Custom Resolution Utility (CRU)
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07-28-2015, 03:34 PM
Post: #1509
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RE: Custom Resolution Utility (CRU)
I'd been using a custom .inf EDID that I created myself for use with 3 Optoma GT720 projectors. Using the EDID allowed me to run 3840x800@120Hz with my R9 290 Crossfire setup. I just tried upgrading to a GTX 980ti though and couldn't use my EDID solution in Surround. In fact, with nvidia Surround it was difficult to even get 3840x800@60Hz running (which is the native resolution).
Looking through the geforce forums it looks like nvidia broke resolution selection for Surround users in a recent driver update. It also looks as though EDID overrides still aren't supported for Surround configurations (this was the reason I sold off my GTX 680 cards a couple years ago). I can't believe it's still not fixed - at this point I think it was done on purpose or something. Anyway, I tried CRU and it's a great tool but still can't work with Surround. There was one glimmer of hope though. The following procedure would work (with a severe limitations which I'll outline below): 1) DDU in safe mode 2) reboot into normal mode and install nvidia driver 3) reboot as part of driver install 4) Use CRU to edit the timings for each projector display so that the only timing available was 1280x800@120Hz (I created a detailed timing for it that I know works from my old custom EDID and then I added the standard 1280x800@120Hz) 5) Use nvidia control panel to span displays in Surround. At this point the only resolution option available was 3840x800@120Hz. Select that and go. Using that procedure I was able to try out BF4 at 3840x800@120Hz. Upon exiting the game however the center screen remained black with some artefacts at the top and I had to reboot. Upon reboot the 3840x800@120Hz option was not available. It's so dumb that I can get it to work briefly but then it fails. It's even worse that I can run each screen individually at 1280x800@120Hz but not in Surround mode. Any insights ToastyX? Any way to get this to work? |
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