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.
M821 (V1.2)
M821L (V1.2)
M825 (V1.2a)
M825L (V1.2a)
M825LU (V1.2a)
M825LU (V3.1)
M825LU (V5.2A)
Windows XP, Windows 2000, Windows NT4, Windows ME, Windows 98SE
Socket A (AMD K7)
VIA IDE Driver
BalajiA (DG Staff Member) on 21-Jan-2005
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.
Open a tool called Device Manager.
Use Device Manager to put the new driver on your computer.
Turn your computer off.
Turn your computer back on.
Now your new driver is ready!
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.
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 |