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3.45GB usable with 6GB RAm in Windows 8.1 (64bit) help.

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November 21, 2013 10:58:34 AM

I have tried all the things to do like going to msconfig to untick the memory and max processors. I already switched the slots of my RAM and still I don't get passed the 3.45GB usable of my 6.00GB RAM.

Before I did an upgrade of my mobo. I had the Emaxx EMX-MCP61D3-iCafe with Windows 7 64bit as my OS and I was able to get the full 6.00GB RAM.

Now when I upgraded my mobo to the Asus F2A85-M LE since I upgraded my CPU to the A8-5600k APU, I installed Windows 7 and thats where I got a 3.99GB usable. I was fine with since I used dual graphics with my HD7750 with my A8 APU.

But now to get to the point, its really a waste to not use the extra RAM memory that I have.

I have a Kingston DDR3 2GB and an EMAXX DDR3 4GB RAM.

Any kind of help or other advises is really appreciated. Thank you. :) 

For more more information about my specs, please refer below:


Quote:
System Specifications
Processor (CPU)

Name
AMD A8-5600K APU with Radeon HD Graphics

Threading
1 CPU - 4 Cores - 4 Threads

Frequency
1406.69 MHz (14 * 100.48 MHz)

Architecture
Trinity (32 nm)

CPUID / Stepping
F.0.1 / 15.10 (TN-A1)

CPU Extensions
MMX, SSE, x86-64, AMD-V, AES, AVX, XOP, FMA3, FMA4

Caches
L1 : 64 KB / L2 : 4096 KB

Max. TDP
99 Watts

Temperature
56.1°C

Voltage
0.924 Volts

Type
Stock

Motherboard

Model
Asus F2A85-M LE

BIOS
American Megatrends Inc. - 5107 - 10/22/2012

CPU Socket
Socket FM2 (904)

North Bridge
AMD A55/A60M/A88 FCH rev 00

South Bridge
AMD A55/A60M rev 11

Memory (RAM)

Size
6144 MB

Type
DDR3-1339 - Single Channel

Frequency
669.9 MHz (3:20)

Timings
9-9-10-24

Slot #1 Module
Kingston - 2048 MB (10700)

Slot #2 Module
Noname - 4096 MB (10700)

Graphic Card (GPU)

GPU Type

VRAM Size
512 MB
GPU #2 Type
AMD Radeon HD 7700 + HD 7560D Dual Graphics

Miscellaneous

Windows Version
Windows 8.1 (6.3) 64-bit

Windows Subver
(Build 9600)

CPU-Z Version
1.67
a b } Memory
November 21, 2013 11:13:24 AM

It could be that the memory channels are just not seen properly. Basically you should use the same sized memory modules in the slots. So probably if you had two 4 GB modules the machine would correctly see 8GB of it.
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November 21, 2013 9:45:40 PM

rvilkman said:
It could be that the memory channels are just not seen properly. Basically you should use the same sized memory modules in the slots. So probably if you had two 4 GB modules the machine would correctly see 8GB of it.


How to set the channels properly? I apologize for this stupid question, this is really basic for us enthusiasts, it's only I'm not really good with setting it up in bios and stuff. My apologies. xD
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a b } Memory
November 21, 2013 10:27:53 PM

You can't with the current hardware. You would need a 2nd 4GB memory module like the other one.
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November 22, 2013 12:33:49 AM

Is there an explanation why I was able to get the full 6.00GB ram with my previous motherboard? EMX-MCP61D3-iCafe. I was using Windows 7 64bit at that time.
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Best solution

November 22, 2013 11:46:55 AM

Your ram is single channel and that motherboard is designed dual. Probably a compatibility issue.
http://www.asus.com/Motherboards/F2A85M_LE/#specificati...
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