Compaq Contec COM-2(PC)F - Manual (Page 5)

COM-2(PC)F
iv
Mounting Method............................................................28
Connecting the External Devices...................................31
Connecting the Cable......................................................32
4. System Reference.................................................... 33
Specifications...................................................................33
Circuitry Diagrams .........................................................34
Block Diagram.................................................................34
5. Troubleshooting ...................................................... 35
QUESTIONS: ..................................................................35
Is the pilot light on?....................................................35
Did the system boot up? .............................................35
Does your program work?...........................................35
Does the sample program work?................................36
Is the input data accurate?.........................................36
Still have a probrem?..................................................36
6. Appendix ................................................................ 39
A. Sample Programs (for MS-DOS)................................39
COM-2(PC)F Diskette ................................................39
Sample Programs........................................................40
Switch and Jumper Settings ......................................42
Cable Connection ........................................................44
B. Notes on Developing Driver Software .......................56
Internal Registers .......................................................56
Baud Rate Selection....................................................57
LSI Recovery Time......................................................58
Various Aspects of Interrupt Handling in Enhanced
Mode and Compatible Mode.......................................60
C. The Details on NS16550 ............................................62
D. Difference Between the COM-2(PC)F
and COM-2(PC)V .......................................................64
7. Index ..................................................................... 65