I've seen the same, I was able to get my XP 2000+ stable at 2.1 GHz with a low multiplier and a high bus...162 MHz and a 13x multiplier, whereas 15x and 140 MHz overheated it very quickly.
Originally Posted by Norrko
And the CPU temperature is 53 C at full load with 20 C ambient temperature.
Athlon XP 2000+ @ 2.1 GHz
Corsair TwinX 1 GB Matched @ 2-5-2-2 clocks (took me a while to get that!)
Gigabyte VIA KT400 Ultra+ (SATA Model)
2x80 GB Western Caviar SATA @ RAID 0
Plextor DVD+/-RW 12x (712A)
Norcent 52x32x52x CD-RW
2x Pioneer DVD +/-RW 8x
8 USB 2.0, 4x Firewire 400