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. |