errors at 401mhz on 9800pro

[restless]

i just bought i new system and now i'm giving this atitool prog a try.

problem is i have a sapphire ati radeon 9800 pro and when i do max core then it starts giving errors at 401 mhz :s i mean this is not that high?? what is up with that? :(

my system:
amd64 3200+
msi k8n neo2 platinum
sapphire ati radeon 9800pro

[zealot`grr]

your card is not a good overclocker, $hit happens :/