My RAM drops after inserting more?!

Wiserat

Reputable
Oct 7, 2016
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4,530
First let me say, "This is the best forum site on the face of the planet!" Thank you... moving on:

So I know Windows XP only recognizes up to 3.5 GBs of RAM, what I don't understand is that I installed 2 extra GBs of RAM into my Dell Precision 390 just for fun (I had two 1 GB cards laying around the house), and now XP systems menu says I only have 3.0 GB? My BIOS reads 6 GBs ( 2 x 2GB chips and 2 x 1GB chips), so did I actually lose RAM by adding more? I just recently installed a Radeon HD 7770 GPU into my Dell XP (I use it for older games), so could the 7770 be stealing RAM... and if so that's a good thing, right? I just want to know why System menu shows a drop of .5 RAM? Why wouldn't it just stay the same at 3.5?
 

Wiserat

Reputable
Oct 7, 2016
29
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4,530
But if I take my 2x 1GB sticks out and leave the other 4 GBs in there, it jumps back to 3.5 GB of RAM even with the 7770 still installed?! So does this mean the 7770 only takes RAM if it sees extra unusable RAM?
 

Tamer_7

Commendable
Nov 1, 2016
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1,510


 

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