CHASE RESEARCH, INC.
CHASE IOXTRA
Card Type |
Serial card |
Chip Set |
Unidentified |
I/O Options |
Serial ports (2) |
Card Size |
Half-length, full-height |
Data Bus |
8-bit ISA |
CONNECTIONS | |||
Function |
Label |
Function |
Label |
Serial port A |
CN1 |
Serial port B |
CN2 |
USER CONFIGURABLE SETTINGS | ||
Function |
Label |
Position |
Serial port A enabled |
J4 |
Pins 2 & 3 closed |
Serial port A disabled |
J4 |
Pins 1 & 2 closed |
Serial port B enabled |
J5 |
Pins 2 & 3 closed |
Serial port B disabled |
J5 |
Pins 1 & 2 closed |
CLOCK SET | ||||||
Clock |
J1/A |
J1/B |
J1/C |
J1/D |
J1/E |
J1/F |
2C0 |
Closed |
Open |
Open |
Open |
Open |
Open |
2C8 |
Open |
Closed |
Open |
Open |
Open |
Open |
2D0 |
Open |
Open |
Closed |
Open |
Open |
Open |
2D8 |
Open |
Open |
Open |
Closed |
Open |
Open |
3C0 |
Open |
Open |
Open |
Open |
Closed |
Open |
3C8 |
Open |
Open |
Open |
Open |
Open |
Closed |
SERIAL PORT A ADDRESS SELECTION | |
Setting |
J7 |
COM1 |
Pins 1 & 3, 2 & 4 closed |
COM3 |
Pins 1 & 3, 4 & 6 closed |
SERIAL PORT B ADDRESS SELECTION | |
Setting |
J6 |
COM2 |
Pins 3 & 5, 2 & 4 closed |
COM4 |
Pins 3 & 5, 4 & 6 closed |
SERIAL PORT A INTERRUPT SETTINGS | ||||
IRQ |
J2/A |
J2/B |
J2/C |
J2/D |
3 |
Closed |
Open |
Open |
Open |
4 |
Open |
Closed |
Open |
Open |
5 |
Open |
Open |
Closed |
Open |
9 |
Open |
Open |
Open |
Closed |
SERIAL PORT B INTERRUPT SETTINGS | ||||
IRQ |
J3/A |
J3/B |
J3/C |
J3/D |
3 |
Closed |
Open |
Open |
Open |
4 |
Open |
Closed |
Open |
Open |
5 |
Open |
Open |
Closed |
Open |
9 |
Open |
Open |
Open |
Closed |