What does installed memory 4 00GB (3 00GB usable) Mean? Tags: Chipsets Windows 7 Memory Motherboards Last response: September 7, 2010 1:55 AM in Motherboards Share Anonymous a b $ Windows 7 a b } Memory a b V Motherboard September 6, 2010 7:03:54 PM Hello, what does installed memory 4 00GB (3 00GB usable) Mean when I'm actually running windows 7 professional 64bit? More about : installed memory 00gb 00gb usable Emperus a b } Memory a b V Motherboard September 6, 2010 7:21:15 PM Are you running on onboard graphics.? In that case, 1GB of your system memory may have been reserved by the onboard video chipset to be used as video ram.. Thus the resulting amount of system memory left for the OS to use will be 3GB.. m 0 l Anonymous a b $ Windows 7 a b } Memory a b V Motherboard September 7, 2010 1:55:40 AM Thanks, I think that might be it. It says my I have a GeForce Go 7950 GTX total available Graphics Memory is 1791 MB Dedicated Video Mem 512 MB System Video Memory 0 MB Shared system Memory is 1279 MB m 0 l Can't find your answer ? Ask ! Publish Related resources Installed memory (ram) 12 0Gb (4 00Gb usable) Forum What does it mean when my computer has 6gigs of ram installed but only 3 usable Forum Solved"Installed memory(RAM): 8.00 GB (3.12 GB usable)" , what does this mea Forum Solvedwhat does B3 or B4 means in memory? Forum SolvedInstalled memory: 4.00GB (3.00GB Usable) Forum New Heatsink/fan installed, memory now shows 3.9 usable of 8 GB RAM installed, 4.1 hardware reserved (Windows 8.1) Forum Installed memory 4GB (3.00 Usable) Forum 4GB Installed, 3.88GB Usable Memory? Forum Solvedi have installed 6gb of ram one 4gb 1600mhz and another 2gb 1600mhz my pc shows total memory installed 6gb but only 3.88 usabl Forum Solved7GB memory installed (3.25GB usable) Forum SolvedWindows 7 64 Bit 4GB installed but only 3.48 usable Forum SolvedWhat does the voltage on a memory chip mean? Forum SolvedIn Win7 32-bit installed memory 4GB (932 MB usable) Forum Solved12ms, 4ms (GTG) What does this mean? Forum SolvedInstalled Memory (RAM): 12.00gb (3.25gb usable) Forum SolvedJust installed 8gb ddr3 and only 4.9 is usable.. Forum SolvedWhat does AM3+ Mean Forum Solved"Installed Memory (RAM): 8.00 GB (3.96 Usable)" Forum Solved4 gb installed but only 3.5 usable in 64 bit windows 7 Forum Solved4GB RAM installed, 3.12 > 2.75 usable Forum More resources Read discussions in other Motherboards categories BIOS Boot Chipsets ASRock Asus Chaintech DFI Elitegroup FIC Foxconn Gigabyte Intel MSI-Microstar !