Serial auto-enable works on B3

[Richard A. Smith]

> With the dongle connected to the serial connector on the B3, it comes up 
> with serial enabled.  Disconnected, serial is disabled.
> 
> I haven't tried the pencil-enable technique.

The new batch of serial adapters with this enable signal built in should be ready in about a week or so.  1cc will have a small stash of them and the rest will be available from the association and spare parts places like XO Explosion, etc.

-- 
Richard A. Smith  <richard at laptop.org>
One Laptop per Child