Hey, guys.
I've been running 2way SLI EVGA GTX680 FTW 4GB identical graphic cards for nearly 6 months with Zalman Reserator XT. Temperatures for both cards were nearly identical +/- 1C.
And today my screen went blank and into the suspend mode (orange light), as if the HDMI cable got unplugged. Game was still going, but I could not revive the screen. Had to do a hard reset. Once it booted back to Windows, I could see that my GPU1 was running at 80C and GPU1 at 35C at idle.
I have checked for leaks or bubbles, could not find any. So I decided to take the water cooling system apart and install a 3rd GTX680
while I was at it.
When taking it apart I have noticed there were bubbles coming out of the GPU, looks like there was an air pocket. Then I installed a 3rd GPU and put everything back together. Made sure there were no leaks or air bubbles in the system. Started it up and could still see the GPU1 running at 65C at idle while GPU2 at 35C and GPU3 at 33C.
I don't really like my Zalman Reserator XT as it is very hard to bleed it and I still think I may have some trapped air in GPU1. Since water cooling is a copy of automotive water cooling, why is there no bleeding screw on any of the external cooling kits? And what is the best way to bleed the system? If I have an air pocket in my 1st GPU, how come the 2nd and 3rd are not overheating? How come I still get a water flow? And how come my water is at 31C?
I tilted Reserator 45 degrees, then I flipped the PC horizontally, gave it a little shake. Couple bubbles came out, that's about it.
I've been running 2way SLI EVGA GTX680 FTW 4GB identical graphic cards for nearly 6 months with Zalman Reserator XT. Temperatures for both cards were nearly identical +/- 1C.
And today my screen went blank and into the suspend mode (orange light), as if the HDMI cable got unplugged. Game was still going, but I could not revive the screen. Had to do a hard reset. Once it booted back to Windows, I could see that my GPU1 was running at 80C and GPU1 at 35C at idle.
I have checked for leaks or bubbles, could not find any. So I decided to take the water cooling system apart and install a 3rd GTX680
while I was at it.When taking it apart I have noticed there were bubbles coming out of the GPU, looks like there was an air pocket. Then I installed a 3rd GPU and put everything back together. Made sure there were no leaks or air bubbles in the system. Started it up and could still see the GPU1 running at 65C at idle while GPU2 at 35C and GPU3 at 33C.
I don't really like my Zalman Reserator XT as it is very hard to bleed it and I still think I may have some trapped air in GPU1. Since water cooling is a copy of automotive water cooling, why is there no bleeding screw on any of the external cooling kits? And what is the best way to bleed the system? If I have an air pocket in my 1st GPU, how come the 2nd and 3rd are not overheating? How come I still get a water flow? And how come my water is at 31C?
I tilted Reserator 45 degrees, then I flipped the PC horizontally, gave it a little shake. Couple bubbles came out, that's about it.
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