1.95 usable memory

Hello i got a core 2 duo 2.66ghz running windows 7 64 bit. I got 2x2Gb ram: one is kingston the other is supertalent, but both are 800mhz and 2gb. why is it showing 4.00Gb(1.95 usable) ?
please help.
5 answers Last reply
More about usable memory
  1. What video card? Some onboard video grabs RAM. My guess is something along those lines... to actually figure it out we probably need a full system breakdown, it will most likely end up being some mother board component using the RAM.
  2. i have nvidia 8500GT, do u think the problem isnt that im using to different memory brand? when i go to bios the memory sequence isnt the same even.
  3. 32bit operating systems only use a maximum of 3Gb as they can not address more than that. only a 64Bit OS is capable of using more than 3Gb RAM. However this does not account for the missing 1.05Gb! - Just noticed you wrote Windows 7 64Bit!
  4. 2.05 missing and i am using 64bit os
  5. Nice maths on my side eh!
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