A transistor driving the 3GB/s SATA ports is rated too low voltage and the motherboard is overvolting it. After a while the leakage current becomes too high and it fails, along with the whole 2-5 SATA ports.
i tink i wll poast another in the intel memory section just to be sure
ONCE AGAIN. You are about the 70th person to post this. No, SB CPUs are NOT affected. Only the Sata 3Gbs chipsets on about 15% of boards are faulty. No, they will NOT explode or catch fire, they will simply wear out faster than normal. Yes, Intel will be replacing those chipsets. Yes, using Sata 6Gbps ports completely bypasses this issue.
Okay? Enough is enough.