mttc wrote:
> Gigabyte EX58-UD4 Board, Clean XP SP3, disconnect from network.
>
> When I play mp3 with Microsoft MediaPlayer, the XP clock start lagged
> about 3 sec per Minute! This happen only if EasyTune tools is also
> running (Gigabyte board tune tool).
> I try to play with VLC, and I not see any lagged.
>
> I try it again on win7 clean install and I got the same. I try also to
> replace the Power Supply or use with one Stick of memory. but all the
> same.
>
> Any Idea please?

Pretty simple. Stop using EasyTune.

A potential mechanism to screw up a system clock,
is described here.

http://en.wikipedia.org/wiki/System_Management_Mode

"and cause clock ticks to get lost"

Just a guess,
Paul