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    SuperMicro X7DBE dual Xeon dont see 2. CPU -HELP-

    I have two Super Micro X7DBE S771 dual Xeon MB with two E5430 Xeons on each board .On each board is 8x2GB of RAM all slots full. The problem is that MB don't see second CPU. When it starts there is message 1 of 1 CPU enabled , but few days it was 2 of 2 CPU enabled. When I switch CPU in socket...