Ian Collins wrote:
David Magda wrote:
On Feb 6, 2010, at 21:08, Rob Logan wrote:
I failed to realize the AM3 cpus accepted UnBuffered ECC DDR3-1333
like Lynnfield. To use Intel's 6 slots vs AMD 4 slots, one must use
Registered ECC.
What is the difference between "unbuffered" and "registered"?
About $5 ?
<baddaboom>
Thank you, thank you, I'll be here all week.
Buffered is often used as a synonym for Registered memory.
The addition of a register (buffer) between the memory controller and
the memory chips reduces the bus load. This increases the number of
modules that can be driven. This is why many systems specify
unbuffered and (significantly higher) registered memory capacities.
Be careful.
Fully-Buffered and Registered and NOT the same.
http://en.wikipedia.org/wiki/Registered_memory
It's (really) hard to design a system to use more than 4 DIMM slots with
Unbuffered RAM and still keep everything stable.
--
Erik Trimble
Java System Support
Mailstop: usca22-123
Phone: x17195
Santa Clara, CA
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