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What's APIC...?


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#1
Ungoliant

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Hi, I just built a new computer (specs below) and ran sisoft sandra's little performance tune up thingy and it's saying that there's "no APIC enabled for MP system" First off, I don't know what it is, if my motherboard "supports" it or if it's available to enable in the BIOS as sisoft suggested. Anyone care to help out a noobie? :tazz:
ABIT Ni8-SLI
Pentium 4 640
Corsair 1gb DDR2 675mhz
XFX 7800GT
Thermaltake TR2 500W
Seagate Barracuda SATAII 160gb
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#2
dsenette

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i'm not familiar with APIC but it's either
Advanced Programmable Interrupt Controler.
or
Advanced Peripheral Interupt Controller

they sound about the same...still doing a little reaserch

in your motherboard manual there is a post code listing for enabling APIC for pentium class cpu....so i would assume that there is a setting somewhere in the bios..

still looking...but that seems like the direction to search
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#3
dsenette

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just looked at the manual and i don't see a location for the settings for APIC...
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#4
SRX660

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Perhaps sisoft is seeing that this Mb can run a dual core processor so it is just reporting that APIC is not enabled. It also may be seeing that you can run SLI graphics cards and that it is enabled in the BIOS even tho you are using a single card. Heres a website on SMP( symmetrical multiprocessors).

http://kos.enix.org/..._bring_smp.html

You may have to disable multiple processor or multiple graphics cards in the bios, although it seems that only sisoft is the only place where you are getting any information. Windows does not give you any messages i assume, so it is running fine the way it is.

SRX660
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#5
Ungoliant

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so i don't need to enable it or try to enable it? it's not interfering with performance or anything like that?
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#6
dsenette

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in my opinion...if it's not broke...don't fix it....if you're not getting errors because of this...i wouldn't worry too much about it...by srx's description..and the info that i could find...it's just an enhancement type of deal
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#7
Ungoliant

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ok, gotcha. thanks for the help, guys :tazz:

Edited by Ungoliant, 24 January 2006 - 03:10 PM.

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