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# DIGI INTERNATIONAL, INC.
PC/XI, PC/XI+
Card Type Serial controller
Chipset/Controller 80C186
I/O Options Serial ports (8 or 16)
Maximum DRAM 512KB dual ported RAM
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|-------------------------------+----------------------------|
| DB-78 connector | CN1 |
|------------------------------------------------------------|
| Note:CN1 attaches to a serial concentrator. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | J2 | J3 |
|------------------+--------------------+--------------------|
| ยป | 64KB | Pins 2 & 3 closed | Pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | 128KB | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | 256KB | Pins 1 & 2 closed | Pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | 512KB | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED SETTINGS |
|------------------------------------------------------------|
| Jumper | Setting |
|----------------------------+-------------------------------|
| J1 | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE MEMORY ADDRESS SELECT (<1MB) |
|------------------------------------------------------------|
|Address|DS1/1 |DS1/2 |DS1/3 |DS1/4 |DS1/5 |DS1/6|DS1/7|DS1/8|
|-------+------+------+------+------+------+-----+-----+-----|
|80000h | On | On | On | Off | On | On | On | On |
|-------+------+------+------+------+------+-----+-----+-----|
|90000h | Off | On | On | Off | On | On | On | On |
|-------+------+------+------+------+------+-----+-----+-----|
|B0000h | Off | Off | On | Off | On | On | On | On |
|-------+------+------+------+------+------+-----+-----+-----|
|C0000h | On | On | Off | Off | On | On | On | On |
|-------+------+------+------+------+------+-----+-----+-----|
|D0000h | Off | On | Off | Off | On | On | On | On |
|-------+------+------+------+------+------+-----+-----+-----|
|E0000h | On | Off | Off | Off | On | On | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE MEMORY ADDRESS SELECT (>1MB) |
|------------------------------------------------------------|
|Address|DS1/1 |DS1/2 |DS1/3 |DS1/4 |DS1/5 |DS1/6|DS1/7|DS1/8|
|-------+------+------+------+------+------+-----+-----+-----|
|D00000h| On | On | On | On | Off | On | Off | Off |
|-------+------+------+------+------+------+-----+-----+-----|
|D80000h| On | On | On | Off | Off | On | Off | Off |
|-------+------+------+------+------+------+-----+-----+-----|
|E00000h| On | On | On | On | On | Off | Off | Off |
|-------+------+------+------+------+------+-----+-----+-----|
|E80000h| On | On | On | Off | On | Off | Off | Off |
|-------+------+------+------+------+------+-----+-----+-----|
|F00000h| On | On | On | On | Off | Off | Off | Off |
|-------+------+------+------+------+------+-----+-----+-----|
|F80000h| On | On | On | Off | Off | Off | Off | Off |
|-------+------+------+------+------+------+-----+-----+-----|
|FA0000h| On | Off | On | Off | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O ADDRESS SELECT |
|------------------------------------------------------------|
| Address | DS1/9 | DS1/10 | DS1/11 |
|---------------+--------------+--------------+--------------|
| 100h | On | Off | Off |
|---------------+--------------+--------------+--------------|
| 110h | Off | On | Off |
|---------------+--------------+--------------+--------------|
| 120h | On | On | Off |
|---------------+--------------+--------------+--------------|
| 200h | Off | Off | On |
|---------------+--------------+--------------+--------------|
| 220h | On | Off | On |
|---------------+--------------+--------------+--------------|
| 300h | Off | On | On |
|---------------+--------------+--------------+--------------|
| 320h | On | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ |DS2/1 |DS2/2 |DS2/3 |DS2/4 |DS2/5|DS2/6|DS2/7|DS2/8|
|--------+------+------+------+------+-----+-----+-----+-----|
| IRQ3 | On | Off | Off | Off | Off | Off | Off | Off |
|--------+------+------+------+------+-----+-----+-----+-----|
| IRQ4 | Off | On | Off | Off | Off | Off | Off | Off |
|--------+------+------+------+------+-----+-----+-----+-----|
| IRQ5 | Off | Off | On | Off | Off | Off | Off | Off |
|--------+------+------+------+------+-----+-----+-----+-----|
| IRQ7 | Off | Off | Off | On | Off | Off | Off | Off |
|--------+------+------+------+------+-----+-----+-----+-----|
| IRQ10 | Off | Off | Off | Off | On | Off | Off | Off |
|--------+------+------+------+------+-----+-----+-----+-----|
| IRQ11 | Off | Off | Off | Off | Off | On | Off | Off |
|--------+------+------+------+------+-----+-----+-----+-----|
| IRQ12 | Off | Off | Off | Off | Off | Off | On | Off |
|--------+------+------+------+------+-----+-----+-----+-----|
| IRQ15 | Off | Off | Off | Off | Off | Off | Off | On |
|--------+------+------+------+------+-----+-----+-----+-----|
|Disabled| Off | Off | Off | Off | Off | Off | Off | Off |
+------------------------------------------------------------+