[K12OSN] What's the deal with monitors?

"Terrell Prudé Jr." microman at cmosnetworks.com
Sat Mar 3 22:49:55 UTC 2007

I ran into something similar with an OptiQuest monitor a few years ago
with K12LTSP.  Also affected FreeBSD, interestingly.  By accident, I
discovered that if I left it for about 4-5 minutes, I would eventually
get the K12LTSP login screen.  This was with an S3 Trio64 video
board--ordinarily one of my favorite thin client video boards.  And no,
it didn't affect all monitors that I had, just the OptiQuest. 
Apparently certain--very few--combinations of monitor and video board
just don't get along too well with either K12LTSP or FreeBSD.  However,
with those combinations, Red Hat Linux in fat-client mode worked just
fine.  Go figure.

My fix--for that particular monitor--was to swap in an ATI 3D Rage Pro
video board.  The K12LTSP login screen came right up, as expected.  And
BTW, I'm now using that S3 Trio64 video board with a 19" SHARP LCD
screen, and things work perfectly.

Do you GNU!?
Microsoft Free since 2003 <http://www.gnu.org/>--the ultimate antivirus

Carl Keil wrote:
> Hi Folks,
> I have some monitors that just don't play nice with k12ltsp.  When the
> client boots and it gets to the "xorg" line, the monitor just switches
> off.  For one monitor adding XSERVER = vesa makes it work.  I just
> bought a cute little 15" monitor yesterday and XSERVER = vesa doesn't
> even fix it.  It seems like its booting normally, then, click, the
> monitor LED just goes red.  The monitor works on an Ubuntu Fat client
> and the thin client can boot up normally, with the defaults, using a
> variety of different monitors.  I'd love to use this tiny monitor, I'd
> love to get away from vesa on the other thin client, but I don't know
> what's wrong here.
> What causes this phenomenon?  What can I do about it?
> Thanks,
> ck
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