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Widescreen support for SiS VGA BIOS based motherboards

A patched bios with a recent SIS video bios fixes issues with widescreen resolutions like 1440x900 or 1680x1050 (Offical SIS FAQ regarding this issue).

With a bios patched for widescreen you will not be able to use: DVI, TV-OUT or (on laptops) LCD. The video bios is missing support for those ports/devices and there's nothing we can currently do about that!

Step-by-step guide for Widescreen support

Follow these steps:

  1. Install the .inf file for your monitor
  2. Install the latest SIS VGA driver

If your problems still persists; please check below if there's a patched BIOS available.

If there's no patched bios for your mainboard: request one in the forum! Make sure to include a DIRECT LINK to your mainboard BIOS.

The following BIOS files have a recent SIS video bios patched in. Which version depends on the integrated graphics core: 2.30.01 for all with PCIID 6325 (SIS 740/65x) and 2.49.00 or 2.51.00 for all with PCIID 6330 (SIS 741/66x).

SiS VGA BIOS patched motherboards bios downloads