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Adding more RAM makes my computer run slower

I started off with 1 gb Corsair XMS (2 X 500 PC3200) in my Asus P4C800-E motherboard with 2.4P4 CPU. Everything was fine until I added an additional 2 GB (Corsair Value Ram 2 X 1GB PC3200) in the remaining 2 slots. Now I see a noticable difference in all my apps - very slow!
What could be the reason? I am running Windwos Vista 32-bit.
Could it be the way the RAM is ordered in the slots? The sequence is
Value(1gb)/XMS(500mb)/XMS(500mb)/Value(1gb).

Thank you!

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Shouldn't mix RAM types

In reply to: Adding more RAM makes my computer run slower

Pull the original module and run with the two new ones and see what happens. You're RAM timings will always be those of the slowest module.

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I have the same problem

In reply to: Shouldn't mix RAM types

About RAM. I have been using a 1 GB Kingston DDR2 RAM with a 512MB DDR2 RAM (comes with my laptop), but things seem to slow down as time goes by. I have been figuring out since, whether is it the processor problem, or is there not enough space (there's approximately 15% of hard drive space now). Glad to find this thread & figure out the real problem.

Anyway, to my question to Steven's suggestion. How similar must the 2 new RAM cards be? I am deciding whether to get another 1GB of RAM or perhaps a 2GB one. Hopefully someone can advice. Thank you.

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Just so you know.

In reply to: Adding more RAM makes my computer run slower

More RAM does not mean 'faster' PC. After some point the payback diminishes. For example, XP's sweet spot is 1.0GB. Vista appears to be 2.0GB and we happily ran Windows 2000 and NT 4.0 on 512MB.

More does not mean faster.
Bob

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Re:

In reply to: Just so you know.

Thank you for your help!
I removed the old modules and now it appears much faster. Also, i believe i had the order wrong. The colors of the slot are now matched to the same ram type.
Thanks!!

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More RAM - slower boot times on Vista

In reply to: Adding more RAM makes my computer run slower

One more point - more RAM will slow down Vista boot times due to the way Vista uses RAM (a more technical explaination is avaialble if you want).

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Only a test will tell.

In reply to: More RAM - slower boot times on Vista

Given how 2 machines are never identical in all ways you need to benchmark each one. While Vista does change memory use and how it optimizes the boot process so that the first boot time is never repeated the sweet spots for Windows 98, XP and Vista appear to be 0.5, 1.0 and 2.0 GB of RAM.

I wish there was a repeatable answer but this is Windows and no one installs the same things.
Bob

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512OR 1gb

In reply to: Adding more RAM makes my computer run slower

this is occurs due to using oftwo 512 and two 1gb rams
remove 512 rams and insert 1gb in channel 1 and channel 2.
then it works better

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This have been left for so long... I missed the last reply

In reply to: 512OR 1gb

Anyways, I'm sticking to the 1GB/2GB RAM combo. I won't be using it anyway after a few months. Thanks guys for the suggestions, & I think next time I'll stick to RAMs with the same size.

Anyways, I'm gonna find out if 1 2GB can do the job alone.

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My PC is slow

In reply to: This have been left for so long... I missed the last reply

Hey can you help me me i just replaced my 512mb ram with a 1gb ram. Any clues as to why my pc is still really slow. And my Hard drive has about 77% free space.

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Sure can help ...

In reply to: My PC is slow

But it would be advisable for you to start your own thread rather than add to this 3 years after it was last posted to.

One reason your pc is "still really slow" is that DOS and Win 3X and Win 9x simply can't use that much RAM and ignores it. Now, if your OS is something other than that you might consider filling us in so we don't have to guess.

Opreating Systen (as well as version and Service Pack level), make and model as well as processor and applications used are helpful bits of information that help us provide more specific assistance.

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thnx

In reply to: Sure can help ...

yeah i know but i just didnt know but i will let you in on some info later i am currently on a different pc.

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