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Ram not running in dual channel

Last response: in Memory
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February 2, 2010 5:35:27 PM

I know that 2 of the Rams aren't the exact same kind but they're practically the same. Is there a way to force them into dual channel?

Slot 1 and 3


Slot 2 and 4


They're not the greatest but that's what i have to live with until i can get new ones. I'm positive these should be able to work in dual channel.

I'm using the motherboard M4A77D.
a c 80 } Memory
a c 229 V Motherboard
February 2, 2010 7:13:32 PM

I may be wrong, but shouldn't slots 1 and 2 (blue) have identical modules. Same with slots 3 and 4 (black).
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February 2, 2010 10:05:11 PM

That's what i thought but

That's from the manual.
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a b } Memory
a b V Motherboard
February 2, 2010 10:12:04 PM

lol - yeah GhislainG's rite! Try putting the Kingston rams in the blue slots and then have the Corsair rams in the black slots :)  u'll b on ur way - i hope!
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Best solution

a c 80 } Memory
a c 229 V Motherboard
February 2, 2010 10:29:57 PM

To run in dual channel mode, the modules have to be in two different channels.
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February 2, 2010 10:36:35 PM

Switched them. Still running in Single Channel according to CPU-Z.
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February 2, 2010 11:36:25 PM

Figured it out. My 1gig sticks aren't compatible.

Which would perform better? 1gig (512mbx512mb) in dual channel or 3 gigs in single?
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February 2, 2010 11:45:46 PM

I would opt for volume
If you would loosen the timings by a notch maybe they will work in dual mode (ie 5-5-5-20 or 21), or set the frequency of DDRs to non-standard (ie 348)
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February 3, 2010 12:50:10 AM

I'm not the brightest person when it comes to ram. But how would i loosen the timings?
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February 3, 2010 1:20:59 AM

It didn't work.
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a c 80 } Memory
a c 229 V Motherboard
February 3, 2010 1:30:42 AM

wlaziu is correct. You're better off with all memory installed, even if it runs in single channel mode.
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a b } Memory
a b V Motherboard
February 3, 2010 3:52:10 PM

if dual channels what u want then have the kingstons - that way u can get rid of the corsairs. otherwise i agree with both GhislainG + wlaziu. but the corsairs have tighter timings.
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February 9, 2010 11:43:56 PM

Best answer selected by peterboi.
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