|04 Feb 2014||#1|
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AC'97 drivers randomly hang computer on my Win7 32 bit
Hope someone can give me a clue!
I have an HP OEM (Asus) P4SD-LA Yale motherboard which has the Realtek ALC650 chip for sound. It worked great under XP but since upgrading to Windows 7 it randomly freezes.
I have (after unfairly blaming my AGP card) traced this back to the AC'97 drivers: If I either uninstall the device drivers (and prevent from reloading on startup), disable the device in device manager or disable the device in the BIOS then the machine runs perfectly just without sound.
As soon as I load the v6305 Windows 7 drivers (or the A4.06 XP drivers in compatibility mode) then the machine will just freeze/hang at some point - usually within 2 mins of entering the desktop - forcing me to power off the machine and reboot into safe-mode to remove the drivers/disable the device again.
I've checked and the chip is using IRQ17 which is only shared with the 82801EB SMBus controller (24D3). All memory addresses and I/O are unique.
So, I know this is an old motherboard and yes, in an ideal world I'd upgrade everything but that's not an option at the moment. Has anyone else managed to get this to work on this MB (or the P4G800-V Asus ATX version using the same chip/BIOS). I've tried using both the HP v3.28 BIOS and the Asus v1011 BIOS but both exhibit the same trait.
Last night I managed to load the drivers as reported by windows update and ran the machine for five hours before it hung. Woohoo!
The only thing in the System log at the time of the hang was "The Windows Error Reporting Service service entered the running state" and then silence. Nothing until I forced a power-down and restart 15 minutes later. Is there any additional logging I can enable to watch the driver states?
Since uninstalling the AC'97 device from device manager the machine has been stable for over 12 hours. Has anyone seen this before or am I just odd
|My System Specs|
|05 Feb 2014||#2|
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So I've managed to keep the machine stable with audio for over 12 hours. The solution seems rather bizarre!
I've enabled the verifier.exe to watch only the RealTek driver (rtkvac.sys) as well as the ATI Radeon driver (atikmdag.sys) just to be on the safe side. So far - no verifier blue screen and the computer runs smoothly. Why would this keep the machine stable??
I will leave it like this for a while and if no problems will then remove the verifier to see if the problems return!
|My System Specs|
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