Friday, 22 December 2017

windows xp - RAM 512MB + 512MB = ~700MB. What happened?


I'm sorry I don't have all the data, because it's a problem a friend is having. He says he added another 512MB stick to his old computer and instead of showing ~1024MB, it shows 700-800MB. The difference seems too much to be a bit of space being taken by say, an integrated video card or something.


SO: Windows XP. PC: unknown, very old.


What can it be?



Answer



Booting into BIOS should show the true memory amount. Windows sometimes only (Don't recall which major versions do and don't) reports memory not reserved by BIOS. BIOS often dynamically assigns ram to an integrated video adapter based on the amount of RAM installed.


Have your friend enter BIOS and check there. The first page that comes up should show the amount of memory installed. There may also be an option to set the amount of RAM assigned to the video adapter.


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