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Old 12-06-2004, 03:20 PM   #1
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Registered: Nov 2004
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FC3 on Toshiba Satellite: Power Mgmt? Brightness?

How do I monitor and/or manage laptop specific issues when using Fedora Core 3 on a laptop?

The laptop management features that were available under XP on this laptop that I'm mainly interested in duplicating are:
  • battery status warnings
  • brightness control
  • auto-sleep when battery low, state-resume when I press power button
  • ability to slam closed (quick auto-sleep?) and re-open (auto-resume?) later
Toshiba Satellite A-10 S169
Up-to-date Fedora Core 3 (installed easily, runs fine)

BTW: Some laptop function keys, such as number lock and video output work fine. But the LCD screen brightness controls (Function+F6 and Function+F7) only work under XP.

Old 12-06-2004, 04:25 PM   #2
Registered: Jun 2004
Location: MD
Distribution: Fedora Core
Posts: 269

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You might not have ACPI enabled.

Edit /etc/grub.conf

and add

to the line that starts with "kernel". That should fix the battery status and brightness control.

I haven't gotten sleep/suspense to work myself, so can't help you there.
Old 12-08-2004, 11:55 AM   #3
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Registered: Nov 2004
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Adding the acpi=on to the kernel line in /etc/grub.conf (and rebooting, etc...) made no difference. The brightness keys still did not function. BTW: The acpid daemon was being started by the run control scripts and I saw some posts elsewhere that suggested the acpi=on was no longer necessary. I suspect this is true because...

I DID find that I could right-click on the taskbar in Gnome and add a battery status monitor. It works great! Shows whether I'm on battery or AC, time remaining on battery, time remaining to full charge, etc... I assume this applett is using the acpi events to track the battery status.

I'd STILL like to find some way to adjust the LCD brightness, even if it's not via the hot-keys. As for suspend, resume, low-power-suspend, or slam-the-laptop-closed-suspend; looks like I'll need to dig deeper into the acpi events and actions stuff.

Thanks for pointing me to acpi, at least I have a direction to research and test!


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