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Win2k ACPI and Overclocking

L

Link

Golden Member
If you overclock, do not run Win2k with ACPI. I know it lowers cpu idle temperature, but it also makes an overclocked system less stable when the cpu is overclocked!
 
okay... just performed the switch.... will let the forum knows the overclocking stability difference btw ACPI and non-ACPI system.

edit:
after 6 hrs of running rc5 and ud, my bp6 system @92 FSB didn't crash like it used to do

the perforamnce is noticibly better... rc5 (1 cruncher)is up from 1.5Mkeys to 1.53Mkeys and program startup and execution are faster.
 
take these steps

System properties
Hardware/Device Manager
Computer
Advanced ACPI (double click)
Update driver
Select "Display a list of known drivers...."
Select "Standard PC"
next
....

One important thing you must be aware of.. you can't just install ACPI again once it was removed.
 
Risky. OK to do that to switch between Standard and dual processor. But ACPI switch should be done with a repair install after turning ACPI on/off in BIOS.
 
I know people's experiences vary, but my system (VP6 2X700@933) is stable as can be. My only problem is some audio hiss, and I believe that is because of the Areal A3DXStream w/beta drivers w/SMP. Never a blue screen.
 
ACPI is a big steaming pile of doo-doo.

My system has been more stable and I've been able to overclock higher since I ditched it. You'll never want to go back once you get it up and running.
 
I'm with OBENTON on this one, risky. This is the correct procedure as per MS. This worked well for me. If you do it the other way you'll have no hopes of using "Load last known good configuration" after pressing F8 during boot-up. By following the procedure below, file trees are re-written to actually support Standard PC HAL. Think of the other way as changing your kids name, different name but the same kid.




The optimum method to change from an ACPI HAL to a Standard HAL is to re-install Windows 2000 as an upgrade:

1. Start Windows 2000 Setup as an upgrade.


2. To automatically disable ACPI support and allow Windows 2000 to detect automatically or manually change and install the correct (Standard HAL) computer type that your computer supports, use either of the following methods:

-To Auto detect the computer type:

Press F7 when Setup generates the following informational message:
Press F6 if you need to install a third party SCSI or RAID driver.
NOTE: You do not receive a visual indicator that auto detection is taking place when you press F7; proceed normally with setup until it is completed.

-To Manually Select your computer type:

Press F5, and then manually choose the correct Standard computer type by using the following list:


i386 source File Computer Type

*hal.dll Compaq SystemPro Multiprocessor or 100% Compatible
*halapic.dll MPS Uniprocessor PC
*halapic.dll MPS Multiprocessor PC
*hal.dll Standard PC
*halborg.dll SGI mp

 
Without ACPI I always had IRQ conflicts on my BP6 & VP6 both stable BP6-2X C366@550 VP6-2X P3700@1001
 
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