Thank you jhites and computer!!!
I did what you tell me and below are my new specs:
Computer #1, with the Corsair TwinX 1024-3200LL, running at 213FSB, timing are 2-2-3-5-4, Inf, 64uSEC, 1.550V, 2.75V, 1.70V, Performance mode- auto, PAT-enabled. I try 2-2-2-5-4, but it seems impossible, I...