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HD7950 revised with reference HD7970 PCB club - Page 19

post #181 of 847
Quote:
Originally Posted by raghu78 View Post

did you max out power option to +20% . use heaven 3.0 to first test at stock speeds and then 1 Ghz.

Actually no.. I saw that somewhere on these forums but I never really understood exactly what I had to change for that to happen. Darn brain is fried as of late.
post #182 of 847
Thread Starter 
Quote:
Originally Posted by screen84 View Post

maybe this pic can help see wich model it is:

Your card is a mystery to me.

It's labeled as a HD 7950 but the PCB looks more like the Club 3D HD7970.


The Club 3d HD7970 in this photo is not built on a reference AMD HD7970 PCB.


Easiest way to solve this mystery would be to take the heat sink off and take a good high res photo of the PCB. I think you will find a PCB design similar to the photo above.

Just because it has 6+8 pin connector doesn't make it built on a reference AMD HD7970 PCB.
Edited by SonDa5 - 11/26/12 at 11:51am
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post #183 of 847
Quote:
Originally Posted by SonDa5 View Post

Quote:
Originally Posted by screen84 View Post

maybe this pic can help see wich model it is:

Your card is a mystery to me.

It's labeled as a HD 7950 but the PCB looks more like the Club 3D HD7970.


The Club 3d HD7970 in this photo is not built on a reference AMD HD7970 PCB.


Easiest way to solve this mystery would be to take the heat sink off and take a good high res photo of the PCB. I think you will find a PCB design similar to the photo above.

Just because it has 6+8 pin connector doesn't make it built on a reference AMD HD7970 PCB.

 

Hard to tell, but most of the 7970 boards I've seen use a different power circuitry layout. Here's some pictures of the back of my 7950 with a reference 7970 board below. It's much harder to tell from back shots of the PCB though, but I'm leading towards your card being a modified 7950 board and not a 7970 board.

 

Quote:
Originally Posted by axipher View Post

I recently recieved a Radeon Branded 7950 from AMD at the last OCN LAN.  It has the multiple holes near the back of the card that would indicate a 7970 board.  It only has 2 6-pin connections though.  I don't want to take off the reference cooler but looking at the bottom of the card, it looks to be only 4+1 phases:

 

 

1000

 

 

Quote:
Originally Posted by axipher View Post

Accelero 7970 isntall



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post #184 of 847
Quote:
Originally Posted by SonDa5 View Post

Your card is a mystery to me.
It's labeled as a HD 7950 but the PCB looks more like the Club 3D HD7970.

The Club 3d HD7970 in this photo is not built on a reference AMD HD7970 PCB.
Easiest way to solve this mystery would be to take the heat sink off and take a good high res photo of the PCB. I think you will find a PCB design similar to the photo above.
Just because it has 6+8 pin connector doesn't make it built on a reference AMD HD7970 PCB.

Considering the fact that some actual hd7950 were sold with hd7970pcb, this leads me to assume that my card could be a 7950 with a reference 7970 board. You may be right just because it has 6-8 pinn connector dont make it a 7970pcb, but thats a good sign that the card could have a 7970 board idk, and i have never seen a 7950 with 6+8 pin connector till now.Have you seen how high my card can overclock? it is 1250 on the core and 1700 on the memory completely stable at 1.2 volts!!! I could take the time and remove the heatsink but im afraid that after doing that im gone loose warranty hmmm.... otherwise i would have taken the risk to take the heatsink off.... do i have to replace the thermalpaste if i just remove the heatsink?!
post #185 of 847
I don`t know, it may be harder to notice but the back of the card should also show if its a reference 7970? i could take another highresolution photo if you want!

http://imageshack.us/a/img801/5787/20121126135808.jpg
Edited by screen84 - 11/26/12 at 1:22pm
post #186 of 847
Quote:
Originally Posted by screen84 View Post

I don`t know, it may be harder to notice but the back of the card should also show if its a reference 7970? i could take another highresolution photo if you want!

 

A high-res photo would be great. Also, if you see in my picture, right above the PCIe connector on the GPU side, there is a PCB version number. If you can see that without taking the cooler off, that would be great as well.
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post #187 of 847
Quote:
Originally Posted by axipher View Post

A high-res photo would be great. Also, if you see in my picture, right above the PCIe connector on the GPU side, there is a PCB version number. If you can see that without taking the cooler off, that would be great as well.

ok give me a minute,
post #188 of 847
Quote:
Originally Posted by axipher View Post

A high-res photo would be great. Also, if you see in my picture, right above the PCIe connector on the GPU side, there is a PCB version number. If you can see that without taking the cooler off, that would be great as well.

here you go mate

http://s1.directupload.net/file/d/3086/scw9h5r2_jpg.htm
post #189 of 847
Quote:
Originally Posted by screen84 View Post

Quote:
Originally Posted by axipher View Post

A high-res photo would be great. Also, if you see in my picture, right above the PCIe connector on the GPU side, there is a PCB version number. If you can see that without taking the cooler off, that would be great as well.

here you go mate

http://s1.directupload.net/file/d/3086/scw9h5r2_jpg.htm

 

Judging by the staggered capicitor layout on the opposite side of the VRM's from the power connectors, it looks a little more like a 7950 board.
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post #190 of 847
Quote:
Originally Posted by screen84 View Post

here you go mate
http://s1.directupload.net/file/d/3086/scw9h5r2_jpg.htm

another one: http://imageshack.us/a/img839/9169/p1010637a.jpg

http://imageshack.us/a/img39/782/p1010640yl.jpg
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