Question : Problem: 680i/Kentsfield Q6600-only 2 of 4 Cores Enabled

Above referenced combo is 1 yr old.  BIOS shows all 4 cores correctly - however Windows Task Mgr, CPU-z and Sisoft only show 2 cores.

How can I enable the remaining cores in Windows?

Answer : Problem: 680i/Kentsfield Q6600-only 2 of 4 Cores Enabled

glad you got it.. the task manager is fine now ?