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Dual Channel Ram In Single Channel

Last response: in Memory
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July 27, 2010 9:33:10 PM

Hey,

I have a Biostar NF4UL-A9 motherboard, I have 2x1 gig gskill ram. I also have 2x512 patriot ram, but not using it, get to that in a moment.

When I boot up my computer during post it says single channel with the 2 sticks of gskill. In the manual it says to put the sticks side by side in slot 1 and 3 but they arent the same color.

I tried putting it the other way but computer wont but. This is a new motherboard, the ram is used.

The patriot ram I am thinking one may be bad, but not 100 percent sure. If i try to put it in too, comp wont boot.

Thanks in advance for any help. Its greatly appreciated!!
a b } Memory
a c 108 V Motherboard
July 27, 2010 11:50:44 PM

If you've followed the manual's instructions, then the problem is within the mobo. Check the Biostar website for any BIOS updates that address this concern, if you don't find one, then I suggest an RMA.
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a b } Memory
a b V Motherboard
July 28, 2010 12:02:08 AM

Have you checked to see if dual channel is selectable in the BIOS? A bios setting may correct the problem. That would not surprise me from that era board.

That is an odd setup, dimm1 and dimm3 are right next to each other. weird.
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July 28, 2010 2:07:30 AM

well did a little more research on this based on you guys suggestions. The bios i have i believe is 1.0 and the most current version is 1.2. Biostar doesnt have that version for download, so couldnt try that.

Looked in the bios couldnt find anything about dual channel or really anything about ram except ocling.

The manual describes the dimms as being from left to right: dimm 2, dimm 4, dimm 1, dimm 3 with dimm 2 and dimm one being blue and other two white.

Whenever i put any ram in dimm 2 or dimm 4 it wont post. Will only post with ram in dimm 1 or dimm 1 and dimm 3.

I bought the board on craigslist, looks new guy said he never used it, but maybe it was screwed thats why he sold it? Guess good thing it was cheap, lol.

Well I guess Ill have to give up and just use it in single and sell the other extra ram I have.

Thanks for the help guys!!!
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