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Thanks Paul
Bought a board, 1.4 Athlon and 256Meg of DDR
this
afternoon. Guess what I'm doing on Friday :-)
M.
----- Original Message -----
Sent: Wednesday, October 03, 2001 1:19
PM
Subject: Re: [ukha_d] [OTish] Athlon
RAM?
>Thinking about a new Athlon 1.4 and board (to build
a
ShowShifter machine).
>
>1.4 Athlons seem to have 266
FSB.
Does this require DDR RAM? Is DDR RAM
>266Mhz? Can you
use
PC133 RAM?
>
>Help
Not necessarily the same thing at all
Mark. (I made the same mistake), a
266FSB Athlon is not necessarily
DDR,
in fact it's not really appropriate to
talk about about it in that
fashion
- DDR refers to the rate of memory
transfers between the memory modules
and the memory controller chipset on
the motherboard, (NOT the
frequency
of those transfers), so it's really a
motherboard and memory module
requirement to support DDR memory. DDR memory
still operates at 266MHz,
but the double-data rate refers to the fact that
the memory controller
read/writes two bits of memory on each clock cycle,
(one on the rising
edge of the square wave, and one on the falling edge),
rather than just
one bit per cycle, so the frequency remains the same, but
the data rate
doubles.
Clearer?
Paul
G.
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