Serial auto-enable works on B3
wmb at laptop.org
Tue Nov 17 02:59:38 EST 2009
This is just a success report on the new serial auto-enable feature on
B3. I removed the mistakenly-stuffed power resistor (pr148) on the
serial_en signal and modified a USB serial dongle (cut the trace that
goes from 3.3V to pin 1 of the header, soldered a jumper from pin 1 to
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.
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