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# SDL COMMUNICATIONS, INC.
RISCOM/N2
Card Type Serial
Chip Set Hitachi HD64570
Maximum Onboard Memory 256KB DRAM
Data Bus 16-bit ISA
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+---------------------+-------|
| RS-232, RS-422/449, | CN1 | RS-232, RS-422/449, | CN2 |
| RS-530, or V.35 port | | RS-530, or V.35 | |
| 1 | | port 2 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | S1/7 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | S1/8 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT |
|------------------------------------------------------------|
| J1 is used to set the interrupt. Exact settings are |
| unidentified. Interrupts 3, 4, 5, 9, 10, 11, 12, and |
| 15 are available. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS |
|------------------------------------------------------------|
| Setting | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
|-----------+--------+-------+-------+-------+-------+-------|
| | 100h | On | On | On | On | Off | On |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 110h | Off | On | On | On | Off | On |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 120h | On | Off | On | On | Off | On |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 130h | Off | Off | On | On | Off | On |
|---+-------+--------+-------+-------+-------+-------+-------|
| | 140h | On | On | Off | On | Off | 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 48 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 to obtain the |
| correct memory address. (Off=1, On=0) |
+------------------------------------------------------------+