Command line arguments

COMn    where n is 1..4 selects COMn
HIGH    TxD high when eeprom programming (com84 compatibility)
REMOVE  Remove driver from memory
BYPASS  Bypass Windows port virtualization

Original Hardware Schematics

See JDM84.GIF.
EEPROM programming by using pin 5-8 and 11-14.

In Circuit Programming

Use /MCLR, RB7, RB6 and Vss for In Circuit Programming. Automatic 'GO' function is added by using a diode and a resistor (680 ohm) between Vcc and /MCLR:
   Vcc ---|>|-----[680E]--- /MCLR