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MaxDamage
l33t
Joined: 03 Jan 2004
Posts: 650
Location: Oviedo, Spain
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 Posted: Mon Jan 19, 2004 10:08 am Post subject: ACPI necessary? |
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Well, when I installed gentoo the ethernet card (8139too, integrated) didn't work, althought the LiveCD detected it correctly.
I had to append at the boot in grub, and then it worked.
I have searched in google and into the forum, but I haven't found too much information about ACPI and APIC.
Could you experienced people  explain me what is the difference between APCI and APM, if it is necessary for a desktop PC (not a laptop) and what I lose if I append | Code: | | pci=noapci; apci=off; apci=ht; noapic; etc ... |
at the boot time?
I think this is a theme a lot of people (as me) have not too much clear, and some explanation would be of big interest. Thanx.
P.D. - My system is a AthlonXP 2000 on a QDI GA-7VAX MoBo with KT400 chipset, 512Mb DDR333, Geforce2 GTS, etc...
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hifi
Apprentice
Joined: 17 Jul 2002
Posts: 184
Location: Graz
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| Posted: Mon Jan 19, 2004 11:54 am Post subject: |
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acpi is newer than apm
if you don't mind your energy liferants bills than you probably don't need either when using a desktop. |
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Luud
Apprentice
Joined: 05 Jun 2003
Posts: 246
Location: Netherlands
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| Posted: Tue Jan 20, 2004 8:45 am Post subject: |
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Well, I'm not very experienced with APM and ACPI, but I could give you a hint more.
APM does only powermanagement (thus it's name: Advanced Power Management)
ACPI is more than just that, it does computer configuration stuff as wel (as again it's name says: Advanced Configuration and Power Interface).
It should be possible on more modern hardware to use ACPI to read fan speeds, temperature information, cpu information, etc...
ACPI is still quite new in Linux. However, some newer hardware no longer support APM but only ACPI. (AFAIK)
Here are some useful links:
ACPI - Advanced Configuration and Power Interface
ACPI4Linux
ACPI HOWTO
Power Management with Linux - APM, ACPI, PMU
Haven't read all of these myself yet though.
Cheers
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Luud
Apprentice
Joined: 05 Jun 2003
Posts: 246
Location: Netherlands
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| Posted: Tue Jan 20, 2004 8:57 am Post subject: |
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Just came across this one:
AnandTech: ACPI vs APM
Happy reading
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MaxDamage
l33t
Joined: 03 Jan 2004
Posts: 650
Location: Oviedo, Spain
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| Posted: Tue Jan 20, 2004 11:23 pm Post subject: |
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Thanx for the info. I guess it's reading time
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