Please double check the sync ranges specified for your external CRT:
HorizSync 50-90
VertRefresh 60
For 60 Hz refresh, HorizSync is too high for the three modes listed in you
config file (they need 48.4, 37.9 and 31.5 respectively).
Regards,
Hui
----- Original Message -----
From: "Brandon Wittenburg" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, July 01, 2003 10:13 AM
Subject: Re: [XFree86] ATI IGP 340M - Dual head on a lapltop
> Thanks Alex. If you've a spare moment would you mind looking at my
> current XF86Config file? http://www.656.org/ati/XF86Config The
> XFree86.0.log is at http://www.656.org/ati/XFree86.0.log Just please let
> me know if something jumps out as being horribly wrong (I've stripped
> comments, so it is pretty easy to read through). I submitted a second
> email concerning my problem yesterday with more accurate information.
> Mainly that the chipset is an IGP 320M, not 340M as I had previously
> believed. When defining two screens, two monitors, and two devices and I
> am getting a clone of the primary head on the secondary head. Xinerama
> says that it is enabled in the log, but you couldn't tell by looking at
> the display. From the bugzilla record below I gather I'll need the cvs
> to use the patch. Is this correct? Thanks for your help.
>
> Brandon
>
> On Tue, 2003-07-01 at 08:38, Alex Deucher wrote:
> > the radeon driver supports dualhead. you can either do it with two
> > screen entries and xinerama or with my mergedfb patch
> > (http://bugs.xfree86.org//cgi-bin/bugzilla/show_bug.cgi?id=276). the
> > IGP chipsets do not support HW 3D yet. Make sure your screen entries
> > do not contain the "videoram" option as that will prevent dualhead from
> > working. check the radeon and XF86Config man pages for more info.
> >
> > Alex
> >
> > ----------------------------
> >
> > Hello,
> >
> > I've an hp ze4430 laptop. It contains an ATI Radeon Mobility U1 (IGP
> > 340M w/ 64MB shared memory). I am currently using the "radeon" driver
> > that I believe was shipped with XFree 4.3. This graphics card has the
> > ability to "extend" the desktop to 2048x78 using an external monitor. I
> > have been unable to find any documentation about such a feature being
> > supported (or not) by the radeon driver. I have attempted to obtain
> > such
> > a result by trying everything I know to do in my XF86Config file. I can
> > get a 2048x768 desktop using the Xinerama option, but the extra desktop
> > space does not display on the external monitor, rather in empty space
> > next to the laptop's flat panel. I've also been successful cloning the
> > display on both monitors using different methods (MonitorLayout and
> > CloneDisplay). Does anyone know if the current radeon driver supports
> > this feature or of any documentation that may contain information that
> > will help me achieve this setup?
> >
> > Regards,
> >
> > Brandon Wittenburg
> >
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