Win7 Professional x64 16GB (4.99GB usable)

Posted by Killrawr on Super User See other posts from Super User or by Killrawr
Published on 2012-10-03T03:46:09Z Indexed on 2012/10/03 21:43 UTC
Read the original article Hit count: 175

Filed under:

windows-7

|

64-bit

|

memory

I've installed Corsair Vengeance CMZ16GX3M2A1600C10, 2x8GB, DDR3-1600, PC3-12800, CL10, DIMM and my BIOS picks up that there is 16GB, Windows says there is 16GB, CPU-z says there is 16GB. But it only says I can use 4.99GB out of 16GB.

Motherboard is P55-GD65 (MS-7583)

Supports four unbuffered DIMM of 1.5 Volt DDR3 1066/1333/1600*/2000*/2133* (OC) DRAM, 16GB Max

Windows

windows

(Above screenshot specifies that I am on a System type: 64-bit OS)

CPU-z

cpuz

Microsoft says that the physical memory limit on a 64 bit win7 professional operating system is 192GB.

Dxdiag Run Command

dxdiag

BIOS Screenshot #1

ss1

BIOS Screenshot #2

ss2

Why is my OS limiting me to just over a quarter of the available memory? is there anyway to increase it?

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