Re: Availability of VESA modes

bryan vold (
Wed, 29 Jul 1998 13:46:14 -0500

On Tue, Jul 28, 1998 at 02:51:51PM +0200, Junichi Saito wrote:
> This may well be a hardware issue.
> I compiled the kernel 2.1.111 with the vesafb option enabled. I can now
> select some graphic modes (640x480, 1024x768) at boot time.
> My question is : How dose it come that I can't get the intermediate
> resolution 800x600 ? All I get is a messed up screen. The machine dosen't
> get freezed, I can blindly start X.
> The graphic card used is S3 VIRGE/DX 4Mb. The monitor is an old SVGA. I
> can get all the three resolutoins mentioned above under XFree86.
> junichi

What are you using for mode numbers? When I try the ones from the screen,
things get messed up. Try the VESA numbers, starting with 0301 (640x480),
0303 (800x600), 0305 (1024x768), 0307 (1280x1024). I have an S3 Virge also
(only 2Mb though). These modes work fine. 0309 screws up the display (says
something on boot about VGA+ 132x25. It says it is only using 32k, don't know
if that is significant.



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