Apple has posted the developer note for the new iBook with dual USB. A PDF version [802 kb] is also available. Excellent bed time reading.
iBook Developer Note (4/30/01)
This developer note has been updated to include information about the latest model, which has a smaller case and lighter weight, as well as a faster processor and cache, available CD-RW and DVD-ROM/CD-RW drives, two USB ports, and stereo speakers.
The developer note provides information about
? the internal logic of the computer
? the I/O ports and built-in I/O devices
? the RAM expansion modules
Post your findings from the note using the feedback link below.