MacPro 1.1>2.1 pair Xeon X5365 only 6 cores


macrumors newbie
Original poster
Sep 2, 2009
Hello to all.
I changed 5130 to X5365. After the upgrade, my MacPro 1.1> 2.1 sees only 6 cores.
I changed the places of the CPU, dropped PRAM, but that does not help.
If I run only one CPU in the lower processor tray, the work only 2 cores with one and the other CPU.
If I run only one CPU in the top processor tray, the Mac does not start with one and the other CPU.
Communists are marked SLAED
I've tried to do all the operations with another couple CPU also SLAED, but the result is the same.
Guys, what could be wrong?
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macrumors 68040
Dec 7, 2009
Check if there any bent pins in CPU sockets.
Try to mix couples and see if it would change anything.
Matching pair isn't a must in MP.