Nik:

X complained that the VerRefresh and HorizSync values were out of range so I lowered them (VertRefresh = 39.5-70 and HorizSync = 30-57) and things are working nicely. Thank you!

How critical are these values - Are they only referrence values for X to work within? i.e., minimum & maximum values?

Also, what affect do the "DMAMode"/"mmio" arguments have? The default arguments (added by debconf) were "UseFBDev"/"true"

Eric P.
Sunnyvale, CA


From: nik gaffney <[EMAIL PROTECTED]>
Subject: Re: Configuring XFree86 on PowerBook G3 Lombard (Bronze)
Date: Mon, 9 Jun 2003 15:34:39 +0200

> I need your help: I can't get Xserver 4.1.0.1 to work on my PowerBook G3.
> (I'm using Woody.)

i recall several threads here about getting xfree86 working on lombard, the
reassuring answer it that it does! and with acceleration ( if you are looking
for a challenge. . see http://people.debian.org/~daenzer/ for the relevant
dri-mach64 packages)

to begin with, the video chip is ati mach64, so the relevant bits of your
xfree86 config should look something like

Section "Monitor"
        Identifier      "Lombard LCD"
        Option          "DPMS"
        HorizSync       31.5-57.0
        VertRefresh     50-70
EndSection

Section "Device"
        Identifier              "Lombard ATI"
        Driver                  "ati"
        ChipSet                 "mach64"
        BusID                   "PCI:0:17:0"
        Option "DMAMode"      "mmio"
EndSection

Section "Screen"
        Identifier      "Screen0"
        Device          "Lombard ATI"
        Monitor         "Lombard LCD"
        DefaultDepth    16
        SubSection "Display"
                Depth           16
                Modes           "1024x768" "800x600" "640x480"
        EndSubSection
EndSection

> I've never used X before - This is my first time using Linux as a desktop.
> I've only used it in a server environment in the past.
>
> I've researched the video spec's at apple.com
> (http://docs.info.apple.com/article.html?artnum=43120) and by searching
> Google but wasn't able to find much of the information that the
> dpkg-reconfigure script (`dpkg-reconfigure xserver-xfree86`) is asking for.
> e.g., Driver, sync/refresh rates, mouse type, keyboard type, etc.
>
> I recall reading somewhere that the Lombard uses an ATI driver but can not
> find much else. Please help!

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