Very Computer

by **Harald Koen** » Thu, 15 Feb 1996 04:00:00

Quote:> I just upgraded from an AMD486-66 to a Pentium 150. Now when I try to
> go into X windows (XFree86), the screen just flashes and goes blank. If I
> try to switch to another virtual console, the screen flashes up correctly
> for an instant, sometimes the new console appears but usually the screen
> stays blank. If I switch back to the X console, sometimes the X11 screen
> comes up, but usually not. If it does come up, then the system is locked
> up and I have to do a hard reboot. If it does not come up then I can do
> a soft reboot.

hmm, no real idea. I'd guess your new main board is the problem
(in combination witht he card; PCI timing problems, ...). but maybe

Quote:> 02e8-02ef : serial(set)

where is this COM4 port located ??
did you have it on your 486 board too (using the *same* card) ?
some COM4 ports have address conflicts with the S3 chips due to
broken address decoders. try to disable/remove this port.

also get XFree86 3.1.2B which has some minor PCI fixes...

and try your graphics card in every single PCI slot...

Harald
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by **Joel D. Youn** » Sun, 18 Feb 1996 04:00:00

Harald etal

I just tried an old Trident 8900d or some such with the
SVGA server and got exactly the same simptoms as I had been
getting with the Diamond. It is not a diamond problem.

Seems to be somesort of motherboard problem.

The Trident is and ISA card not even PCI.

These are the symptoms:

1. I start X
2. Screen flashes and goes blank (number on monitor changes to
correct value)
3. If I try repeatedly to switch to another VC, the harddrive spins like
crazy and then X flashes up and then If I press again I can switch to a
text console. Right after getting to the text console, the drive spins
again and then X continues loading and my startup music plays. Now
if I switch to the X VC then My full display is there windows and all
but now the system is locked.
4. The machine is still running (a mod file continues playing in the
back ground) so when I am experimenting, I set shutdown to go off in a
few minutes so the system will get a clean boot.

Any suggestions? Someone suggested that PNP was the problem but if so
what can I do?

I also moved my Modem to Com2 and my mouse to com1 so nothing would be
on com3 and com4. This problem happens even if the video card is the
Only card in the system.

Joel

> > I just upgraded from an AMD486-66 to a Pentium 150. Now when I try to
> > go into X windows (XFree86), the screen just flashes and goes blank. If I
> > try to switch to another virtual console, the screen flashes up correctly
> > for an instant, sometimes the new console appears but usually the screen
> > stays blank. If I switch back to the X console, sometimes the X11 screen
> > comes up, but usually not. If it does come up, then the system is locked
> > up and I have to do a hard reboot. If it does not come up then I can do
> > a soft reboot.

> hmm, no real idea. I'd guess your new main board is the problem
> (in combination witht he card; PCI timing problems, ...). but maybe

Very Computer

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