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Placing memory in dual channel mode

post #1 of 8
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I was watching a video and he says to do dual channel you have to put the memory in the matching color slots, basically is you have cards, put one in slot 1 and 1 in slot 3 which would be the two blue ones on his board with a black in between and the last 4th black slot on the end.


Now I've built a few gaming computers and I just put the ram in the first 2 slots.

Does it actually matter?
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Phoenix
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post #2 of 8
yes it makes a difference which slots are used

if you put them on the same channel they will run in single channel mode

putting them in blue/blue or black/black should be dual channel
but some boards will only boot with 2 dimms when they are the correct slots

check with the boad manual and see what it says to do
post #3 of 8
Thread Starter 
Quote:
Originally Posted by ffejrxx View Post
yes it makes a difference which slots are used

if you put them on the same channel they will run in single channel mode

putting them in blue/blue or black/black should be dual channel
but some boards will only boot with 2 dimms when they are the correct slots

check with the boad manual and see what it says to do
Oh man, I need to fix that on the 2 pc's I built for my friend and brother.
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post #4 of 8
Having them is single channel mode will decrease performance compared to dual channel mode, as they will run much faster when in dual channel.
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post #5 of 8
If you do not them in the right place, some motherboards (like mine) will not boot. I put them in first and third. Well, they needed to be in second and fourth.
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post #6 of 8
Check the motherboard manuals for each of those builds. It will tell you what needs to go where.
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post #7 of 8
By all means, go dual channel. Check mobo details to be sure of which ones, but they are usually color-coded so matching colors should do the trick. Single channel compared to dual channel is SLOW.
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post #8 of 8
Same coloured slots = proper dual channel
Though motherboard manual might list exception, be sure to check
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