BRAIN BOXES
AT LPT RS232
Card Type | Serial card |
Chip Set | Unidentified |
Data Bus | 8-bit ISA |

CONNECTIONS | |||
Function | Label | Function | Label |
9-pin serial port 1 - external | CN1 | Serial port 2 - internal | CN3 |
26-pin parallel port | CN2 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
| » | Parallel port unidirectional | J1/pins 11 & 12 | Open |
Parallel port bidirectional | J1/pins 11 & 12 | Closed | |
SERIAL PORT ADDRESS SELECTION | ||
Setting | J2 Port 1 | J2 Port 2 |
COM1 | Pins 1 & 2 closed | Pins 2 & 3 closed |
COM2 | Pins 4 & 5 closed | Pins 5 & 6 closed |
COM3 | Pins 7 & 8 closed | Pins 8 & 9 closed |
COM4 | Pins 10 & 11 closed | Pins 11 & 12 closed |
COM5 | Pins 13 & 14 closed | Pins 14 & 15 closed |
COM6 | Pins 16 & 17 closed | Pins 17 & 18 closed |
COM7 | Pins 19 & 20 closed | Pins 20 & 21 closed |
COM8 | Pins 22 & 23 closed | Pins 23 & 24 closed |
SERIAL PORT 1 INTERRUPT SELECTION | ||
IRQ | J3 | |
IRQ2 | Pins 11 & 12 closed | |
| » | IRQ3 | Pins 9 & 10 closed |
IRQ4 | Pins 7 & 8 closed | |
IRQ5 | Pins 5 & 6 closed | |
IRQ6 | Pins 3 & 4 closed | |
IRQ7 | Pins 1 & 2 closed | |
IRQ10 | Pins 13 & 14 closed | |
IRQ11 | Pins 15 & 16 closed | |
IRQ12 | Pins 17 & 18 closed | |
IRQ14 | Pins 19 & 20 closed | |
IRQ15 | Pins 21 & 22 closed | |
SERIAL PORT 2 INTERRUPT SELECTION | ||
IRQ | J4 | |
IRQ2 | Pins 11 & 12 closed | |
| » | IRQ3 | Pins 9 & 10 closed |
IRQ4 | Pins 7 & 8 closed | |
IRQ5 | Pins 5 & 6 closed | |
IRQ6 | Pins 3 & 4 closed | |
IRQ7 | Pins 1 & 2 closed | |
IRQ10 | Pins 13 & 14 closed | |
IRQ11 | Pins 15 & 16 closed | |
IRQ12 | Pins 17 & 18 closed | |
IRQ14 | Pins 19 & 20 closed | |
IRQ15 | Pins 21 & 22 closed | |
PARALLEL PORT INTERRUPT SELECTION | |||
IRQ | J1/pins 7 & 8 | J1/pins 9 & 10 | |
IRQ7 | Open | Closed | |
| » | IRQ5 | Closed | Open |
PARALLEL PORT SELECTION | ||||
Setting | J1/pins 1 & 2 | J1/pins 3 & 4 | J1/pins 5 & 6 | |
LPT1 | Closed | Open | Open | |
LPT2 | Open | Closed | Open | |
| » | LPT3 | Open | Open | Closed |