Tech Support > Computer Hardware > Difference between Dual channel and Non-Dual channel?
Difference between Dual channel and Non-Dual channel?
Posted by Chris Stolworthy on January 5th, 2004


Ok I was wondering what the difference is between RAM that is labeled DUal
channel DDR, versous "normal" DDR? I am wondering because I ahve dual and
am running it that way, but it works as single units as well. So is this
"dual" Ram a hype or what?


Posted by Chris on January 5th, 2004


When RAM is run in Dual Channel the bandwidth is doubled.



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Posted by sdeyoreo@hotmail.com on January 5th, 2004


Intel site has info on that. My mobo ( Intel D865PERL) has dual
channel DDR memory banks. My understanding is that will "run" twice as
fast, increasing a FSB of 400 Mhz to 800 MHz.
On Sun, 4 Jan 2004 21:36:15 -0700, "Chris Stolworthy"
<Cstolworthy12@*remove*cableone.net> wrote:


Posted by DaveW on January 5th, 2004


Dual channel rated RAM sticks are IDENTICAL sticks that have precisely the
same electrical properties and timings. That's why they cost more.

--
DaveW



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Posted by kony on January 5th, 2004


On Sun, 4 Jan 2004 21:36:15 -0700, "Chris Stolworthy"
<Cstolworthy12@*remove*cableone.net> wrote:

"Supposedly" that means the memory is tested to work in dual channel
mode, with ??????? motherboard. It "should" mean you get a pair of
identical modules, but that isn't necessary for proper operation, so
to a certain extent it's a marketing gimmick.

It is not necessary to buy memory labeled as dual-channel, and it
shouldn't cost more than equivalent memory without that label, as
there isn't any real difference so far as operation of the memory.
Best to buy memory validated by the motherboard manufacturer or visit
some website forums and see what fellow users of your board are having
good results with.

Posted by NiŠ on January 5th, 2004


Are we not mixing things up here?
As far as I know, dual channel is a new way to increase bandwith and for
what I have read on it this it does not change the frequency of your ram.
I have a dual channel 400Mhz system and two 400Mhz memory modules but still
the memory remains 400Mhz.
You typically need 2 sticks of ram AND your motherboard needs to support it.

--

NiŠ



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Posted by jamotto on January 6th, 2004


"Chris Stolworthy" <Cstolworthy12@*remove*cableone.net> wrote in message news:<vvhqeler9f41e2@corp.supernews.com>...
The dual channel feature requires two identical RAM modules that
allows the motherboard to access two banks of RAM at the same time via
two memory "data paths" instead of just the usual single "data Path"
from the memory controller to the memory.

hope this helps


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