Re: Dell 7500 w/Fedora C2: how to switch display to external monitor?

From: Dances With Crows (danSPANceswitTRAPhcrows_at_gmail.com)
Date: 02/04/05

  • Next message: larwe_at_larwe.com: "Re: Dell 7500 w/Fedora C2: how to switch display to external monitor?" 
    Date: 4 Feb 2005 17:38:19 GMT

    On 4 Feb 2005 08:52:50 -0800, larwe@larwe.com staggered into the Black
    Sun and said:
    >> I've recently installed Fedora C2 on a Dell 7500, and all went
    >> exactly as expected (it's dual-boot with WindersXP). My challenge
    >> now is figuring out how to switch the display from the laptop panel
    >> to the external monitor port.
    > What's the video chipset? If ATI, use atitvout.

    ? Not quite, dude. ATi makes 3 "chipset families", usually referred to
    as "Mach64", "Rage128", and "Radeon"; they're supported by the ati,
    r128, and radeon Free X servers. All of those chipsets have different
    procedures for enabling the secondary VGA port, and none of them require
    atitvout. atitvout is for enabling the S-Video port found on some
    laptops with ATi chipsets, and it doesn't always work properly.

    r128: Put the line
       Option "Display" "BIOS"
    in your X config file's Device section, and the LCD, VGA-out, or both
    will be used in turn when you press your laptop's switching key
    combination (usually Fn-F7 or something like that.)

    radeon: Put the line
       Option "MonitorLayout" "LVDS, CRT"
    in your X config file's Device section, and the LCD, VGA-out, or both
    will be used in turn when you press your laptop's switching key
    combination (usually Fn-F7 or something like that.) You may wish to
    read the man page for radeon, since the "CRT2Position" option and other
    options may be useful to you. I don't know for sure what you'd do if
    you don't set that option to its default, "Clone"--put in another
    Monitor and another Screen? Hm. Ask someone who runs dual-head on
    their Radeon if you have a Radeon chipset in this thing.

    ati: Damned if I know. It's unlikely you have a Mach64 video chip
    though.

    Note that you must restart X before you see any changes. HTH, 

    -- 
Matt G|There is no Darkness in Eternity/But only Light too dim for us to see
Brainbench MVP for Linux Admin /    mail: TRAP + SPAN don't belong
http://www.brainbench.com     /                Hire me! 
-----------------------------/ http://crow202.dyndns.org/~mhgraham/resume
  • Next message: larwe_at_larwe.com: "Re: Dell 7500 w/Fedora C2: how to switch display to external monitor?"

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