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Cant install 4GB ram on my asus a8v-vm

Last response: in Motherboards
August 20, 2010 6:58:45 PM

I can't install more than 2Gb of RAM on my ASUS AV8-VM when I add another 2 Gb the PC won't boot. Both sets work on their own and I've installed them as matched pairs.
Any ideas
a c 111 V Motherboard
a b Ĉ ASUS
August 20, 2010 7:24:26 PM

Have you installed one module in either slots?


DIMM0: Occupied
DIMM1: Unoccupied
DIMM2: Unoccupied
DIMM3: Unoccupied

DIMM0: Unoccupied
DIMM1: Occupied
DIMM2: Unoccupied
DIMM3: Unoccupied

etc, etc
August 21, 2010 7:55:26 AM

Not yet but I'll give it a try
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August 21, 2010 8:56:27 AM

Slot 1 boots ok, slot 2 boots ok, slot 3 no boot, slot four no boot, slots 1&2 boots ok.
With slots 1&2 filled, Putting an DIMM in the 3rd slot no boot, 4th slot no boot, 3&4 no boot.
I've done this with each Dimm and get the same results.
a b V Motherboard
a b Ĉ ASUS
August 21, 2010 7:04:39 PM

What is the manufactures recomended voltage? have you tryed to up it?
September 11, 2010 10:15:44 AM

You can't change the voltages on the board
a b V Motherboard
a b Ĉ ASUS
September 11, 2010 1:11:55 PM

Is that the Asus A8V-VM ? If so In the BIOS with the AI overclocker tune set to Manual you should be able to change the voltage under advanced / jumper free config / ddr ref voltage it is on pages 2-17 and 2-18 of your manual.