got it- **embarassed**. Guess that is why I need you guys to learn this stuff.
ok downloaded the chipset drivers. I ran cpu-z which shows the chipset = mcp61, rev= A3. The bios is Phoenix Technologies LTD version 5.18 dated 9/5/07.
well played BC2 and got some lag but seemed smoother- even with the old 8600 card. So, next - switch out the card.