Dual Channel not working with single RAM?

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alanps

alanps

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Nov 27, 2013
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Hey there!

I sold an ASRock ATX Dual Channel DDR4 M.2 Socket Motherboard (H270 Pro4) and the buyer told me since is "Dual Channel" it doesn't work with a single RAM stick. Is that correct?

/edit: I expressed myself wrong. He's saying that the motherboard did not boot with a single RAM because, since it's "dual channel", it NEEDS two sticks to boot up. I'm 99% sure that it should boot and work fine with a single RAM, it will work in single channel but it will definitely boot.
 
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VJ_Gamer

That's not true. You will be able to boot your PC with single ram stick on a motherboard that supports dual channel. The only thing is it wont be enabling the dual channel mode.

Peace.
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VJ_Gamer

VJ_Gamer

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Aug 8, 2017
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Yes. You need two ram sticks(Dual) to enable the dual channel. It wont work with single ram stick.

Rules to enable dual-channel mode
To achieve dual-channel mode, the following conditions must be met:
Same memory size. Examples: 1 GB, 2 GB, 4 GB.
Matched DIMM configuration in each channel.
Matched in symmetrical memory slots.

Configurations that do not match the above conditions revert to single-channel mode.

Peace.
 
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drkatz42

drkatz42

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Apr 5, 2014
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Not working as in doesn't boot? Or, not "working" as in not getting dual channel operation with a single dimm? If his issue is the 2nd, then he/she needs to understand you need identical dimms properly inserted in the correct slots.
 
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VJ_Gamer

VJ_Gamer

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Aug 8, 2017
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That's not true. You will be able to boot your PC with single ram stick on a motherboard that supports dual channel. The only thing is it wont be enabling the dual channel mode.

Peace.
 
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Solution
alanps

alanps

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Nov 27, 2013
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He just told me it didn't boot so he traded with a friend for 2 sticks different brand but same capacity. Weird. Maybe he needed to activate single channel in the BIOS? Idk..

Peace 2u2
 
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