Linux on Thinkpads, was RE: [clug] Xinerama with a Radeon mobile chipset

Andrew Smith andrew at
Thu Jul 1 05:47:54 GMT 2004


As someone who's in the market for another laptop (my Dell P2-366 is a bit tired), could you (and anyone else!) please provide some
feedback on the Thinkpad?  It's quite a minefield working out what lappies work with linux, especially from companies who loudly
claim to support it.

Common issues I've seen are: apm/suspend, cd/dvd burning, external ports (vga etc.), general device support (built in wifi)...


> -----Original Message-----
> From: at
> [ at]On Behalf Of
> Michael Still
> Sent: Thursday, 1 July 2004 3:09 PM
> To: CLUG List
> Subject: [clug] Xinerama with a Radeon mobile chipset
> Hey follks,
> I have a quite nice ThinkPad. It has a Radeon Mobility video card in it,
> which has an external video oriface. I assume that I can drive this
> separately from the internal LCD monitor -- I haven't tried yet with
> Windows. An lspci says:
> 0000:01:00.0 VGA compatible controller: ATI Technologies Inc Radeon R250
> Lf [Radeon Mobility 9000 M9] (rev 02) (prog-if 00 [VGA])
>          Subsystem: IBM: Unknown device 0531
>          Flags: bus master, stepping, fast Back2Back, 66MHz, medium
> devsel, latency 66, IRQ 11
>          Memory at e0000000 (32-bit, prefetchable)
>          I/O ports at 3000 [size=256]
>          Memory at c0100000 (32-bit, non-prefetchable) [size=64K]
>          Capabilities: [58] AGP version 2.0
>          Capabilities: [50] Power Management version 2
> What I want is to be able to use the latop dual head with an external
> monitor, but also quickly and easily swap back to having the external
> monitor display the same thing as the internal monitor for presentations
> (at 1024x768). All the xinerama stuff I find on the web seems to be
> aimed at people with two video cards.
> I'm an XFree gumby, although I can't imagine this is too hard to do. Has
> anyone got something close to a canned config, or hints that they would
> like to share?
> Cheers,
> Mikal
> --
> Michael Still (mikal at | "All my life I've had one dream,
>            |  to achieve my many goals"
> UTC + 10                          |    -- Homer Simpson
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