*SOLVED* Two cores after upgrade from E5200 to Core 2 Q9550

[Uptown_J]

All-

 

I recently upgraded my CPU from a E5200 to a Q9550 on a GA-EP45-UD3L rev1.0 (BIOS F9). It had been running find with 10.6.2 on the computer but now I have had to make some changes. Among them Power management kext had to be disabled (it was fine in the past)

 

I can get 4 cores with a fresh install of MS Vista (shudder) but I would prefer to have all cores in MacOS X 10.6.2. I have tried every method of cpus=? but it still does not give me more than 2 cores and only half of the L2 cache.

 

I have reset the BIOS, updated the BIOS, remade my DSDT.aml file and even rerun the kext utility hoping something would make this work.

 

Aside from a clean install, is there anything I can do to get all four cores recognized?

 

Thanks in advance,

 

J

 

[Uptown_J]

Well I fixed it. I ran a clean fresh install of Snow Leopard on a spare drive using the Kakewalk method. This by far was the easiest I have ever used to do a vanilla install of OS X. (The hard part was making myself read each step in the install fully. Following instructions is important!)

 

Anyway, I got all four cores to work. So I decided to do a dirty install over my existing drive just for the sake of time. I will do a clean install later. I just need my computer up and running. I got all four cores working now.

 

Thanks to the guys at Kakewalk for making a great installer!