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Single Channel RAM in dual mode?

Last response: in Overclocking
August 12, 2010 10:33:47 PM

Is this ok?

I put my RAM next to eachother in my board and CPU-Z came up as Dual mode...but it's only single channel RAM? Is this right?

Also, it seems my RAM being in dual-mode stops me getting a good overclock. When the RAM is in slots 1 and 3, I get a much better overclock.

Anyone know why?

a b } Memory
a c 100 K Overclocking
August 12, 2010 10:41:35 PM

Read your motherboard manual. There's probably 4 DIMM slots, correct? Using two side by side should indeed be only single channel while 1 and 3 is probably dual channel (mine it's 2 and 4). Not sure why having both sticks in one channel causes a worse OC tho... could be voltage, or some sort of imbalance/bottleneck.

I don't think there is such a thing as single channel RAM, as far as what an individual stick supports. Using the right DIMM slots will make it single or dual channel accordingly.
August 12, 2010 11:10:50 PM

Watch this space - will do a bit of testing...cheers
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August 12, 2010 11:21:43 PM

Here is my MOBO:

The manual does not indicate which slots to use - but they are coloured so I'm going to guess it's 1+2 and 3+4?
August 12, 2010 11:32:46 PM

Ok i'm typing this whilst the RAM is sitting in Dual mode, and all seems ok

I think you were right about the timings - I must have had the RAM at 800Mhz before when in dual mode.

CPU-Z doesnt show anything different, but Can i assume it will be running faster in dual mode?
a b } Memory
a c 100 K Overclocking
August 13, 2010 12:39:16 AM

Yeah it should definitely be faster in dual.
August 14, 2010 7:04:17 PM

Solved! Cheers lads!