So I bought some of the Korean 27" IPS panels that are all the rave. I had to do this to my xorg.conf to get them working with the proprietary nvidia driver:

Section "Monitor"
    Identifier     "DFP-0"
    VendorName     "First"
    ModelName      "DFP-0"
    HorizSync       50.0 - 200.0
    VertRefresh     50.0 - 200.0
    ModeLine       "2560x1440_60" 311.83 2560 2744 3024 3488 1440 1441 1444 1490 -hsync +vsync
    Option         "UseEdidFreqs" "0"
    Option         "ExactModeTimingsDVI" "True"

There's the Monitor section. Note that I've told the driver that I know the exact mode timings for my panel - this is dangerous if you don't know what you're doing. I also had to tell the driver to not use the EDID Frequencies, because they are detected inappropriately (the EDID is actually corrupt as far as the driver knows, because the pixelclock is outside of the range of 'known valid' clocks).

This should help out anyone else that was dealing with this crap like I was :) By the way, they're really pretty.

27" korean ips

Josh Adams is a developer and architect with over eleven years of professional experience building production-quality software and managing projects. Josh is isotope|eleven's lead architect, and is responsible for overseeing architectural decisions and translating customer requirements into working software. Josh graduated from the University of Alabama at Birmingham (UAB) with Bachelor of Science degrees in both Mathematics and Philosophy. He runs the ElixirSips screencast series, teaching hundreds of developers Elixir. He also occasionally provides Technical Review for Apress Publishing, specifically regarding Arduino microprocessors. When he's not working, Josh enjoys spending time with his family. <a href=""><img src="" alt="speaker badge" /></a>