MULTI-TECH SYSTEMS, INC.
SPB-AT
Card Type |
Multi I/O card |
Chip Set |
INS 16450 chip |
Maximum Onboard Memory |
None |
I/O Options |
parallel port, serial port |
Data Bus |
16-bit ISA |
Floppy drives supported |
None |
CONNECTIONS | |||
Function |
Label |
Function |
Label |
Serial port |
CN1 |
Parallel port |
CN2 |
BASE I/O ADDRESS SELECTION | ||
Address |
SW1/5 |
SW1/7 |
278h |
Off |
On |
378h |
On |
Off |
ADDRESS SELECTION | ||
Setting |
SW1/1 |
COM1/3 |
COM1 |
On |
Off |
COM2 |
Off |
On |
INTERRUPT SELECTION | ||||
IRQ |
SW1/2 |
SW1/4 |
SW1/6 |
SW1/8 |
IRQ3 |
Off |
On |
Off |
Off |
IRQ4 |
On |
Off |
Off |
Off |
IRQ5 |
Off |
Off |
Off |
On |
IRQ7 |
Off |
Off |
On |
Off |
MISCELLANEOUS TECHNICAL NOTES |
Note: The purpose of J1 and J2 is unidentified. |