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. |