Hi. Quick thought before I disappear, having not read the email I'm replying to carefully: some devices retain configuration in a particular power state, others can't. I'm thinking particularly of video cards and S3. This fits with the model you're proposing, doesn't it? Regards, Nigel -- Nigel Cunningham Software Engineer, Canberra, Australia http://www.cyclades.com Bus: +61 (2) 6291 9554; Hme: +61 (2) 6292 8028; Mob: +61 (417) 100 574 Maintainer of Suspend2 Kernel Patches http://suspend2.net