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ABIT VH6-II PS2 Mouse Buzzing

Interesting discovery:

I had a buzzing sound emanating from PS2 mouse movements on an ABIT VH6-II motherboard I had lying around. It has an embedded AC97 (or AC’97) audio card, and the sound frequency was proportional to the PS2 report rate I configured. I was able to kill it by muting the CD-Audio volume. The DVD-ROM I have attached isn’t attached to the sound input though. I might try that next to see if it’s an issue with ungrounded connectors.

This entry was posted on Wednesday, February 25th, 2004 at 6:53 pm and is filed under Uncategorized. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.

One Response to “ABIT VH6-II PS2 Mouse Buzzing”

  1. ethan Says:
    March 2nd, 2004 at 1:07 pm

    actually we had that same sorta MB noise on some of our machines, but as best as I could figure it was coming from something in the video card, and generating a low buzz on headphones/speakers. only happened with video accelerated stuff.