[clug] Snooping PCI register operations under windows?

Donovan J. Edye donovan at edye.wattle.id.au
Wed Sep 17 19:03:57 EST 2003


B,

You might try http://www.sysinternals.com/ntw2k/utilities.shtml These guys
normally have some pretty low level stuff that you can use to check to see
what is going on under Windoze. Not sure if there is something there
specifically for PCI, but it is worth a look.

--D

-----Original Message-----
From: linux-bounces+donovan=edye.wattle.id.au at lists.samba.org
[mailto:linux-bounces+donovan=edye.wattle.id.au at lists.samba.org] On Behalf
Of Brad Hards
Sent: Tuesday, 16 September 2003 19:46
To: Linux user group
Subject: [clug] Snooping PCI register operations under windows?

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I'm starting to get really annoyed by the i830 (82830) driver support for my

laptop. In particular, I want to be able to turn on the external video, at 
least in mirror mode. The BIOS can do it on startup (and does, if the
monitor 
or projector is connected), Windows XP can do it, but Linux can't.

I've tried to get the doco out of Intel, but never got anywhere. This is
still 
the preferred option, but I figure I need Plan B.

I figure if I can watch the right PCI registers, and toggle the mode under 
windows, I can see which bits are flipped. Then I just write a really basic 
utility to flop those same bits, and I'll be set. The hard part is that I 
know absolutely nothing about development or debugging on windows. Is there
a 
tool I should use? Or is there a debugging mode built in? 

Brad
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