Win7 64-bit but doesn't utilize all the memory

I wonder 64-bit Win7 OS but doesn't see all 4GB RAM. I thought the mail reason to go with 64-bit to utilize over 4GB of RAM.
Thanks.
64bit-mem.jpg
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Tiras25Asked:
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David Johnson, CD, MVPOwnerCommented:
that is normal as you have something loading into memory before the operating system.
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Tiras25Author Commented:
Got it.  I guess it's a waste for me having 64-bit and less than 4GB of RAM.

What's Rating btw?  Why is mine 4.7 and yours 5.0?
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Run5kCommented:
Yes, you should be fine.  If you have a few minutes to spare, read the following article.  It does a good job of explaining the differences in memory utilization:

Clearing Up the 32/64-bit Memory Limit Confusion
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Run5kCommented:
You're referring to the Windows Experience Index.  It's essentially a hardware/software performance rating...

http://windows.microsoft.com/en-US/windows7/What-is-the-Windows-Experience-Index

http://windows.microsoft.com/en-US/windows7/products/features/windows-experience-index
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lruiz52Commented:
the missing memory is being used by memory mapped devices,  look in your bios for something referiencing memory map or memory hole and enable it.
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Tiras25Author Commented:
Got it.  Thank you!
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jamietonerCommented:
Do you have an intergrated graphics card? If sovthays whats using the ram.
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Tiras25Author Commented:
Yes I do.  This is a ThinkPad laptop sop must o be using an integrated.
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CallandorCommented:
>What's Rating btw?  Why is mine 4.7 and yours 5.0?

He has an i7-2600K and you have an i7-2620M - there's a big difference in performance.
http://www.cpubenchmark.net/cpu_lookup.php?cpu=Intel+Core+i7-2620M+%40+2.70GHz
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