Question about 'Dealing with Windows's Advanced Power Management (APM)'
Wednesday, October 22, 2003 at 9:06 pm
Posted by Francois L'Archeveque
(2 messages posted)
I have a comment about Dealing
with Windows's Advanced Power Management (APM):
I recently solved an APM problem with my Win98 system and it turns out the problem
was not Windows' fault at all. The system used the boot loader GRUB v0.90 to select
which operating system to boot. There was a known bug in GRUB v0.90 that left the
APM bios in an inconsistent state rendering APM unusable in Windows. The "Stand by"
option would be missing from the Shutdown menu and the "Advanced Power Management
support" in the device manager would have an exclamation mark next to it indicating
an error. Upgrading GRUB to v0.91 under RedHat 7.2 solved the problem in Windows.
The bug as logged was known to affect Windows 2000 SP2 but could very well affect
any Windows version since the APM bios was messed up before Windows even started
booting.
http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=54375
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re: Question about 'Dealing with Windows's Advanced Power Management (APM)'
Friday, October 24, 2003 at 9:27 pm
Posted by Francois L'Archeveque
(2 messages posted)
There was another problem coming out of standby (blank screen with cursor at top
left) mode which I thought would be resolved with the latest video driver for my
video adapter. The resume worked fine when using the basic 16 color VGA driver so
the video driver seemed like the obvious culprit. The latest driver made no difference.
Finally after many suspend, resume, hang, reboot cycles, an upgrade from DirectX
8 to 9a fixed the resume problem.
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