Patches-
OK, now I'm getting about 7000k like you and figured out why it was low before. If I run the BC CPU app then start Diablo I only get about 2000k. Even if I kill BC Diablo never climbs. I have to reboot and start Diablo and never start the BC client and then it gets 7000k.
Did you find the same thing?
Odd thing is that this isn't a problem on the MB with the 320.
Strange.
Thanks for the info!
No, I don't seem to have the same problem. I upgraded to the latest DiabloMiner (as per slush's request) and had it humming along at about 7000k. I stopped it, and then started generating bitcoins on the official client (v0.3.19). I then restarted the DiabloMiner and was getting about the same khash/sec with the DiabloMiner as before.
I didn't run the test for very long, but my quick attempt wasn't able to reproduce what you are seeing.