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one ram stick not working with other

by bubbles549 / June 17, 2008 7:14 AM PDT

General question...

is there ever a common reason why 2 rams sticks will not work together, yet work fine independantly in the same machine?

thanks

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possible reasons
by ramarc / June 17, 2008 8:10 AM PDT

without details on your mobo and the ram, it's impossible to pinpoint a single reason. it could be any of the following:
* bad ram slot
* spd is misread (or incorrect) and an incompatible timing is chosen. (if so, just manually set the highest timings in the bios.)
* some mobos can handle single+double sided or two double-sided sticks

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ram
by bubbles549 / June 17, 2008 8:26 AM PDT
In reply to: possible reasons

checkin on this for a friend is why no particulars...but likely reason 2 as each ram slot works independantly..thanks

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Are the DIMMs same brand , same mfg , same density, same
by VAPCMD / June 17, 2008 12:02 PM PDT
In reply to: ram

voltage ?

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Are you sure there not working? How?
by Dango517 / June 17, 2008 12:20 PM PDT

Run this scan to get the appropriate RAM specifications for your PC. Then match the RAMS too these specifications. No match, no go. Slower RAMs placed side by side with faster RAM will default to the slower speed. If they still do not work then you need a motherboard. You've probably taken them/it out and put them back in already to see if there "fitted" properly?

What those specifications mean:

http://www.kingston.com/tools/UMG/default.asp

Lowest latency or CAS is best, CAS 2 better then CAS 4, better then CAS 5 or sometimes listed as latency:

http://www.newegg.com/Store/Category.aspx?Category=17&name=Memory

These are very fast:

http://www.newegg.com/Product/Product.aspx?Item=N82E16820145575

Not a bad price either Happy

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