SMC SMCWBR14-G

Overview
"P/N: 14100520010J REV: 01" and "MADE IN TAIWAN" is silkscreened on the top of the board of the unit populating this entry.
 * A date code of 0536 (September 2005) is silkscreened on the bottom of the board.
 * A mixture of (mostly) Rubycon (power side), Chemi-Con, and Wendell branded radial capacitors are in use.
 * A label reading IC9-17, V1.00.024 was affixed to the Flash before removal.

This device would seem to be using the Nucleus RTOS.

Links of Interest

 * On the UNIMOS Wiki

Serial Pinouts
The used pinout is somewhat commonly used by other Arcadyan devices.. (GND) (TxD) (RxD) [   ] (3.3)                             J4

v LEDs
 * ---> to likely JTAG