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SubjectRe: whining noise - possible bug in nForce2 support?
At Mon, 26 Jul 2004 23:36:51 +0200,
Dexter Filmore wrote:
>
>
> Don't know who else to ask about this:
>
> Just upgraded my mobo to a ECS N2U400-A nForce2 board, standard MCP
> southbridge, latest BIOS.
> CPU is AMD Athlon XP 1800+, 2x256MB PC266 RAM.
> Kernel version is 2.6.7, tested distros are Slackware 10 and Knoppix 3.4.
>
> Board work alright so far, but as soon as I start a 2.6 kernel, the board will
> produce a high pitched whining sound.
> This doesn't happen with 2.4 or a wide spread OS from Redmond, only with 2.6.
> I tried test kernels without ACPI, APM and such, no success.
>
> Interesting thing: as long as the hard disk has something to do, the noise
> vanishes but returns as soon as the disk idles again.
>
> This is way beyond me. Anybody got an idea?

If you have 'IEC958 Input Monitor' switch on, try to turn it off.


Takashi
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