HELP: Graphics card won't reset to text mode after running X

HELP: Graphics card won't reset to text mode after running X

Post by Daniel A. Seg » Sun, 19 Jun 1994 06:03:57

I'm running the Slackware distribution of Linux & Xfree86 2.1.1
on a 486 using an ATI Graphics Wonder SVGA card (new cheap ATI card
that uses the Mach32 chip).

I can get X to start up fine, but if I then try to go back to
one of the other tty's, or if I quit out of X, the screen gets
all messed up and all I see are a bunch of short vertical lines
instead of text characters. I think the monitor is re-synching at
the proper rate, but the graphics mode is obviously wrong.

Any ideas? Is there somewhere I can configure what happens when the
system switches to a text screen? Is there some program I can run
to force the mode into a text mode?

Thanks in advance,

Daniel A. Segel

Daniel A. Segel, KD6NMT, DoD# 1007, T120V, R75/5, K75S
"MIT was after me, you know. Wanted me to rule the world for them."


1. HELP: My ATI card won't switch back to text mode after running X

I have an ATI Graphics Wonder VLB (new cheap Mach32 based card) running
on a 486. I run XFree86 v2.1 under Linux 1.1.20. I have to use the Mach8
drivers because the Graphics Wonder is only Mach8 driver compatible,
even though it has the Mach32 chipset.

Anyway, X runs fine, but when I exit out of it or try to switch to
a text console the screen just shows a bunch of vertical lines. I can
still type commands in and everything appears to be working, but my
only option at that point is to reboot to get the video card set back
into a normal mode.

Note that this is *not* a tty/term type of problem. No amount of resetting
the terminal will fix it; it's the video card itself that is in the wrong

Any advice or tips on how to rectify the situation? Is there some way
I could write a short program that sets the video card back to a valid
text mode? I've done some C programming, but don't know where to begin
with respect to programming the video card (and I don't have any ATI
programmers info).

Any help or ideas would be appreciated.

Daniel A. Segel

Daniel A. Segel

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