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Resources on memory chip quality?

M

mikee

Senior member
I got the markings off my PC100 SDRAM (NEC Japan D4564841G5 -A10 -9JF) and wanted to get more information about the sticks. Other than typing the info into google, anybody know of any good webpages that tracks this sort of info?

 
Looking up info about the memory chips themselves, as well as trying to determine their "quality" is basically a waste of time. What matters most is not the memory chips themselves, but rather the PCB (memory module) itself and its design, as well as its construction quality. The only info about the memory chips themselves which is of consequence is their speed rating and CAS number.
 
As long as it's PC100 you should be able to run it at CAS 2 instead of CAS 3. You can switch that in the BIOS, and if you do that, you will notice quite a sufficient speed boost.
 
yeah, i'm pretty sure it's CAS2 cuz that's what the bios also recognized and set the chips up as. However, I toned it down, but I should probably set it back to 2-2-2. I guess it can't hurt to try to run the memory clock at 133 either. We'll see.
 
These guys are right, it really depends on the individual chips, quality of PCB ect ect.
Yours is PC100 CAS3 and if you can get it to run at CAS2 at 100MHz. you got a nice module as those are rated at CAS3 @ 100MHz./10ns. and CAS2 @ 77MHz./13ns. according to NEC.
 
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