BOCA RESEARCH, INC.
IOAT41
Card Type | Multi-I/O card |
Chip Set | NS16450 COMPATIBLE |
Maximum Onboard Memory | Unidentified |
I/O Options | Parallel port, serial port |
Data Bus | 8-bit ISA |
Card Size | Wedge shaped, Half-length |
CONNECTIONS | |||
Function | Label | Function | Label |
Serial port 2 - internal | CN1 | 25-pin parallel port - external | CN3 |
Serial port 1- external | CN2 |
PARALLEL PORT ADRESS SELECTION | ||||
Setting | J4/pins 1 & 2 | J4/pins 2 & 3 | J4/pins 4 & 5 | J4/pins 5 & 6 |
LPT1 (378h) | Closed | Open | Open | Open |
LPT2 (278h) | Open | Closed | Open | Open |
LPTINT (IRQ7) | Open | Open | Closed | Open |
LPTINT (IRQ5) | Open | Open | Open | Closed |
Disabled | Open | Open | Open | Open |
SERIAL PORT 1 ADDRESS SELECTION | ||||
Setting | J5/pins 2 & 4 | J5/pins 4 & 6 | J5/pins 8 & 10 | J5/pins 10 & 12 |
COM1 | Closed | Open | Open | Open |
COM2 | Open | Closed | Open | Open |
COM3 | Open | Open | Closed | Open |
COM4 | Open | Open | Open | Closed |
Disabled | Open | Open | Open | Open |
SERIAL PORT 2 ADDRESS SELECTION | ||||
Setting | J5/pins 1 & 3 | J5/pins 3 & 5 | J5/pins 7 & 19 | J5/pins 9 & 11 |
COM1 | Closed | Open | Open | Open |
COM2 | Open | Closed | Open | Open |
COM3 | Open | Open | Closed | Open |
COM4 | Open | Open | Open | Closed |
Disabled | Open | Open | Open | Open |
SERIAL PORT 1 INTERRUPT SELECTION | ||||
IRQ | J5/pins 14 & 16 | J5/pins 16 & 18 | J5/pins 20 & 22 | J5/pins 22 & 24 |
IRQ7 | Closed | Open | Open | Open |
IRQ5 | Open | Closed | Open | Open |
IRQ4 | Open | Open | Closed | Open |
IRQ3 | Open | Open | Open | Closed |
Disabled | Open | Open | Open | Open |
SERIAL PORT 2 INTERRUPT SELECTION | ||||
IRQ | J5/pins 13 & 15 | J5/pins 15 & 17 | J5/pins 19 & 21 | J5/pins 21 & 23 |
IRQ7 | Closed | Open | Open | Open |
IRQ5 | Open | Closed | Open | Open |
IRQ4 | Open | Open | Closed | Open |
IRQ3 | Open | Open | Open | Closed |
Disabled | Open | Open | Open | Open |