[ubuntu] Trying to get my Fujitsu T4220 tablet to work

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http://ubuntuforums.org – I have a Fujitsu T4220, tablet laptop (the kind where the screen can fold flat and then you can draw on it). However, I just installed Ubuntu 9.10, and it doesn't recognise the pen at all. I had Intrepid install a while ago, and it at least recognised that I had a pen (and I was able to use it as a mouse). I was looking at this guide: <https://help.ubuntu.com/community/T4220>, but it doesn't have instruction for Karmic. Does anyone know how I can get this working, or where I would start? (Hardware)