got my laptop to work with a projector

In the past I've had trouble getting my laptop screen and a projector
working at the same time. I finally found some documentation on the net
that had what I needed.

Hardware
1. ThinkPad T42
2. ATI Technologies Inc Radeon Mobility M7 LW [Radeon Mobility 7500]

OS = Ubuntu 6.06 Dapper

xorg.conf
1. using the radeon driver
2. there is a "clone" mode

Here's the part in my xorg.conf file that does the magic.

Section "Device"
        Identifier "ATI Technologies, Inc. Radeon Mobility M7 LW
[Radeon Mobility 9000]"
        Driver "radeon"
        BusID "PCI:1:0:0"
        Option "MonitorLayout" "LVDS, AUTO"
        Option "CRT2Position" "Clone"
EndSection

I did some testing and found that I have to boot without the external
monitor or projector connected. Once the laptop has finished booting I
can connect the external monitor.

While searching for this I noticed that different drivers have different
options. There are also some xorg options that might work if your driver
doesn't have a "Clone" option.

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Received on Mon Aug 14 13:24:46 2006