TANDON CORPORATION
SERIAL/PARALLEL OPTION BOARD
Category |
Multi I/O |
Data Bus Type |
8-bit ISA |
Memory Type |
Unidentified |
Maximum Onboard Memory |
Unidentified |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
25-pin parallel connector |
CN1 |
9-pin serial connector |
CN2 |
DSR CONTROL SETTINGS | |
Setting |
JP1 |
DSR controlled by driver |
Pins 1 & 2 closed |
DSR forced true |
Pins 2 & 3 closed |
DSR forced false |
All open |
DCD CONTROL SETTINGS | |
Setting |
JP2 |
DCD controlled by driver |
Pins 1 & 2 closed |
DCD forced true |
Pins 2 & 3 closed |
DCD forced false |
All open |
CTS CONTROL SETTINGS | |
Setting |
JP3 |
CTS controlled by driver |
Pins 1 & 2 closed |
CTS forced true |
Pins 2 & 3 closed |
CTS forced false |
All open |
DTR CONTROL SETTINGS | |
Setting |
JP4 |
DTR controlled by driver |
Pins 1 & 2 closed |
DTR forced true |
Pins 2 & 3 closed |
DTR forced false |
All open |
RTS CONTROL SETTINGS | |
Setting |
JP5 |
RTS controlled by driver |
Pins 1 & 2 closed |
RTS forced true |
Pins 2 & 3 closed |
RTS forced false |
All open |
SERIAL INTERRUPT SETTINGS | |
IRQ |
JP6 |
IRQ3 |
Pins 2 & 3 closed |
IRQ4 |
Pins 1 & 2 closed |
PARALLEL INTERRUPT SETTINGS | |
IRQ |
JP7 |
IRQ5 |
Pins 2 & 3 closed |
IRQ7 |
Pins 1 & 2 closed |
PARALLEL PORT SETTINGS | |
Setting |
JP8 |
LPT1 |
Pins 1 & 2 closed |
LPT2 |
Pins 2 & 3 closed |
SERIAL PORT SETTINGS | |
Setting |
JP9 |
COM1 |
Pins 1 & 2 closed |
COM2 |
Pins 2 & 3 closed |