How to hack a Sony Reader
Inside the Linux-based e-book viewer
Amazon’s Kindle receives plenty of publicity, but it’s only available in the US. Book buffs elsewhere have to content themselves with other e-book readers, of which one of the most popular is the Sony Reader. The PRS-505 is available from High Street stores like John Lewis and Waterstones, making it one of the more visible devices at the moment.
Sony's PRS-505: eminently hackable, thanks to its Linux foundations
It’s also comparatively easy to tweak and hack, thanks to the way it’s designed. The core operating system is MontaVista Linux, and though the speed of response of the e-ink screen and the lack of a full keyboard means that you can’t really use it as a general purpose computer, there is a fair bit that you can do with it.
Some is simple customisation: you can change the fonts, icons and logos, or add your name and contact details to the About screen, for example. Buttons can be reassigned, or disabled too, so if you prefer to shut the Reader down rather then send it to sleep, then you can add that function to an easily accessible key, instead of having to work through a few menus to find it.
When a memory card is inserted in the reader, it’s scanned by the operating system. As well as looking for books, the folder
/Sony Reader/software is checked for an