The bulk of the physical address space is allocated to primary memory in the form of DDR3 SDRAM, but IO devices and hardware systems tend to expose their functionality through a process known as memory-mapped IO. They are still limited, but to a much higher value. 64 bit editions of Windows and 32 bit server editions do not have this same limitation. Available memory is what is not being used at this moment in time, I dont know why that wasnt obvious to me.īut I still dont understand the total physical memory figure of 3.19GB?ģ2 bit consumer editions of Windows have their physical address space limited to 4GiB.
Graphics also takes a chunk, especially if its onboard graphics, aka using the cpu for display vs having a dedicated card.Īhh I see. I have 16gb memory in, 2 webpages open and ive only 9.4gb available. Windows a chunk, any antivirus including windows takes a large chunk. Well, anything that's running or in the background running takes away from memory.
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