Re: CRTs and EDID (was: Re: [gentoo-user] Anybody want to beta test Gentoo with mdev instead of udev?

On Tue, Nov 15, 2011 at 09:53:47AM -0500, Michael Mol wrote

> Just an FYI, EDID blocks have been part of CRT tech since the mid to
> late 90s; it's the basis of "plug & play" monitors.
>
> IIRC, the EDID block is transported via DDC, which is essentially I2C
> implemented on top of your VGA cable. I've got three EDID-supporting,
> 19" 1600x1200 CRTs staring me in the face right now.
>
> https://plus.google.com/108080062547354628132/posts/ZLLw66eL4We

  Maybe X has learned how to read them without udev's help.  The xorg
logfile shows the EDID block, max/min horizontal/vertical scan rates,
supported modes, etc.

-- 
Walter Dnes <waltdnes@××××××××.org>