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computer ram Answered

i have a laptop that has 1gb of ddr2 ram splitted in 2 512mb bars, would it be possible if i had another ddr2 bar of 1gb to replace only one of the 2 512mb bars to make a total of 1.5gb of ddr2 ram? the cpu is a intel celeron M running windows xp

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MacroPower

Best Answer 7 years ago

As long as they are both ddr2, go ahead and try it! Nothing could go wrong. If the computer fails to boot then just pop the old stick back in.

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Mike73MacroPower

Answer 7 years ago

+1
I did this in my old laptop. If you don't mind having an odd number for memory size ;-)
Not only the computer may restrict the memory size you can use, but also your OS. Older versions of windows couldn't handle more then a certain amount of memory. So the memory showed up while the PC was booting, but windows wasn't using it.

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MacroPowerMike73

Answer 7 years ago

You can get around windows not using the RAM... Although from what I have heard it is not very easy. Basically what you do is set the RAM to be used as a disk, and then have windows use the disk as virtual memory.

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pbergeronronronron

7 years ago

so i chatted with an expert from www.memoryupgrade.ca he said it should work(for my acer aspire 3680) no problem with unmatched memories and unmatched speeds(the os will set the lowest as default for both),

so i tryed it and it works,

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thegeeke

7 years ago

Actually, it probably will not work. Normally you have to match exactly all specs in ram, or it might backfire. It can't hurt to try it (if you have the money), but you would be better off to switch to 2 gb with two 1 gb sticks. It also depends on what bit os you are running. If you are using XP, I would guess 32-bit, although, I have seen 64-bit. 32-bit allows for addressing of no more than 4 gb.

All in all, I agree with orksecurity (hey look! We agree on something!!!) :) Look up the user manual.

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orksecurity

7 years ago

Check your laptop's specs. Some machines require matched memory modules, some don't. And some of the older ones may not support more than 1GB total.

You can usually download a copy of the user's manual from the manufacturer's website. It should contain the answer you're looking for.

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seandogueorksecurity

Answer 7 years ago

+1

Note that some manufacturers require very specific modules as well, regardless of how much they will take, so it's important to check with the mfg to ascertain the correct modules for your motherboard.