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Mixing Memory 2100 and 2700

post #1 of 7
8/16/04 at 4:37pm
Thread Starter 
After reading aroud here on the forums, I see that the 6809 takes pc2700 memory. Will it mess things if I get a 200 pin PC2100? What about PC3200? I have an old 512 pc2100 on my old laptop, can i just move that over to the new lappy?
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post #2 of 7
8/16/04 at 4:43pm
you can put a 2700 in a native 2100 slot but not the other way around. so as far as i know. no.
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post #3 of 7
8/16/04 at 4:54pm
Quote:
Originally Posted by kustoo
After reading aroud here on the forums, I see that the 6809 takes pc2700 memory. Will it mess things if I get a 200 pin PC2100? What about PC3200? I have an old 512 pc2100 on my old laptop, can i just move that over to the new lappy?
Unless it is extremely high quality PC2100, most likely no. PC2100 is 266 MHz memory. Your machine runs memory at 333MHz. Even if the PC2100 is capable of running at 333MHz, it still may not work. The SPD information on the PC2100 most certainly instructs it to run at 266MHz. I don't know exactly how the m6809 BIOS will interpret this. With the lack of options, you can't tell if it is set to get memory timings from SPD, or just boot it to 333MHz no matter what the SPD info is.
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post #4 of 7
8/16/04 at 5:29pm
Actually it will work on your machine, it'll cause your front side bus speed to drop down to 266MhZ however to be able to handle it (thus causing you to take a hit in performance as the PC2700 stick would be forced down to 266 MhZ from 333 MhZ). For that performance loss alone I wouldn't recommend doing it.

Basically it'll bump down to the slowest speed installed. As such, also adding DDR PC3200 wouldn't really benefit you much to put in the PC3200 in there as it would be bumped down to 333 from it's native 400 MhZ.
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post #5 of 7
8/16/04 at 9:01pm
Thread Starter 
All is clear. I will just put the stick of 2100 on Ebay and buy a 512 of 2700. It only cost about 90 bucks around here for a stick of 512.
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post #6 of 7
10/18/04 at 3:07pm
anyone try any transcend 1 gig pc2700 memory?
i heard kingston might cause some problems is this correct?
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post #7 of 7
10/18/04 at 3:43pm
I haven't personally tried the Transcend, but some users here have and had success.
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