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Is this normal? I have 8GB (only 7,89 usable) - Windows 7 x64

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November 14, 2013 10:24:43 AM

As the title say I have 8GB (2x4) on my new PC installed. But in My Computer properties only 7,89 are shown as usable. Is this normal? I have 3GB GPU.

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a b $ Windows 7
a b } Memory
November 14, 2013 10:30:21 AM

Yes, the system will reserve resources. If you have a CPU with integrated graphics still enabled it will also use some memory.
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November 14, 2013 10:34:40 AM

Yes, I have i5-4670K. But I have connected my monitor cable to my R9 280X.
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November 14, 2013 11:54:55 AM

Guys, disabled the Internal Graphics in BIOS and all 8GB are usable now. :) 
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November 15, 2013 10:43:11 AM

Going off-topic here as the prob seems to be solved. I have no idea about this but do desktop pcs have anything similar to Nvidia optimus? If so, that internal graphics might save a lot of power.
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a b $ Windows 7
a b } Memory
November 16, 2013 7:25:05 PM

I believe some motherboards offer a feature that can come in handy. The name varies from vendor to vendor. They will activate the video ports on the motherboard and enable a monitor to be run using the iGPU.

Not sure regarding switching to iGPU when on the Windows desktop, but about the last three generations of GPUs have their own low - power modes. My GPUs sometimes clock all the way down to 20Mhz - though usually 'idle' at 80Mhz.
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