N900 Hardware Schematic
A schematic appears to be at [1]
This may not be the exact version of the schematic used to make the phone, for example the USB socket is shown as a microA/B socket, with the ID pin going back to the 'Gaia' chip.
A crossreference.
Gaia - the twl4030 main power supply and audio codec chip. [[2]]
{Category:N900 Hardware}