Onboard graphics woe

[Steve Searle]

I have a (very) old HP Brio that I have attempted to install FC6 on.  I
couldn't get the X window system to work at all, I suspect because of
onboard graphics dodgyness.  I tried to get round this by installing an
old ATI Mach64 PCI card, but still can't get it to work -
system-config-display just freeses with a garbled display when I try to
run it.

The onboard graphics cant be disabled in the bios or by a jumper, and I
suspect this is causing the problem.  lspci reports both cards as being
present, and looking at /etc/X11/xorh.conf this has references to the
onboard graphics card.

Does anyone know how I can disable it, or offer any other advice?

Thanks

Steve
-- 

A:  Because it messes up the order in which people normally read text.
Q:  Why is top-posting a bad thing?

 22:28:50 up 88 days, 55 min,  1 user,  load average: 0.04, 0.03, 0.00
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