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# UNIDENTIFIED
SMART I/O
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 16-bit, ISA |
|---------------------+--------------------------------------|
| Size: | Full-lenght, full-height card |
|---------------------+--------------------------------------|
| Hard drive | Up to seven SCSI devices |
| supported: | |
|---------------------+--------------------------------------|
| Floppy drives | 360KB, 720KB, 1.2MB or 1.44MB drives |
| supported: | |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|----------------------------------------+-------------------|
| 50-pin SCSI port | CN1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|---------------------------+------------+-------------------|
| » | 32KB ROM | J1 | pins 1 & 2 closed |
|---+-----------------------+------------+-------------------|
| | 64KB ROM | J1 | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
|------------------------------------------------------------|
| Address |SW1/1 |SW1/2 |SW1/3|SW1/4|SW1/5|SW1/6|SW1/7|SW1/8|
|----------+------+------+-----+-----+-----+-----+-----+-----|
|»|A18XXXh | Off | Off | Off | Off | Off | On | Off | Off |
|-+--------+------+------+-----+-----+-----+-----+-----+-----|
| |A17XXXh | Off | Off | Off | Off | Off | Off | On | Off |
|-+--------+------+------+-----+-----+-----+-----+-----+-----|
| |A23XXXh | On | Off | Off | Off | Off | Off | Off | Off |
|-+--------+------+------+-----+-----+-----+-----+-----+-----|
| |A22XXXh | Off | On | Off | Off | Off | Off | Off | Off |
|-+--------+------+------+-----+-----+-----+-----+-----+-----|
| |A21XXXh | Off | Off | On | Off | Off | Off | Off | Off |
|-+--------+------+------+-----+-----+-----+-----+-----+-----|
| |A20XXXh | Off | Off | Off | On | Off | Off | Off | Off |
|-+--------+------+------+-----+-----+-----+-----+-----+-----|
| |A19XXXh | Off | Off | Off | Off | On | Off | Off | Off |
|------------------------------------------------------------|
|Note: A18XXXh is the default address for cards 1 & 2, |
|A17XXXh is the default address for cards 3 & 4. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CARD NUMBER |
|------------------------------------------------------------|
| CARD | J2 | J4 |
|------------------+--------------------+--------------------|
| » | First | pins 1 & 2 closed | pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | Second | pins 2 & 3 closed | pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | Third | pins 1 & 2 closed | pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | Fourth | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | J3 |
|----------------------------+-------------------------------|
| » | IRQ15 | pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | IRQ11 | pins 3 & 4 closed |
|---+------------------------+-------------------------------|
| | IRQ4 | pins 5 & 6 closed |
|---+------------------------+-------------------------------|
| | IRQ3 | pins 7 & 8 closed |
+------------------------------------------------------------+