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Not all memory showing up = dead board?

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June 13, 2009 6:34:01 AM

So the parts for my i7 refit came in yesterday... i7 920 (packaged in May... ought to be a D0, yes?), open box P6T6 WS Revolution, 12GB of Corsair XMS3 DDR3 1600 RAM, and another 300GB VelociRaptor to run with my current one in RAID 0. In any case, I get everything installed, load up Win7 RC... only 8GB of RAM is being recognized. Alright. So I pull out the sticks in slots 1 and 2. Okay, 4GB showing now. Put sticks in 1 and 2 back in. Pull out the sticks in slots 3 and 4... uh oh, still 8GB showing. Leave slots 1 and 2 empty, put the sticks from those slots into 3 and 4. 4GB. Looks like my middle RAM channel is dead.

That's 1 open box MoBo DOA for me. Ahh well, the risks we take. I'm gonna RMA it for a refund and grab a MSi Eclipse Plus in the meantime. Such a sexy board. Too bad though, the P6T6 is soooo nice.
a b V Motherboard
June 13, 2009 7:45:13 AM

From your words it sounds like you are using both odd and even slots. Check that you are using the correct slots for memory - seems it should be slots 1,3,5.
June 13, 2009 8:57:26 AM

Twoboxer said:
From your words it sounds like you are using both odd and even slots. Check that you are using the correct slots for memory - seems it should be slots 1,3,5.


Wha'? Read the post again... I've got 12GB of RAM, thus I'm using all the slots.
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June 13, 2009 9:10:50 AM

Regardless of what slot you used (which is getting triple-channel to function), you should still see the 12GB.
Sounds like one of the channel is not getting power from the VRM for DIMMs as I have never heard of selective non-functioning channel on an i7 processor before.
June 13, 2009 9:16:22 AM

BIOS only reads 8GB as well.
a b V Motherboard
June 13, 2009 12:28:57 PM

EQPlayer said:
So the parts for my i7 refit came in yesterday... i7 920 (packaged in May... ought to be a D0, yes?), open box P6T6 WS Revolution, 12GB of Corsair XMS3 DDR3 1600 RAM, and another 300GB VelociRaptor to run with my current one in RAID 0. In any case, I get everything installed, load up Win7 RC... only 8GB of RAM is being recognized. Alright. So I pull out the sticks in slots 1 and 2. Okay, 4GB showing now. Put sticks in 1 and 2 back in. Pull out the sticks in slots 3 and 4... uh oh, still 8GB showing. Leave slots 1 and 2 empty, put the sticks from those slots into 3 and 4. 4GB. Looks like my middle RAM channel is dead.

That's 1 open box MoBo DOA for me. Ahh well, the risks we take. I'm gonna RMA it for a refund and grab a MSi Eclipse Plus in the meantime. Such a sexy board. Too bad though, the P6T6 is soooo nice.




Uh-huh. We were just talking about buying recertified, open/returns etc the other day in another thread. You take your chance, I learned my lesson years ago, it's just not worth it. No more for me.
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