BOCA RESEARCH, INC.
I0AT41, IOAT42
Card Type |
Multi-I/O card |
Chip Set |
Unidentified |
Maximum Onboard Memory |
Unidentified |
I/O Options |
Parallel port, serial port |
Hard Drives supported |
None |
Floppy drives supported |
None |
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 |