I've had Fedora Core 4 running on my IBM T43 for a few months now. I decided to go ahead and setup the power management. I setup my cpuspeed.conf, a lid closed event, and edited my grub.conf. After doing this, my machine emits a faint, high-pitched beeping sound that's gets even louder while on battery. It also gets louder if I turn up the cpu frequency. Anyone got any ideas? I tried searching and couldn't find anything with the terms I was using.
My cpuspeed.conf looks like this:
# uncomment this and set to the name of your CPUFreq module
# Let background (nice) processes speed up the cpu
# Add your favorite options here
#OPTS="$OPTS -s 0 -i 10 -r"
# uncomment and modify this to check the state of the AC adapter
OPTS="$OPTS -a /proc/acpi/ac_adapter/*/state"
# uncomment and modify this to check the system temperature
OPTS="$OPTS -t /proc/acpi/thermal_zone/*/temperature 75"