After 45nm Xeon DP core quad CPU upgraded to E0 stepping, Intel currently announced that two of the 45nm desktop Core 2 Duo CPU and one dual core Xeon CPU will also upgrade to E0 stepping. They are Core 2 Duo E8400/E8500 and Xeon E3110. New stepping CPUID will be changed to 0x1067A from 0x10676 and the changes mainly on power consumption, including:
Support ACNT2 functions
The new ACNT2 functions do not need to refresh BIOS to realize. Their S-Spec will change to E8400 SLB9J, E8500 SLB9K and E3110, SLB9C.
They will ship out at the end of next month.