I looked in MS KB but didn't find that - thanks.
The mboard is an ECS K7S5A with an onboard fast ethernet adapter(used with a cable modem), AMD XP1600, ABIT T200 video card, Creative Audigy Gamer audio card,Western Digital 40gb HDD, Toshiba DVDROM and Sony CDR-RW, FDD.
Have power management set to: Power Schemes - Always on, Turn off Monitor - after 30 mins, Hard disks - after 30 mins, System Standby - Never.
Hope this is enough info. Ian