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RAM Problem

post #1 of 2
7/29/06 at 12:00pm
Thread Starter 
Hi all,

I own an D870P (8790) with 3.4 Ghz an 1024 MB Ram.

Today I´ve started the notebook like always and I only got some beeps...
After a while, I´ve found out that the system memory must be defect. I´ve
2x512MB installed. First I´ve checked if the one of these memory modules are
defect - one was defect. If checked with the ok memory module the two memory slots and the 870 works fine...
Ok, lets buy a new module...
I´ve installed the new memory and I had the same beep...

The new memory module works fine if I remove the "old" one...
The new one is a CL3 and the "old" one is an Cl2.5.

Does anybody know if these error maybe comes from a defective mainboard
or controller ???
Or is it possible that the memory modules are incomatible...

Sorry for my bad english.

Thanks in advance
The Fan
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post #2 of 2
7/29/06 at 1:36pm
it s more likely due to ram incompatibility than anything else. it is not good to mix CL modules, unless the larger CL module can clock down
http://www.notebookforums.com/thread121534.html is a good read regarding mixing/upgrading ram

cheers ...
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