Only using 8 out of the 16gb of ram.

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ibeecrackin

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Jun 29, 2014
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I am using new 16gb G.Skill Ripjaws but it says im only using (7.90gb usable.) I remember this happening before but all I had to do was install windows home premium. (which I have now). Any other ideas why this might be happening?

Gigabyte z97-HD3 motherboard
i5 4670k cpu
16gb G.Skill RipJaw Ddr3 Ram
700w Coolermaster Silent Pro PSU
 
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JackNaylorPE

JackNaylorPE

Titan
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Oct 30, 2004
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It's in the MoBo manual....page 10

Dual
Channel
Memory
Configuration
This motherboard provides four DDR3 memory sockets and supports Dual Channel Technology. After the
memory is installed, the BIOS will automatically detect the specifications and capacity of the memory. Enabling
Dual Channel memory mode will double the original memory bandwidth.
The four DDR3 memory sockets are divided into two channels and each channel has two memory sockets as
following:

Channel A: DDR3_2, DDR3_4
Channel B: DDR3_1, DDR3_3

Due to CPU limitations, read the following guidelines before installing the memory in Dual Channel mode.
1.
Dual Channel mode cannot be enabled if only one DDR3 memory module is installed.
2.
When enabling Dual Channel mode with two or four memory modules, it is recommended that memory
of the same capacity, brand, speed, and chips be used and installed in the same colored DDR3
sockets. For optimum performance, when enabling Dual Channel mode with two memory modules,
we recommend that you install them in the DDR3_1 and DDR3_2 sockets
Click to expand...

Picture on page 4

http://download.gigabyte.us/FileList/Manual/mb_manual_ga-z97%28h97%29-hd3_e.pdf
 
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