JTAG430X2 works at 16MHz, not at 3MHz.
[goodfet] / firmware / apps /
drwxr-xr-x   ..
drwxr-xr-x - chipcon
drwxr-xr-x - i2c
drwxr-xr-x - jtag
drwxr-xr-x - monitor
drwxr-xr-x - spi