VIA_831a/IdeFilter/videfd.sys 4.9 KB 2 Jan 2003
VIA_831a/IDEWinXP/VIAIDEXP.INF 1.6 KB 18 Oct 2001
VIA_831a/IDEWinXP/VIAMINI.CAT 7.2 KB 7 Nov 2001
VIA_831a/IDEWinXP/VIAIDEXP.SYS 6.1 KB 18 Oct 2001
VIA_831a/IDEWinXP/VIAIDE2K.DLL 32.8 KB 3 Aug 2001
VIA_831a/_sys1.cab 175.5 KB 14 Jun 2004
VIA_831a/Via4in1.exe 200.7 KB 7 Apr 2004
VIA_831a/IRQ/VTNIRQ.PCI 3.9 KB 2 Mar 1999
VIA_831a/Server2003/viaagp1.cat 8.9 KB 21 Aug 2003
VIA_831a/Server2003/viaagp1.sys 27.9 KB 2 Jul 2003
VIA_831a/Server2003/VIAAGP1.INF 4.2 KB 2 Jul 2003
VIA_831a/WINNT/VIAIDE.INF 22.4 KB 15 Apr 2003
VIA_831a/WINNT/VIADSK.SYS 55.0 KB 23 Sep 2003
VIA_831a/_Setup.dll 34.8 KB 14 Jun 2004
VIA_831a/WIN9X/VIADSK.CAT 7.0 KB 13 Nov 2001
VIA_831a/WIN9X/VIAVSD.INF 1.5 KB 18 Oct 2001
VIA_831a/WIN9X/VATAPI.VXD 10.9 KB 18 Oct 2001
VIA_831a/setup.lid 49 bytes 14 Jun 2004
VIA_831a/IDEWin2K/VIAIDE.INF 1.4 KB 18 Oct 2001
VIA_831a/IDEWin2K/VIAIDE.SYS 6.2 KB 18 Oct 2001
VIA_831a/IDEWin2K/VIAMINI.CAT 7.2 KB 13 Nov 2001
VIA_831a/IDEWin2K/VIAIDE2K.DLL 32.8 KB 3 Aug 2001
VIA_831a/_ISDel.exe 27.6 KB 14 Jun 2004
VIA_831a/AGP/viagart.cat 9.0 KB 30 Jul 2003
VIA_831a/AGP/VIAGART.sys 10.2 KB 31 Oct 2003
VIA_831a/AGP/VIAGART.INF 8.6 KB 12 Aug 2004
VIA_831a/AGP/VIAAGPV.reg 6.0 KB 2 Jul 2003
VIA_831a/AGP/VIAAGPS.reg 6.8 KB 12 Jan 2004
VIA_831a/Setup.exe 73.7 KB 14 Jun 2004
VIA_831a/WINME/VIADSK.CAT 7.1 KB 12 Nov 2001
VIA_831a/WINME/VIAVSD.INF 1.5 KB 18 Oct 2001
VIA_831a/WINME/VATAPI.VXD 10.9 KB 18 Oct 2001
VIA_831a/Pfd/VIAPFD.SYS 3.3 KB 18 Dec 2001
VIA_831a/DATA.TAG 113 bytes 14 Jun 2004
VIA_831a/WinXP/VIAAGP1.SYS 27.9 KB 2 Jul 2003
VIA_831a/WinXP/viaagp1.cat 8.9 KB 30 Jul 2003
VIA_831a/WinXP/VIAAGP1.INF 4.2 KB 2 Jul 2003
VIA_831a/os.dat 450 bytes 14 Jun 2004
VIA_831a/KillPro.dll 102.4 KB 4 Jul 2002
VIA_831a/setup.ins 174.3 KB 22 Jul 2004
VIA_831a/data1.cab 469 bytes 14 Jun 2004
VIA_831a/SETUP.INI 90 bytes 14 Jun 2004
VIA_831a/DMAOPT.DAT 114 bytes 14 Feb 2003
VIA_831a/_inst32i.ex_ 296.7 KB 14 Jun 2004
VIA_831a/WIN2K/VIAAGP1.SYS 27.9 KB 2 Jul 2003
VIA_831a/WIN2K/viaagp1.cat 8.9 KB 30 Jul 2003
VIA_831a/WIN2K/VIAAGP1.INF 4.8 KB 2 Jul 2003
VIA_831a/_user1.cab 303.3 KB 14 Jun 2004
VIA_831a/AgpME/viagart.cat 9.0 KB 30 Jul 2003
VIA_831a/AgpME/VIAGART.sys 10.2 KB 31 Oct 2003
VIA_831a/AgpME/VIAGART.INF 8.6 KB 31 Oct 2003
VIA_831a/AgpME/VIAAGPV.reg 6.0 KB 2 Jul 2003
VIA_831a/AgpME/VIAAGPS.reg 6.8 KB 12 Jan 2004
VIA_831a/lang.dat 23.5 KB 14 Jun 2004
VIA_831a/Inf/Winme/VIAMACH.INF 18.4 KB 20 Jul 2004
VIA_831a/Inf/Winme/viamach.cat 15.2 KB 11 Nov 2003
VIA_831a/Inf/Server2003/VIAMACH.INF 24.9 KB 30 Jun 2004
VIA_831a/Inf/Server2003/viamach.cat 14.8 KB 12 Jul 2004
VIA_831a/Inf/Win98SE/VIAMACH.INF 19.3 KB 30 Jun 2004
VIA_831a/Inf/Win98/VIAMACH.INF 27.2 KB 30 Jun 2004
VIA_831a/Inf/Win95/VIAMACH.INF 20.0 KB 30 Jun 2004
VIA_831a/Inf/Win2000/VIAMACH.INF 24.9 KB 30 Jun 2004
VIA_831a/Inf/Win2000/viamach.cat 14.8 KB 12 Jul 2004
VIA_831a/Inf/Winxp/VIAMACH.INF 24.9 KB 30 Jun 2004
VIA_831a/Inf/Winxp/viamach.cat 14.8 KB 12 Jul 2004
VIA_831a/Agp95/Viagart.vxd 14.9 KB 2 Jul 2003
VIA_831a/Agp95/viagart.cat 9.0 KB 3 Feb 2003
VIA_831a/Agp95/VIAGART.INF 3.6 KB 12 Aug 2004

How to Update M821 (V1.2) Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the M821 (V1.2) 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 Chips M821 (V1.2) 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 PC Chips Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

To find the newest driver, you may need to visit the PC Chips 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 11, 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.

This website is not affiliated with PC Chips. All company names/logos are properties of their owners.
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