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Author Topic: IDEA: EDID Emulator  (Read 3066 times)

Kromey

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IDEA: EDID Emulator
« on: February 24, 2010, 10:31:39 AM »
I have and use a KVM to switch between several computers; without going into too much fluff here, the short is that the KVM does not feature the capability on newer models to emulate the console monitor's EDID information, instead supplying its own which results in strange behaviors on Win7 due to the differences.

What I'm looking for is a simple utility that would have the following features:
 1) "Snapshot" the current live EDID data - this would be used to designate one particular set of EDID information as the desired one.
 2) "Lock in" the captured EDID data - this would force Windows to use the captured EDID information regardless of what Win7 thinks the monitor is actually capable of.

Without knowing much about how Windows interacts with monitors to read this data, it seems to me that there are two possibilities for an implementation: Either intercept the EDID data when Windows tries to read it, or else modify the EDID data in the registry to match the desired setting.

Programs such as MonInfo are capable of reading the EDID data, I just need something capable of "tricking" Windows to override the EDID with a particular set.

scancode

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Re: IDEA: EDID Emulator
« Reply #1 on: February 24, 2010, 10:35:13 AM »
Dunno why, but I smell some driver haxx0ring is in order :(
That something I'd kill (and been looking) for.  :up:

Kromey

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Re: IDEA: EDID Emulator
« Reply #2 on: February 24, 2010, 11:19:08 AM »
From what little I've managed to unearth about EDID, it seems like all that's actually needed is some registry manipulations - it seems it's possible to override EDID via the registry, and I'm just looking for a utility to ease that process.

scancode

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Re: IDEA: EDID Emulator
« Reply #3 on: February 24, 2010, 02:24:43 PM »
From what little I've managed to unearth about EDID, it seems like all that's actually needed is some registry manipulations - it seems it's possible to override EDID via the registry, and I'm just looking for a utility to ease that process.

Can I haz links please?
begging-kitty.jpgIDEA: EDID Emulator

Kromey

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Re: IDEA: EDID Emulator
« Reply #4 on: February 24, 2010, 06:06:59 PM »
Okay, looking at it again it's not a registry hack at all, it's an INF file. Might be far less trivial than I originally though to implement a utility to automate this...

http://forums.entech...dex.php?topic=6944.0

scancode

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Re: IDEA: EDID Emulator
« Reply #5 on: February 25, 2010, 03:04:45 AM »
Awesome  :Thmbsup:

Thanks for the links.
Seems I'll be able to do something about it, stay tuned!

[and my monitors will finally be widescreen, again <3]

Kromey

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Re: IDEA: EDID Emulator
« Reply #6 on: February 25, 2010, 11:55:56 AM »
Oh awesome! I look forward to seeing what you can pull out of your hat!  :Thmbsup: