I am using an OpenSuse install DVD (32 bit). The install ran fine. When the system tried to restart, post install, I received the following message: cannot start X-Server. It gave me an opportunity to automatically try to fix the problem, but to no avail. Looging in works, but then I am in text mode (command prompt). I re-formatted the hard disk, an re-installed, same results.
My system runs Vista fine. My graphics card is an ATI Radeon HD 3650
I suspect you will need to initially use either:
sax2 -m 0=vesa
or
sax2 -r -m 0=vesa
for basic X under the vesa driver, and then look for a custom ati driver