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New PC won't post; compatibility issues?

C

Craftish

Gawd
Joined
Jul 24, 2002
Messages
675
Specs of new PC are:

2500K
Asrock P67 Pro3
HIS Radeon 6950 2GB
2x4GB G.Skill Ripjaws
Antec True Power 650W

Assembling everything yields failure to post and a "d6" error code on the mobo, which indicates "no console output." The weird thing is I can put the HIS 6950 in my old machine (E6750/Corsair 620W PSU) and it posts fine, AND I can put my old GPU (8800 GTS) in the new rig and it posts fine. Can there be some weird compatibility issue between this mobo and this GPU?

I've tried removing everything but the essentials, assembling outside the case and a variety of different lines/adapters to power the two PCI-E slots on the 6950, all with the same results.

This is a brand new setup so I did not try to flash the 6950 to a 6970 or unlock any of the shaders or anything at all yet.

What would you guys do? RMA the mobo? The GPU? This is all from newegg so an exchange for a different product would cost me the 15% restocking fee, which I'd prefer to avoid. Is anyone running an Asrock P67 mobo with a 6950 2GB?
 
I am running an XFX 6950 2GB with the ASRock Extreme 4. No problems like you described.

I realize I may be stating something obvious but are you connecting it DVI? Are you connecting it to the correct DVI port on your 6950? I thought I read that only one of them would work for some reason or another that I can't remember.

Either way, I wouldn't imagine it would yield an error code, just wouldn't display.

Did you try and put your 620HX in your new build? That's the power supply I have and it works great.

And I'm sure you are connecting two power cables straight from Power Supply to 6950.
 
I have 5600 card and it recognizes everytime where screen is connected, so I can have it on DVI or either D-sub and it works as fine. So with 2 DVIs there shall be no problem at all in this case.
 
2004raptor said:
I am running an XFX 6950 2GB with the ASRock Extreme 4. No problems like you described.

I realize I may be stating something obvious but are you connecting it DVI? Are you connecting it to the correct DVI port on your 6950? I thought I read that only one of them would work for some reason or another that I can't remember.

Either way, I wouldn't imagine it would yield an error code, just wouldn't display.

Did you try and put your 620HX in your new build? That's the power supply I have and it works great.

And I'm sure you are connecting two power cables straight from Power Supply to 6950.
Click to expand...

Haven't tried the 620 yet, that's a good idea. I did try both DVI ports. I'm wondering if it's somehow a problem specific to the HIS 6950--I found one other instance of someone having the same problem with that card and the ASRock Extreme 4 where he had several other (Nvidia) cards that would post fine but the HIS 6950 gave a d6 error in either PCI slot on his mobo.
 
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