[Beowulf] RAM for X7DWT-INF

Duke Nguyen duke.lists at gmx.com
Tue Oct 9 21:26:36 PDT 2012

Hi folks,

We are building a small-scale cluster for the institute. We just got 
twin servers with motherboards X7DWT-INF and now are looking for memory 
for these boards. Checking the manufacture's website 
we got:

Memory Capacity
Eight 240-pin DIMM sockets
Supports up to 64 GB 800* / 667 / 533MHz DDR2 ECC FB-DIMM memory
Dual branch memory bus
Memory must be populated in pairs
Memory Sparing supported
Memory Type
800* / 667 / 533MHz FB-DIMM (Fully Buffered DIMM) ECC DDR2 SDRAM 72-bit, 
240-pin gold-plated DIMMs

also says that these boards support DDR2 PC2-5300, DDR2 PC2-6400 Fully 
Buffered modules.

but when checking ebay for some similar modules, I am totally confused 
with *different* RAM modules: PC2-5300 Fully Buffered, PC2-5300F, 
PC2-5300P etc... My questions are:

  * Are PC2-5300 Fully Buffered and PC2-5300F the same? If yes then will 
these fit: 
  * Has any others with the same or similar boards tried 8GB modules, 
for example the one suggested by crucial 
I know that the board can support up to 8GB module each slot, but it 
said 8GB-untested



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