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memory problems.

Posted on 2002-05-21
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Last Modified: 2013-11-10
Just added 128mb to current 256mb memory. Now the computer will randomly freeze, with no option other than to reset.
Im running win98SE and believe it has problems with memory over 512mb, but im only running 384mb.

MY system resources are normally around 65% free.

Does the position of the sticks affect i.e. 128 in the left slot etc?

System specs:
1.4G amd athlon
Elite k7s5a mobo
40g quantam HDD

The memory is recognised during POST screen and i ran a program 'memory doctor' that showed no errors with the memory.
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Question by:wides
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Ryan Rowley earned 600 total points
ID: 7024317
How many sdram cards and what are the sizes.
ie 3X128, 1X128 and 1X256

Try to reverse the order of the chips.
I assume that the original memory had no problems.

Try the new memory all alone.

Make sure that the cards are seated well.

It's possible that one of your sdrams is not performing well. Most likely the new one.

If you can narrow the problem down to just one sdram, then your problem can be solved by replacing the one sdram.

If no errors occur with the single sdrams all alone, then
the problem may be incompatible sdram mixing or your sdram slots.

There may also be non-sdram related problems that are just being revealed with the extra ram.

Test each individual sdram 1st.

What are the specification and manufacturer of your ram.
Are they PC100, PC133, Mixed Manufacturers? and so on.

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Expert Comment

by:Ryan Rowley
ID: 7024324
On order I place the largest and fastest 1st.
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Expert Comment

by:nfroio
ID: 7024329
From reading about your board, you are definately no where near your boards limit, your board should support up to 1GB of DDR SDRAM or SDRAM
   
>>Support for Two 184-pin DDR DIMMs and two 168-pin DIMMs  

The only things that I could think of, are either, the RAM is slightly defective, or not securely seated, and hence causing problems... have you tried a bank switch??

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Author Comment

by:wides
ID: 7024364
got one stick of 256mb & one of 128mb both pc133. I think the 256 s made by hyundai & the 128 by NEC.

I was having problems before with the reinstalling windows after formating and thouht it was a memory problem so i bought another stick. During the delay of the memory arriving the problems disappeared and it was running fine.

Im gonna try swopping slots etc and see what happens. Is there any bench marking or test programs anyone can rcommend??
 
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by:SysExpert
ID: 7024470
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Expert Comment

by:tmj883
ID: 7026082
Microsoft Knowledge Base
Q303045 & Q253912
These articles may help...T
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Author Comment

by:wides
ID: 7071828
turned out it was defecive ram, a program called burn in test found this,
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