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Not all memory showing up = dead board?

Forum Motherboards & Memory : General Motherboard - Not all memory showing up = dead board?

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EQPlayer   06-13-2009 at 08:34:01 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.

Message quoted 1 times
------------------------------ Antec 1200 - Corsair 1000HX - Intel Core i7 920 (4GHz) - MSi Eclipse Plus - 12GB Corsair DDR3 1600 XMS3 - 2x Radeon 4870x2 QuadFire w/ Arctic Cooling Accelero XTREME - 2x 300GB WD VelociRaptor RAID 0 - 1x 1TB WD Caviar Black - Windows 7 RC 64-bit
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Twoboxer   06-13-2009 at 09:45:13 AM
- 0 +

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.

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EQPlayer   06-13-2009 at 10:57:26 AM
- 0 +

Twoboxer wrote :

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.

------------------------------ Antec 1200 - Corsair 1000HX - Intel Core i7 920 (4GHz) - MSi Eclipse Plus - 12GB Corsair DDR3 1600 XMS3 - 2x Radeon 4870x2 QuadFire w/ Arctic Cooling Accelero XTREME - 2x 300GB WD VelociRaptor RAID 0 - 1x 1TB WD Caviar Black - Windows 7 RC 64-bit
 Reply to EQPlayer
wuzy   06-13-2009 at 11:10:50 AM
- 0 +

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.

------------------------------ GTL Ref Tweaking Guide - PM for detail
Brand is for the weak-minded, only product matters.
Resilient to marketing.
http://farm3.static.flickr.com/2520/3850950213_aea6bbbcfe_o.jpg
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EQPlayer   06-13-2009 at 11:16:22 AM
- 0 +

BIOS only reads 8GB as well.

------------------------------ Antec 1200 - Corsair 1000HX - Intel Core i7 920 (4GHz) - MSi Eclipse Plus - 12GB Corsair DDR3 1600 XMS3 - 2x Radeon 4870x2 QuadFire w/ Arctic Cooling Accelero XTREME - 2x 300GB WD VelociRaptor RAID 0 - 1x 1TB WD Caviar Black - Windows 7 RC 64-bit
 Reply to EQPlayer
jitpublisher   06-13-2009 at 02:28:57 PM
- 0 +

EQPlayer wrote :

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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