Windy21

Sorry for another one is this 4gig of ram

Memory : 3072MB (1x2048 + 1X1024) 800MHz DDR2 Dual Channel

Captin

No that is 3gig of ram.

Also to use 4gig (2x2048) you will need to use 64bit windows of any flavour.

little_pob

Not just Windows, it's a limit of the 32bit system so Linux et al are affected too.

Windy21

Coming with Viesta premium (64 bit) is that ok

davidh

i have vista 32bit and i am running 4gb

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Regards davidh


love one and other

havelln

32bit os dont use more than 3gig so you got a gig just sitting there doing nothing
you could have 8gig in and it shows as working but it wont use more than 3gig in a 32bit os

little_pob

Since SP1 Vista has been able to 'see' 4Gb RAM. Prior to that it would probably only have shown up as 3.18Gb.

Whilst the OS can see your 4Gb it still cannot use all of it. A 32bit OS can only use upto 4Gb of address space, and the lower address spaces are allocated to other buses (e.g. PCI) before the memory.

For example; I build a PC with 4Gb RAM and put in a graphics card with 1Gb VRAM. Installing a 32bit version of Windows means I can only use the frist 3Gb as the first 1Gb of address space is allocated to the graphics card. I would 'lose' another 1Gb of RAM as, since XP SP2, Windows reserves 1Gb for itself. Meaning that the most a program would have to use on that system is 2GB regardless of whether I install 3GB or 4GB.

However, the 64bit OS versions don't have it all their own way. 32bit software (e.g. Photoshop) can only access 3GB RAM anyway.