AST RESEARCH, INC.
I/O PLUS II
|
Card Type |
Multi I/O card |
|
Chipset Controller |
Unidentified |
|
I/O Options |
Apple game connector (2), IBM game connector, parallel port, serial port (2) |
|
Maximum DRAM |
N/A |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 (DTE) |
CN1 |
Apple II game connector |
J5 |
|
Serial port 2 (DTE) |
J2 |
Apple II game connector |
J6 |
|
Serial port 2 (DCE) |
J3 |
IBM game connector |
J7 |
|
Parallel port |
J4 | ||
|
SERIAL 1 PORT CONFIGURATION | |||||
|
COM |
IRQ |
J8/A |
J8/B |
J9/D |
J9/E |
|
COM 1 |
4 |
Closed |
Open |
Closed |
Open |
|
COM 2 |
3 |
Open |
Closed |
Open |
Closed |
|
Disabled |
N/A |
Open |
Open |
Open |
Open |
|
SERIAL PORT 2 CONFIGURATION | |||
|
Setting |
IRQ |
J8/C |
J9/F |
|
Enabled |
3S |
Closed |
Closed |
|
Disabled |
N/A |
Open |
Open |
|
SERIAL PORT 2 DTE/DCE CONFIGURATION | |
|
Setting |
C16 |
|
DCE |
Pins 3 & 4 closed |
|
DTE |
Pins 1 & 2 closed |
|
PARALLEL PORT CONFIGURATION | ||||
|
Port |
IRQ |
J8/D |
J8/E |
J9/A |
|
1 (LPT1) |
7 |
Open |
Closed |
Closed |
|
2 (LPT2) |
7 |
Closed |
Open |
Closed |
|
Disabled |
N/A |
Open |
Open |
Open |
|
GAME PORT CONFIGURATION | |
|
Setting |
J8/F |
|
Enabled |
Closed |
|
Disabled |
Open |
|
Note: There are two types of game ports on this card, an IBM & Apple type. When enabling the Apple game port (2) you must install a chip (74LS05) at U1. This chip must be removed when enabling the IBM game port. | |
|
FACTORY CONFIGURED - DO NOT ALTER | |
|
Jumper |
Position |
|
J9/B |
N/A |
|
J9/C |
N/A |
|
J9/G |
N/A |
|
J9/H |
N/A |