> I have an Ati Graphics Expression 2mb PCI video card.
> (stg1702 ramdac)
> I'm running Debian Potato and kernel 2.2.14.
> 640x480 8bpp will not work with the SVGA or Mach64
> Xserver. 640x480 does work with the vga16 Xserver, but
> this is useless.
> The problem is the Vertical size is too big, I tried
> multiple modelines and the effect was limited, I could
> not get the screen to fit vertically, xvidtune seemed to be
> working when I exceeded the possible settings given the
> monitor specs entered in XF86Config.
> What I find particularly interesting is the modeline for 640x480
> works with the vga16 Xserver, Why ?
> Any help apprecaited! :/
> Kevin Gourley, EngSoc
> "Good Times, Noodle Salad"
It might be your monitor. I've got an ATI Mach64 Graphics Ultra Pro or
something like that with Chrontel CH8398 RAMDAC and 1MB VRAM. On an old
is stretched vertically) with the card on the Mach64 X server, but not
with the SVGA server. However it worked fine on my Nokia 17" with both
vanilla vga monitor, did you?), which worked fine on a stone-age trident
card worked on the mach64 server but would not sync on the svga server.
But on the Mach64 server 720x540 was stretched, but 1024x768i was
NOT!!. These problems occured regardless of the bit depth.
Quite strange. Try a different monitor and see if the problem goes