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From: Jason Rumney <jasonr@gnu.org>
Cc: Ralf Angeli <angeli@caeruleus.net>,
	Lennart Borgman <lennart.borgman.073@student.lu.se>,
	Eli Zaretskii <eliz@gnu.org>,
	emacs-devel@gnu.org
Subject: Re: display-mm-width return value off on Windows
Date: Sun, 09 Jul 2006 00:03:51 +0100	[thread overview]
Message-ID: <u1wsvem20.fsf@jasonrumney.net> (raw)
In-Reply-To: <85hd1rwxao.fsf@lola.goethe.zz> (David Kastrup's message of "Sun, 09 Jul 2006 00:23:43 +0200")

David Kastrup <dak@gnu.org> writes:

> I thought that's what the DDC protocols are for, that are supported by
> "Plug&Play" monitors.

You're right, DDC is supported for analog monitors also. So I wonder
why 320mm was reported as the width for all 3 of my monitors. It is
about right for the 15.1" and 14.1" widescreen, but the 19" should be
closer to 400mm.

In case anyone wants to investigate why the numbers are off (is
Windows using what the monitor reports?), there's a program to read
the data from the monitor independantly of the OS/video drivers here:

http://john.fremlin.de/programs/linux/read-edid/

It fails on my laptop with the 15.1" display when run from Windows XP,
however.

  reply	other threads:[~2006-07-08 23:03 UTC|newest]

Thread overview: 78+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-07-06 17:50 display-mm-width return value off on Windows Ralf Angeli
2006-07-06 21:08 ` Eli Zaretskii
2006-07-06 21:25   ` David Kastrup
2006-07-07  5:56   ` Ralf Angeli
2006-07-07 10:18     ` Eli Zaretskii
2006-07-07 10:22     ` Eli Zaretskii
2006-07-07 12:05       ` Lennart Borgman
2006-07-07 16:54       ` Ralf Angeli
2006-07-08 12:58         ` Eli Zaretskii
2006-07-08 13:23           ` Lennart Borgman
2006-07-08 14:42             ` Eli Zaretskii
2006-07-08 21:27             ` Jason Rumney
2006-07-08 22:23               ` David Kastrup
2006-07-08 23:03                 ` Jason Rumney [this message]
2006-07-09  7:36                   ` Ralf Angeli
2006-07-09  8:03                     ` David Kastrup
2006-07-09  7:41               ` Ralf Angeli
2006-07-09  8:05                 ` David Kastrup
2006-07-09 18:37                 ` Eli Zaretskii
2006-07-10 10:30                   ` Kim F. Storm
2006-07-10 10:45                     ` David Kastrup
2006-07-10 13:29                       ` Jason Rumney
2006-07-10 14:19                         ` David Kastrup
2006-07-10 21:28                           ` Jason Rumney
2006-07-10 22:05                             ` David Kastrup
2006-07-10 20:12                     ` Eli Zaretskii
2006-07-10 23:17                       ` Kim F. Storm
2006-07-10 23:22                         ` David Kastrup
2006-07-11 18:43                   ` Ralf Angeli
2006-07-12 13:07                     ` Kim F. Storm
2006-07-12 19:22                     ` Richard Stallman
2006-07-13 19:38                       ` Ralf Angeli
2006-07-13 19:59                         ` David Kastrup
2006-07-14 17:03                           ` Richard Stallman
2006-07-14 18:16                           ` Stefan Monnier
2006-07-14 18:33                             ` David Kastrup
2006-07-14 21:37                               ` Stefan Monnier
2006-07-15 22:06                                 ` Ralf Angeli
2006-07-16 17:04                                   ` Ralf Angeli
2006-07-14 17:03                         ` Richard Stallman
2006-07-09  9:31               ` Jan Djärv
2006-07-08 17:40           ` Robert J. Chassell
2006-07-06 22:09 ` Jason Rumney
2006-07-06 22:37   ` Lennart Borgman
2006-07-07  5:50   ` Ralf Angeli
2006-07-07  9:09     ` Eli Zaretskii
2006-08-05 14:50 ` Ralf Angeli
2006-08-19 15:15   ` Ralf Angeli
2006-08-19 15:37     ` David Kastrup
2006-08-19 16:31     ` Jason Rumney
2006-08-19 17:54       ` Ralf Angeli
2006-08-19 22:34         ` Jason Rumney
2006-08-20  8:19           ` Ralf Angeli
2006-08-21  9:06             ` Eli Zaretskii
2006-08-21  9:17               ` Lennart Borgman
2006-08-21 10:22                 ` Eli Zaretskii
2006-08-21 10:36                   ` David Kastrup
2006-08-21 11:45                     ` Jason Rumney
2006-08-21 11:55                       ` David Kastrup
2006-08-21 10:43                   ` Lennart Borgman
2006-08-21 14:07                     ` Eli Zaretskii
2006-08-21 15:03                       ` Lennart Borgman
2006-08-21 19:22               ` Ralf Angeli
2006-08-21 23:10                 ` Eli Zaretskii
2006-08-22  5:57                   ` Ralf Angeli
2006-08-22 19:16                     ` Ralf Angeli
2006-08-22 21:38                       ` Kim F. Storm
2006-08-23 18:31                         ` Ralf Angeli
2006-08-23 22:44                           ` Kim F. Storm
2006-08-24 16:14                             ` Ralf Angeli
2006-08-24 20:18                               ` Kim F. Storm
2006-08-25 16:38                                 ` Ralf Angeli
2006-08-25 22:28                                   ` Kim F. Storm
2006-08-21 23:25                 ` Jason Rumney
2006-08-22  5:51                   ` Ralf Angeli
2006-08-22  7:46                     ` Jason Rumney
2006-08-22 19:24                       ` Ralf Angeli
  -- strict thread matches above, loose matches on Subject: below --
2006-07-14 23:55 Robert J. Chassell

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