Advanced Configuration and Power Interface, a standard for power management in operating systems.

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Linux program to artificially create CPU usage

Since I own one of those Centrino based Core 2 notebooks that create annoying buzzing noises when idle (= entering C3 or C4 power saving states), I'm looking for a program that creates artificial CPU ...
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1answer
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ACPI Throttling in Ubuntu

I'm looking to throttle my cpu through the ACPI. I've read up on it, but I keep receiving permission denied statements. I have 8 available throttling states. Here are the outcomes of my atttempts: ...
4
votes
1answer
2k views

How can I convince my ASUS EEE B202 to boot, when the power is returned to its power supply

My little home server 'sulks', when it loses power. Instead of booting, when the power is returned, it waits for me to press its power-button. Is there a way to have it boot without human ...
7
votes
2answers
715 views

Laptop sleep: How to go into S3 easily?

Laptop: Fujitsu-Siemens Amilo Pi-3525 OS: Vista When my laptop is plugged in and I close the lid, it goes into S1 sleep. This means that there is still: fan noise (annoying when trying to sleep at ...
2
votes
1answer
1k views

Tool for making fn-x buttons work? Archlinux, handler.sh

This just seems like such a normal thing to work. I know that this works out of the box on Ubuntu. But not in Archlinux. I would like to think that there is a tool in existence that would use ...
1
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1answer
245 views

What information is present in the ACPI tables?

What do ACPI tables contain? I tried googling it, and it did not help.
1
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1answer
281 views

How do you stop Linux from re-setting the display brightness?

After manually setting the display brightness on my laptop, the system re-sets the value. If the laptop is plugged in, the value is set to full brightness; if it is not plugged in, it is set to ...
2
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1answer
1k views

How to view ACPI RTC alarms?

My PC resumes at 8:30 when it's in standby mode, and I would like to check if there is an RTC alarm that causes it. How can I view currently set alarms in Windows?
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1answer
333 views

S3 standby/resume in PCLinuxOS on a desktop PC?

I've just installed PCLinuxOS on a regular desktop PC. It's working fine except for S3 standby/resume (I'm not interested in S4 hibernate). What packages do I need to install, and what settings to I ...
8
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3answers
2k views

My computer reboots when I tell it to shutdown

There are about 40 computers at work with this problem. They all have an ASUS P5KPL/1600 motherboard. They are all running SUSE Linux 11.1. When I tell the computer to shutdown either through the UI ...
0
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1answer
2k views

What impact could it have to set acpi=off during Ubuntu installation?

I've had a hard time getting Ubuntu installed on my Acer laptop. This guy recommended setting acpi=off to workaround some of the boot issues. If this solution is successful in getting Ubuntu to boot ...
3
votes
3answers
279 views

What circuitry displays battery status in laptops

Which circuitry in laptop is responsible for showing the battery status/charging etc in a laptop? My intension is to hack such a circuit inch a desktop to show the status of a standalone UPS. I am ...