New Build Memory Problems! Any ideas?

Spooter

Spooter

Spooter

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Joined
1 Aug 2007
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1,065
Hi all,

Just put together my new build and I have a strange memory issue.

System Specs

i7 860
Gigabyte H55N-USB3
Corsair Value 2GB DDR3 PC3-10666C9 1333MHz
Corsair Value 4GB DDR3 PC3-10666C9 1333MHz

The problem is Windows shows 6.00GB installed but only 3.96 GB useable. I am running Windows 7 64bit and the ram shows as 6GB useable in my AMD system. The ram also tests as fine.

I have tried forcing it to use 6GB of ram using MSCONFIG. I also have no onboard GPU so thats not the issue.

Its single channel ram but it should all be usable.

Any ideas?
 
Have you tried each stick individualy in the different memory slots?

Perhaps the 2GB stick doesn't work for some reason in that motherboard.

Perhaps one of the memory slots isn't working.

Perhaps that motherboard just doesn't like different sized sticks being used.
 
This seems to be a big problem...

Could I have a faulty memory controller in the i7 860 I bought from MM?

If I put both sticks of ram in the PC it will boot and the maximum amount shows as installed but only the memory from one dimm is usable. If I only put the ram in the second dimm the PC wont boot. The ram tests fine in another PC. If I put just one module in the dimm nearest the CPU the PC boot but only a small amount of ram is usable by the system. For example right now its showing as 4GB installed (1.86MB) usable.

:(
 
Think I have sorted it..

Reset cmos and PC booted with ram showing as dual in CPUZ and all 6GB usable.

Strange!

Hopefully thats the end of that.

Anyone got any recommended overclock settings for this board with the i7 860.
 
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