Lets talk breaking the HTT 230 limit on k10 here

[Lightman]

just ran 3dmark 06

225x11
HT = 1125mhz
NB = 1800mhz

3dmark06 cpu scores is 3657,

normal or too low?

Normally good
If you crank NB a bit and/or memory timings/clock you can get even better (~+30/+100).