[Ham-Computers] RE: DIMM vs UDIMM - Essentially The Same?

[Hsu, Aaron (NBC Universal)]

In the strictest sense of the definition, "no", they are not "identical" because they are from different manufacturers.

Generically though, they are the same "type" of memory modules - Unbuffered, non-ECC, PC2700 DDR DRAM modules (aka basic, everyday PC2700 DDR RAM).  Some RAM companies use the "U" (Unbuffered) to differentiate from other types of modules such as "FB" (Fully Buffered), or, "R" (Registered).

Are you going to "add" one of these to a system in order to "upgrade" the RAM?  If so, all the normal "caveats" (or "gotchas") apply when mixing RAM modules - "different" modules may or may not work with each other; it's best to "match" modules, at least in "pairs".

73,

  - Aaron, NN6O



-----Original Message-----
Sent: Wednesday, November 12, 2008 7:41 PM
Subject: [Ham-Computers] DIMM vs UDIMM - Essentially The Same?

Are these two identical or is there something about the QIMONDA memory that would not make it an acceptable replacement for the Kingston, please?

http://www.memorydeal.net/qimonda-hys64d32300hu-6-c.php
QIMONDA HYS64D32300HU-6-C: 256MB 184-PIN PC2700 CL2.5 8c 32x8 DDR UDIMM is lead free and in stock. If you need 256MB PC2700 UDIMM

http://www.directron.com/kv.html
Kingston 256MB DDR333 PC2700 184-pin Computer System Memory Module, No-ECC, KVR333X64C25/256

-- 

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