Sis AGP Driver 1.21 WHQL Download

Posted at December 21, 2024 by PCI-DB Team

Sis AGP Driver 1.21 WHQL Description

This package include five parts.

1. WinXP/Win2000 AGP filter driver: Which can support AGP 8x chipset if chipset and VGA card support.
2. WinME/Win98 AGP miniport driver:Which can support AGP 8x chipset if chipset and VGA card support.
3. Some Windows patches:
SIS_LIB.DLL,SISPORT.SYS (winxp) : they are used for reading PCI port
SiSUSBrg.exe (winxp): Add registry for USB bug under WinXP
Mp_s3.exe (WinME):Patch old SiS 961 FERR bug
Openhci.sys (Win98):Provided by Microsoft to update Win98 USB OHCI
4. Execute ata133.exe for IDE to let IDE support UDMA 133 (XP) and 48bit Capacity of HD.It also set IDE device to run UDMA as possible
5. SisAGP utility setting AGP transfer rate only used in SIS AGP new driver

About Graphics Drivers:

While installing the graphics driver allows the system to properly recognize the chipset and the card manufacturer, updating the video driver can bring about various changes.

It can improve the overall graphics experience and performance in either games or various engineering software applications, include support for newly developed technologies, add compatibility with newer GPU chipsets, or resolve different problems that might have been encountered.

When it comes to applying this release, the installation steps should be a breeze, as each manufacturer tries to make them as easy as possible so that each user can update the GPU on their own and with minimum risks (however, check to see if this download supports your graphics chipset).

Therefore, get the package (extract it if necessary), run the setup, follow the on-screen instructions for a complete and successful installation, and make sure you reboot the system so that the changes take effect.

That being said, download the driver, apply it on your system, and enjoy your newly updated graphics card. Moreover, check with our website as often as possible in order to stay up to speed with the latest releases.

  It is highly recommended to always use the most recent driver version available.

Try to set a system restore point before installing a device driver. This will help if you installed an incorrect or mismatched driver. Problems can arise when your hardware device is too old or not supported any longer.

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