Re: Apple 20" Cinema Display on FC3 w/ Ati X300

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Date: Wed, 25 May 2005 22:03:39 GMT

On Wed, 25 May 2005 11:09:04 +0200, Tomislav Horvatek wrote:

> Jack Snodgrass wrote:
>> what happens.... 'can't get to work' isn't real helpful.
>>
>> What does your
>> /var/log/Xorg.0.log
>> say?
>
> Dear Jack,
>
> I'm new to Linux and I don't know best way to describe my problem.
> Recently I bought HP dc7100 with detailed configuration doown below.
>
> HP dc7100 SFF configuration:
> - Pentium 4 at 3.0 GHz (800Mhz FSB)
> - i915G Express chipset
> - Intel GMA 900 integrated graphics
> - ATI Radeon X300 128MB PCI Express w/ DVI output
> - 40GB SATA HDD
> - 512MB DDR 400 RAM
>
> Main purpose for that system was to use it as POS based on Linux OS,
> Postgresql database and custom made software. Before deployment we test
> all that on Dell Dimension 4500 (3 years old; with GF3 video card) and
> Suse 9.1. After two weeks of intensive testing we decided to buy that
> software and hardware. After we bought hardware, ISV told us to install
> Fedora C3 or their custom distribution based on FC3. At this point all
> truobles comes to life.
>
> When I connected Apple Cinema Display 20" (16:10 display ratio) on DVI
> port and run FC3 installation everything was fine during text mode but
> when installation precedure starts X for GUI setup then ACD goes to
> sleep mode. If you connect different monitor at that point you can see
> GUI and all options. I also try to start installation with NOFB option
> but without any success. After that I try to install Ubuntu 5.04 and
> Suse 9.1 but without any luck, because every time installer starts X for
> GUI monitor goes to sleep mode. When you look at log everything is fine
> and X is up and running.
>
> I decided to go with FC3 and Sony monitor which works fine for now.
> Admin from ISV comes to our office and spend one day trying to install
> ACD on FC3 but without success. What we found was that ACD works with
> nVidia cards but I'm unable to find low-profile nVidia PCI-E card for HP
> desktop. In addition, we were told by ISV that our harware is brand new
> for Linux and that we shoud wait for new distribution that will have new
> drivers, kernel and everything.
>
> What I didn't try is automatic update (ISV didn't recomend this) from
> Fedora site simply because I'm afraid what will happen and what to do if
> anything goes wrong.
>
> Because of all that situation, I decided to start learning Linux and buy
> Suse 9.3.
>
> I hope that this somehow helps you.
>
> Regards,
>
> Tomislav Horvatek

If your monitor goes to 'sleep' when it changes graphics mode,
it generally means that the refresh rate is too low for the
monitor and the monitor thinks it's supposed to go to sleep.

I have these options in my /etc/X11/xorg.conf file for my montitor:
( the word "Monitor" may be differnt in your config file... adjust
as needed )

Section "Monitor"
       Identifier "SyncMaster 213T"
        VendorName "SyncMaster"
        ModelName "LCD Panel 1600x1200"
        HorizSync 31.5 - 90.0
        VertRefresh 60.0 - 60.0
        Option "dpms"
EndSection

This refresh rate will probably be good enough for your
display.

jack

-- 
D.A.M. - Mothers Against Dyslexia
see http://www.jacksnodgrass.com for my contact info.
jack - Grapevine/Richardson

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