Can't set lower AGP speed for ATI Radeon 9800 Pro AIW?

[ANTant]

Hello. I am trying to set lower speed for AGP for testing purposes, but
it doesn't seem to work. In ATI Catalyst v5.2's driver options, I have
8X and none. I cannot pick 2X and 4X. In BIOS, I can do 8X or 4X. 8X is
what it is. Windows XP wouldn't let me back in with 4X. During XP's
loading screen, it was corrupted. Also, my Samsung 17" SyncMaster 763 MB
CRT Monitor went to sleep (light blinked). I had to use 8X to get in
Windows. Is there a reason why this happens?

Shouldn't I be able to set lower speed without problems? I am using ASUS
K8V SE Deluxe (v1005 firmware -- latest) and Windows XP Professinoal SP2
(all updates).

Thank you in advance.
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[First of One]

Did you disable the ATi SmartGART function through MSConfig or Services.MSC?
If you did, then Windows won't be able to detect the new AGP speed if you
set it lower in BIOS.

 

[ANTant]

Did you disable the ATi SmartGART function through MSConfig or Services.MSC?
If you did, then Windows won't be able to detect the new AGP speed if you
set it lower in BIOS.

Ahhh! I will try that. Yes, it was disabled.
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[ANTant]

Did you disable the ATi SmartGART function through MSConfig or Services.MSC?

Ahhh! I will try that. Yes, it was disabled.

Actually, it is not disabled. Its service says Automatic. I try to start
"ATI Smart" and it says: "The ATI Smart service on Local Computer
started and then stopped. Some services stop automatically if they have
no work to do, for example, the Performance Logs and Alerts service."

Any ideas?
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[First of One]

"Automatic" is the default setting for ATiSmart. It loads at Windows startup
to check the AGP capability, then unloads itself.

I'd chalk this up to a quirk in the ATi- or VIA 4-in-1 drivers. Have you
tried disabling AGP altogether, either by selecting it in BIOS or by
reducing the AGP aperture to something like 4 MB?

 

[ANTant]

"Automatic" is the default setting for ATiSmart. It loads at Windows startup
to check the AGP capability, then unloads itself.

I'd chalk this up to a quirk in the ATi- or VIA 4-in-1 drivers. Have you
tried disabling AGP altogether, either by selecting it in BIOS or by
reducing the AGP aperture to something like 4 MB?

Not yet. I am trying disabled fast write (BIOS and driver). So far,
no crashes for two hours of gaming the last two days.
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"When an ant gets wings, it loses its head." --Bosnian Proverb
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