MULTI-TECH SYSTEMS, INC.
RD301PC
Card Type |
Serial to network re-director |
Chip Set |
Unidentified |
Data Bus |
8-bit ISA |
USER CONFIGURABLE SETTINGS | |||
Setting |
Label |
Position | |
COM port enabled |
SW1/8 |
Closed | |
COM port disabled |
SW1/8 |
Open | |
Card enabled |
SW2/8 |
Closed | |
Card disabled |
SW2/8 |
Open |
COM PORT ADDRESS | ||||||||
Setting |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 | |
000h |
On |
On |
On |
On |
On |
On |
On | |
008h |
Off |
On |
On |
On |
On |
On |
On | |
010h |
On |
Off |
On |
On |
On |
On |
On | |
018h |
Off |
Off |
On |
On |
On |
On |
On | |
020h |
On |
On |
Off |
On |
On |
On |
On | |
2E8h (COM4:) |
Off |
On |
Off |
Off |
Off |
On |
Off | |
2F8h (COM2:) |
Off |
Off |
Off |
Off |
Off |
On |
Off | |
3D8h |
Off |
Off |
On |
Off |
Off |
Off |
Off | |
3E0h |
On |
On |
Off |
Off |
Off |
Off |
Off | |
3E8h (COM3:) |
Off |
On |
Off |
Off |
Off |
Off |
Off | |
3F0h |
On |
Off |
Off |
Off |
Off |
Off |
Off | |
3F8h (COM1:) |
Off |
Off |
Off |
Off |
Off |
Off |
Off | |
Note: A total of 127 COM port address settings are available. The switches are a binary representation of the hexadecimal memory addresses. SW1/7 is the Most Significant Bit and switch SW1/1 is the Least Significant Bit. The switches have the following hexadecimal values: SW1/7=200h, SW1/6=100h, SW1/5=80h, SW1/4=40h, SW1/3=20h, SW1/2=10h, SW1/1=8h. Turn off the switches and add the values of the switches that are off to obtain the correct COM port address. (Off=1, On=0) |
BASE I/O ADDRESS | ||||||||
Setting |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 | |
000h |
On |
On |
On |
On |
On |
On |
On | |
008h |
Off |
On |
On |
On |
On |
On |
On | |
010h |
On |
Off |
On |
On |
On |
On |
On | |
018h |
Off |
Off |
On |
On |
On |
On |
On | |
020h |
On |
On |
Off |
On |
On |
On |
On | |
100h |
On |
On |
On |
On |
On |
Off |
On | |
3D8h |
Off |
Off |
On |
Off |
Off |
Off |
Off | |
3E0h |
On |
On |
Off |
Off |
Off |
Off |
Off | |
3E8h |
Off |
On |
Off |
Off |
Off |
Off |
Off | |
3F0h |
On |
Off |
Off |
Off |
Off |
Off |
Off | |
3F8h |
Off |
Off |
Off |
Off |
Off |
Off |
Off | |
Note: A total of 127 memory address settings are available. The switches are a binary representation of the hexadecimal memory addresses. SW1/7 is the Most Significant Bit and switch SW1/1 is the Least Significant Bit. The switches have the following hexadecimal values: SW1/7=200h, SW1/6=100h, SW1/5=80h, SW1/4=40h, SW1/3=20h, SW1/2=10h, SW1/1=8h. Turn off the switches and add the values of the switches that are off to obtain the correct memory address. (Off=1, On=0) |
CARD INTERRUPT | |||||||
Setting |
SW3/1 |
SW3/2 |
SW3/3 |
SW3/4 |
SW3/5 |
SW3/6 | |
IRQ2 |
Closed |
Open |
Open |
Open |
Open |
Open | |
IRQ3 |
Open |
Closed |
Open |
Open |
Open |
Open | |
IRQ4 |
Open |
Open |
Closed |
Open |
Open |
Open | |
IRQ5 |
Open |
Open |
Open |
Closed |
Open |
Open | |
IRQ6 |
Open |
Open |
Open |
Open |
Closed |
Open | |
IRQ7 |
Open |
Open |
Open |
Open |
Open |
Closed |
COM PORT INTERRUPT | |||
Setting |
SW3/7 |
SW3/8 | |
IRQ3 |
Closed |
Open | |
IRQ4 |
Open |
Closed |
MISCELLANEOUS TECHNICAL NOTES |
This card redirects the I/O of the COM port to a serial device elsewhere on the network. |