USB and Video Sharing Same IRQ - Help!

Spagina

Senior member
Dec 31, 2000
565
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I'm having a problem with my video card in 3D applications. Namely a lot of crashes and hangs, thus the name of my rig down in my signature. I'm running Windows 2000 Pro and as I went through the IRQ List, I noticed that the video card and the motherboards USB were both sharing IRQ 10. I've tried everything to fix the crashing in 3D games and I'm thinking now that this shared IRQ between the USB and video may actually be the culprit.

I have one problem though, I don't know how I would go about changing the IRQ of either the video or USB short of disabling the USB IRQ in bios. If anyone could let me know how I could change the IRQ of either the video or USB in Windows or BIOS, please let me know. Here are my relevant computer specs...

AMD 1Ghz T-Bird @ 1Ghz (Not overclocked.)
MSI Kt7-Pro2A w/ v2.7 BIOS
Visiontek Geforce2 GTS 64 MB w/ v12.90 Beta Drivers (Driver version irrelevant, video has crashed with every Nvidia driver known to mankind and probably beyond.)
Hercules GameTheater XP w/2.02 Drivers
512MB Ram
WD 40 GB 7200RPM
Windows 2000 Pro SP2

If you can help me with this problem, I would be forever thankful. Thanks for your time.
 

HansXP

Diamond Member
Jun 1, 2001
3,093
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0
This is normal. Under W2K on an ACPI system, every single PCI device shares one virtual IRQ. They don't actually share this, don't worry :)

Your problem sounds like it could be related to a faulty component, too much heat, or some faulty software running.
 

Spagina

Senior member
Dec 31, 2000
565
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0
Problem is, the system isn't ACPI. I disabled that first time I booted the machine. Every single component is on their own IRQ and I have no problems with them. But my video is the only thing giving me a headache now and I noticed that it and the USB shared the same IRQ, so its kind of intriquing me.