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System Boots 1 Stick RAM, Will NOT Boot with 2 sticks Ram

Last response: in Memory
June 4, 2011 10:24:20 PM

Just got new parts. Putting comp together. System cycles on 3 seconds, off 3 seconds, repeat with DDR3 Ram in Slots 1 and 3. Either Stick of ram in slot 1 can boot system. Anyone have any ideas what my problem could be?

The Ram is 1866 and the board only supports 1600(OC)/2133(OC), could that be a problem? I thought it would just downclock 2 sticks to 1600? When I boot with 1 stick it says its running at 1600. with voltage at 1.47. Please help.

G.SKILL Sniper Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1866 (PC3 14900) Desktop Memory Model F3-14900CL9D-8GBSR

MSI P67A-GD65 (B3) LGA 1155 Intel P67 SATA 6Gb/s USB 3.0 ATX Intel Motherboard
a b } Memory
June 5, 2011 1:24:23 AM

If by slot 1 you mean the one closest to the CPU, you have the RAM in the wrong slots. Slot 1 should only be used if you have one stick of RAM or if you have four sticks of RAM.

Here's the way it should be with two sticks:
Slot1 (closest to CPU): Empty
Slot 2: RAM
Slot 3: Empty
Slot 4: RAM