SDL COMMUNICATIONS, INC.
RISCOM/SA
|
Card Type |
Serial |
|
Chipset |
Cirrus Logic CD2401 |
|
Maximum Onboard Memory |
64KB SRAM |
|
I/O Options |
Serial ports (8) |
|
Data Bus |
16-bit ISA |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
RS-232 or RS-422 serial ports via DB-78 connector |
J2 |
RS-232 or RS-422 serial ports via 100-pin Centronics connector |
J3 |
|
Note:Standard DB-25 serial ports are provided on an included DB-78 adapter cable or 100-pin Centronics breakout box. The serial port connectors J2 and J3 are located on a daughterboard of the main card. Either of the daughterboard cards may be used. The exact size of the daughterboard and the location and type of the daughterboard connectors are unidentified. | |||
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
| » |
Factory configured - do not alter |
SW1/7 |
On |
| » |
Factory configured - do not alter |
SW1/8 |
On |
|
INTERRUPT SELECTION | |||||||||
|
Setting |
J1/A |
J1/B |
J1/C |
J1/D |
J1/E |
J1/F |
J1/G |
J1/H | |
|
IRQ3 |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open | |
|
IRQ4 |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open | |
| » |
IRQ5 |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
|
IRQ7 |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open | |
|
IRQ10 |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open | |
|
IRQ11 |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open | |
|
IRQ12 |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open | |
|
IRQ15 |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed | |
|
BASE I/O ADDRESS SELECTION | |||||||
|
Setting |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 | |
|
000h |
On |
On |
On |
On |
On |
On | |
|
010h |
Off |
On |
On |
On |
On |
On | |
|
020h |
On |
Off |
On |
On |
On |
On | |
|
030h |
Off |
Off |
On |
On |
On |
On | |
|
040h |
On |
On |
Off |
On |
On |
On | |
| » |
300h |
On |
On |
On |
On |
Off |
Off |
|
3B0h |
Off |
Off |
On |
Off |
Off |
Off | |
|
3C0h |
On |
On |
Off |
Off |
Off |
Off | |
|
3D0h |
Off |
On |
Off |
Off |
Off |
Off | |
|
3E0h |
On |
Off |
Off |
Off |
Off |
Off | |
|
3F0h |
Off |
Off |
Off |
Off |
Off |
Off | |
|
Note: A total of 64 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/6 is the Most Significant Bit and switch SW1/1 is the Least Significant Bit. The switches have the following decimal values: SW1/6=512, SW1/5=256, SW1/4=128, SW1/3=64, SW1/2=32, SW1/1=16. Turn off the switches and add the values of the switches that are off to obtain the correct memory address. (Off=1, On=0) | |||||||
