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can i enable dual channel?

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February 12, 2005 1:27:08 PM

Hey

can someone tell me if this ddr setup will allow me to run in dual channelplease?

I currently have one 512mb ddr2100 ram module. I was wondering if I could run my pc in dual channel if I buy one more 512mb ddr3200 module with similar timings to my current module?

The reason why I intend to buy a 3200 module is because when i can afford to i intend to purchase another 512mb ddr 3200 module and have 1 gig of ddr3200 ram running in dual channel mode.

My current ram is also overclocked at 173mhz. is it tru that the 3200 module will run at the speed of the slower ram and therfore also run at 173mhz rather than 200mhz?

also shud i get the same brand memory or is it more important to get ram with similar timings?

My setup is as follows:

amd64 3000+ oc @2.4ghz with std cooling (fsb at 270mhz)
asus a8v deluxe rev.2
512mb ddr2100 ram oc @173mhz std voltages (timings 2.5-3-3-6)

More about : enable dual channel

February 14, 2005 9:50:56 PM

Yes you can run dual channel with another stick of 512MB. You dont have to enable dual-channel, just make sure you put the memory modules in the right slots (typically slots 1-3 or 2-4 or both). The memory slots should have two differnt colors to represent the two memory channels.

Keep in mind that your system will run the PC-3200 module at PC-2100 speed.

It's more important to get memory with the same timings and chip configuration (i.e. #chips/side) rather than brand. If you can, it's better to match brands too.
February 15, 2005 3:31:46 PM

I was under the impression that in order for dual channel to work, the two memory modules had to almost be identical, which is why I went with the dual pack of sticks for my recent PC build... but I very well could be wrong.

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February 15, 2005 3:40:24 PM

Not true (although it helps).

The motherboard will just run both sticks at the lowest common denominator settings

e.g if you have 1 stick DDR333 @ CAS3 and 1 DDR DDR400 CAS 2 then both sticks would run at DDR333CAS3.

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February 15, 2005 4:03:56 PM

It's better to use identical modules to prevent complications between the memory controller and the memory module banks.
Anonymous
a b } Memory
February 15, 2005 8:28:10 PM

interesting, I was just wondering about that somewhere else...
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