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Explain this ram problem to me

A

Agamar

Golden Member
I have an ABIT BE-6. I have 2 128M PC133 CL3 ram chips in slot 1 and 2 (out of 3). One was Apacer and one was Micron. I ordered 2 crucial PC133 CL2 256M sticks. My plan was to put the 256M crucial in the last slot, hoping to get 512M. My computer started really going bonkers. (I run Win2k). So, I take out the new 256 and pop in the other 256. Still same problem. I knew that both memory sticks couldn't be bad, so I took out both 128M sticks and left just the 256. Worked fine. I added back another 128M in slot 2. Problems. I move the 128 to slot 3, leaving a space between the 2 sticks of ram. Viola, it was working. I then took that 128M stick out and popped in the other 256 in its place and it worked. I now have 512M (Just not the way I wanted it).

Can somebody explain why this happened?
 
You can't mix CL2 and CL3 sticks together and not expect to run into problems.
But I can't explain why moving the 128MB stick from Slot2 to Slot3 solved your problem..
 


<< You can't mix CL2 and CL3 sticks together and not expect to run into problems. >>

Sure you can expect it. Just don't expect to be able to run them at CL2.
 
Then would it be because on Agamar's mobo the slot1 and slot2 are somehow wired together, and thus you can't mix CL2 and CL3 together?

Btw, Agamar, did you try this:
Slot1 - 256MB
Slot2 - 256MB
Slot3 - 128MB
 
Forgive me for guessing, but I think it is because that board has 4 memory channels, and the last 2 channels are on the 3rd slot. that would be why the memory works there and no where else.
 
Yep, I tried the
Slot1 - 256MB
Slot2 - 256MB

That didn't work either. I am leaning towards the memory channel theory, but, before I added the new memory, only slots 1 and 2 were filled. I am thinking the 256M strip is taking up more than its share of memory channels. Oh, and I have the MB set to run at CL3 only, so mixing the two wasn't the problem.. I played 4 hours of CS last night with no problems with the slot 2 empty and the slot 1 and 3 filled with the new 512M sticks
 
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