External monitor on IBM T41 laptop

[David Abrahams]

Marius Gedminas <marius at pov.lt> writes:

> Hi!
>
> On Mon, Aug 21, 2006 at 09:36:01AM +0200, Johan Tibell wrote:
>> I would like to use my somewhat bigger monitor when at work. The
>> native resolution of the laptop's LCD is 1024x768 and the external
>> monitor's resolution is 1280x1024.
>
> Same situation here (Thinkpad T42, Radeon 7500).  I do want to use both
> monitors at the same time, though.
>
> My /etc/X11/xorg.conf is available here: http://mg.pov.lt/xorg.conf
> It is somewhat more complicated than strictly necessary, because I
> experimented with several configurations, and these are all available as
> different server layouts.  The default one is 1024x768 + 1280x1024
> dual-head config.
>
> Now the bad news: the open-source ATI driver in Dapper has a bug that
> causes the laptop to freeze hard if I try to switch between dual-head
> and single-head configurations at runtime with xrandr.  This used to
> work fine in Breezy, but IIRC in Breezy I couldn't use the full
> resolution of the external monitor.
>
> There are also very occassional freezes that happen during workspace
> switches.  I also attribute them to the radeon driver (memtest86+ ran
> for 17 hours and didn't discover any memory problems).

The new ATI proprietary 8.28 driver is working very well for my
Thinkpad T60p.

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com