Nov 10 2008

When Does 4 Equal 3.5?

Category: PersonalChrisM @ 5:19 am

I was reading up on Windows Vista the other day (Ira’s laptop had it installed when we bought it last year), and I was surprised to find out that even with Service Pack 1 installed, 32-bit flavours of Windows Vista can only address up to 4Gb of memory. SP1 means that the amount of system memory is now correctly reported, but the amount of available RAM is unchanged. Because of the 4Gb limit including your graphics card’s memory and the other addresses used on your motherboard, you are not likely to be able to use much more than 3.25-3.5Gb, no matter what RAM you physically install, unless you move up to 64-bit flavours!

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