http://igorsk.blogspot.com/2007/12/hacking-kindle-part-1-getting-console.html http://igorsk.blogspot.com/2007/12/hacking-kindle-part-2-bootloader-and.html http://igorsk.blogspot.com/2007/12/hacking-kindle-part-3-root-shell-and.html

From "Hacking the Kindle part 1: getting the console"

check_recovery: shift-<r>ecover, shift-<u>pdate, shift-</> reset... normal boot...

U-Boot 1.1.2 (Oct 29 2007 - 16:35:25)

*** Welcome to Kindle ***