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  #1 (permalink)  
Old 04-24-2008, 04:17 PM
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Default Adding Ram!

Hi guy's,
my first post so please be gentle.

Can anyone on the following problem;-
My PC came with 2x1 gig of 8500 ram, which i want to upgrade to 4x1gig. I have now bought the other 2 gig(same type,same make). I installed it into the two free slots and started up my pc. It wouldn't post past the the Asus load screen, and i can't get into the bios. It just hangs!
I have taken out the 2 sticks that came with the PC to see if the new ram was faulty, but it booted up and is running fine.

Can anyone give me a few pointers of things to try?

Regards
craig

My specs;-
Q6600
Asus P5N-D
2gig 8500 ram
8800GT
Tagan 700
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Old 04-24-2008, 04:29 PM
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Hi Craig

Welcome to Free PC Help

I'll investigate this further but try your old ram in slots 1 and 3 then insert your new ram in slots 2 and 4.
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Old 04-24-2008, 05:05 PM
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Hi wolfey thanks for the quick reply!
Just to clarify;-
When i got the PC it had ram in slots 1 and 3, i obviously put the new ram in slots 2 and 4. After the PC wouldn't startup i took the old ram out of slots 1 and 3 and left the new ram in 2 and 4, and it's working fine. It's only when all 4 slots are taken up that the problem exists.
I have already tried the old ram in slots 2 and 4 due to a problem with the pc when i got it, it worked fine!! The previous problem was due to an overclock which has now been removed!
Does this help?

Thanks again!
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Old 04-24-2008, 05:47 PM
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XP or Vista?
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Old 04-24-2008, 06:06 PM
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Vista 32 bit and yes i know about only 3gig showing
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Old 04-24-2008, 07:54 PM
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Do you know for sure that the machine supports 4 GB RAM? I use Memory upgrades, flash media, and usb storage at Crucial.com for my RAM facts and purchases.
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Old 04-25-2008, 04:23 PM
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According to the motherboard handbook it supports upto 8gig.
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Old 04-25-2008, 04:38 PM
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Scan your system Craig by running this from Crucial like Kelly suggested.

Memory upgrades from Crucial.com - About Crucial:Media Toolbox
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Old 04-25-2008, 04:57 PM
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Well it's obviously an incompatibility issue if you can't get into BIOS with that RAM installed.

Just because a MB supports 8GB of RAM it has to meet specific criteria. Visit the ASUS Website and confirm what RAM is supported by the MB Asus is often very specific about what RAM you can use that has been tested with the system and often RAM purchased Online is of a cheaper nature and does not work properly with a lot of MBs.
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Old 05-27-2008, 12:43 PM
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Get the latest BIOS for the board and try again and if that doesnt work you will need to set the timings and the voltage of the RAM differently remember that if you are using more RAM sticks then they will require more voltage to make them all run..........
If for an example you are running the 2GB at 5-5-5-15 and 42 tRAS
you will NEVER get that speed with 4GB you need to drop it 4-4-4-12 and you may get away with 42 tRAS but may have to up it to 52
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