[hkscfreak]

[quote author="catbert"]I cannot even boot with the adapter. How am I supposed to do anything on the driver side?[/quote]

Does the GPU work with other monitors? I never had issues of the sort that you are describing.

[hkscfreak]

I discovered the limitations before I loaded the updated firmware.  The firmware makes no difference.

Disconnect all your other monitors if you have them.  Disable SLi if you have that.

[hkscfreak]

Okay, got a few insights after playing around with the CAC 1070 adapter.

Setup:
Windows 7
Nvidia drivers v 361.43
2x Nvidia GTX 680
Dell 3007WFP via DVI
Dell 2007WFP via DVI
Samsung UN55JU6500 connected through a Denon AVR-X4100W

New or old firmware made no difference.  Originally I had SLi enabled, which forced me to connect all three monitors to the same graphics card.  Nvidia drivers only allow output through one graphics card when SLi is enabled.  This only offered me 4K@30Hz through the adapter, which was detected as HDMI and not Displayport.  Disabling SLi and then attaching the adapter to the other graphics card enables 4K@60Hz.  It seems like there’s a limitation (at least with my graphics cards) where Displayport output is not enabled unless it is the only display attached or there is a maximum total output bandwidth.

In any case, it seems like a limitation either with Nvidia’s drivers or the graphics cards. Adapter works fine.

[hkscfreak]

I have the CAC 1070 Rev A0-00 on a GTX 680.  When plugged in, I can’t get a 60hz output.  The Nvidia control panel shows that it is an hdmi output instead of displayport.  I’m guessing the adapter is not using its active mode or doesn’t present that to the GPU.  Where can I get the new firmware to test?

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