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

learn more… | top users | synonyms

1
vote
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.
5
votes
3answers
3k views

Keyboard doesn't work after Windows resume from sleep (S3) — how to fix?

I have a weird issue with my keyboard after resuming from S3 sleep: I can type perfectly for maybe 5 seconds, but afterwards the keyboard ceases to work until I hibernate or restart (or sleep again -- ...
7
votes
2answers
716 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

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?
0
votes
1answer
167 views

System will only boot into a Live CD with core disabled in BIOS and ACPI off

I have a system that was running a Q6600 and Windows 7 RC. It crashed last night into a BSOD with a MACHINE_CHECK_EXCEPTION. Now it does that every time it boots into Windows. I tried using my ...
2
votes
1answer
256 views

Power states in Windows

Does anybody know or have a link to documentation on how the Power Manager of Windows, determines to go to the ACPI power states S1-S4? Are there any settings that can be configured? I know that by ...
0
votes
1answer
2k views

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: ...
0
votes
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
votes
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
votes
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
280 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 ...
15
votes
4answers
9k views

What is keeping my PC from sleeping?

How can I find out why my laptop or desktop won't automatically go to sleep