ASUS P5N-E Sli 4 ram slot usage, help plz ;(

daralzand

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Apr 9, 2009
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hi guys.

Operating System: Windows Vista 64x™ Home Premium (6.0, Build 6001) Service Pack 1 (6001.vistasp1_gdr.080917-1612)
Language: English (Regional Setting: English)
System Manufacturer: System manufacturer
System Model: System Product Name
BIOS: Phoenix - AwardBIOS v6.00PG
Processor: Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz (4 CPUs), ~2.4GHz
Memory: 4094MB RAM
Page File: 1473MB used, 3559MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 10

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Display Devices
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Card name: NVIDIA GeForce 8800 GT
Manufacturer: NVIDIA
Chip type: GeForce 8800 GT
Display Memory: 2795 MB
Dedicated Memory: 1004 MB
Shared Memory: 1791 MB
Current Mode: 1440 x 900 (32 bit) (60Hz)

OK so i bought this pc about a year ago and it works fine. but i have another 2 slots for ram so i might as well use them. This mobo supports up to 8GB of 800mhz DDR2 ram. so i have got 8GB brand new OCZ DDR2 6400 ram right now, but when i try to install more then 2 sticks of ram the pc wont boot. here is what i have tried. here is the layout of the mobos ram slots and what i have tried and tested to try and sort this out-

1x blue ram slot
1x yellow ram slot

1x blue ram slot
1x yellow ram slot

Test1: swapped out all 4 modules in first blue ram slot - all work fine
Test2: 1 module in each of the blue ram slots - all work fine
Test3: 1 blue and 1 yellow slot filled - pc wont boot up, it powers up but monitor wont even come off standby.
Test4: 1 blue, 1 yellow, 2nd blue ram slot filled - same result as above
Test5: All ram slots filled - same result as above ;(
Test6: single module in a yellow slot - wont work...wtf???

ok so i have confirmed that all 4 ram modules are working fine and dandy. but it seems that when i try to use the yellow outlined ram slots the pc just refuses to boot up at all.

any ideas mates?
 

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