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# ARNET CORPORATION
MULTIPORT
Card Type I/O controller
Chipset/Controller Startech UART
I/O Options Serial port (4 or 8)
Maximum DRAM N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|-------------------------------+----------------------------|
| DB-62 connector | CN1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| UART I/O ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| Address | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 |
|----------+---------+---------+---------+---------+---------|
| 100h | On | On | On | Off | On |
|----------+---------+---------+---------+---------+---------|
| 140h | On | Off | On | Off | On |
|----------+---------+---------+---------+---------+---------|
| 180h | On | On | Off | Off | On |
|----------+---------+---------+---------+---------+---------|
| 1C0h | On | Off | Off | Off | On |
|----------+---------+---------+---------+---------+---------|
| 200h | On | On | On | On | Off |
|----------+---------+---------+---------+---------+---------|
| 240h | On | Off | On | On | Off |
|----------+---------+---------+---------+---------+---------|
| 300h | On | On | On | Off | Off |
|----------+---------+---------+---------+---------+---------|
| 340h | On | Off | On | Off | Off |
|----------+---------+---------+---------+---------+---------|
| 280h | On | On | Off | On | Off |
|----------+---------+---------+---------+---------+---------|
| 2C0h | On | Off | Off | On | Off |
|----------+---------+---------+---------+---------+---------|
| 380h | On | On | Off | Off | Off |
|----------+---------+---------+---------+---------+---------|
| 3C0h | On | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| OPTION I/O ADDRESS CONFIGURATION |
|------------------------------------------------------------|
|Address | SW2/1 | SW2/2 | SW2/3 |SW2/4 |SW2/5 |SW2/6 |SW2/7 |
|--------+-------+-------+-------+------+------+------+------|
| 100h | On | On | On | On | On | Off | On |
|--------+-------+-------+-------+------+------+------+------|
| 110h | On | Off | On | On | On | Off | On |
|--------+-------+-------+-------+------+------+------+------|
| 120h | On | On | Off | On | On | Off | On |
|--------+-------+-------+-------+------+------+------+------|
| 130h | On | Off | Off | On | On | Off | On |
|--------+-------+-------+-------+------+------+------+------|
| 140h | On | On | On | Off | On | Off | On |
|--------+-------+-------+-------+------+------+------+------|
| 150h | On | Off | On | Off | On | Off | On |
|--------+-------+-------+-------+------+------+------+------|
| 160h | On | On | Off | Off | On | Off | On |
|--------+-------+-------+-------+------+------+------+------|
| 170h | On | Off | Off | Off | On | Off | On |
|--------+-------+-------+-------+------+------+------+------|
| 180h | On | On | On | On | Off | Off | On |
|--------+-------+-------+-------+------+------+------+------|
| 190h | On | Off | On | On | Off | Off | On |
|--------+-------+-------+-------+------+------+------+------|
| 1A0h | On | On | Off | On | Off | Off | On |
|--------+-------+-------+-------+------+------+------+------|
| 1B0h | On | Off | Off | On | Off | Off | On |
|--------+-------+-------+-------+------+------+------+------|
| 1C0h | On | On | On | Off | Off | Off | On |
|--------+-------+-------+-------+------+------+------+------|
| 1D0h | On | Off | On | Off | Off | Off | On |
|--------+-------+-------+-------+------+------+------+------|
| 1E0h | On | On | Off | Off | Off | Off | On |
|--------+-------+-------+-------+------+------+------+------|
| 1F0h | On | Off | Off | Off | Off | Off | On |
|--------+-------+-------+-------+------+------+------+------|
| 200h | On | On | On | On | On | On | Off |
|--------+-------+-------+-------+------+------+------+------|
| 210h | On | Off | On | On | On | On | Off |
|--------+-------+-------+-------+------+------+------+------|
| 220h | On | On | Off | On | On | On | Off |
|--------+-------+-------+-------+------+------+------+------|
| 230h | On | Off | Off | On | On | On | Off |
|--------+-------+-------+-------+------+------+------+------|
| 240h | On | On | On | Off | On | On | Off |
|--------+-------+-------+-------+------+------+------+------|
| 250h | On | Off | On | Off | On | On | Off |
|--------+-------+-------+-------+------+------+------+------|
| 260h | On | On | Off | Off | On | On | Off |
|--------+-------+-------+-------+------+------+------+------|
| 270h | On | Off | Off | Off | On | On | Off |
|--------+-------+-------+-------+------+------+------+------|
| 280h | On | On | On | On | Off | On | Off |
|--------+-------+-------+-------+------+------+------+------|
| 290h | On | Off | On | On | Off | On | Off |
|--------+-------+-------+-------+------+------+------+------|
| 2A0h | On | On | Off | On | Off | On | Off |
|--------+-------+-------+-------+------+------+------+------|
| 2B0h | On | Off | Off | On | Off | On | Off |
|--------+-------+-------+-------+------+------+------+------|
| 2C0h | On | On | On | Off | Off | On | Off |
|--------+-------+-------+-------+------+------+------+------|
| 2D0h | On | Off | On | Off | Off | On | Off |
|--------+-------+-------+-------+------+------+------+------|
| 2E0h | On | On | Off | Off | Off | On | Off |
|--------+-------+-------+-------+------+------+------+------|
| 2F0h | On | Off | Off | Off | Off | On | Off |
|--------+-------+-------+-------+------+------+------+------|
| 300h | On | On | On | On | On | Off | Off |
|--------+-------+-------+-------+------+------+------+------|
| 310h | On | Off | On | On | On | Off | Off |
|--------+-------+-------+-------+------+------+------+------|
| 320h | On | On | Off | On | On | Off | Off |
|--------+-------+-------+-------+------+------+------+------|
| 330h | On | Off | Off | On | On | Off | Off |
|--------+-------+-------+-------+------+------+------+------|
| 340h | On | On | On | Off | On | Off | Off |
|--------+-------+-------+-------+------+------+------+------|
| 350h | On | Off | On | Off | On | Off | Off |
|--------+-------+-------+-------+------+------+------+------|
| 360h | On | On | Off | Off | On | Off | Off |
|--------+-------+-------+-------+------+------+------+------|
| 370h | On | Off | Off | Off | On | Off | Off |
|--------+-------+-------+-------+------+------+------+------|
| 380h | On | On | On | On | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| OPTION I/O ADDRESS CONFIGURATION (CONTINUED) |
|------------------------------------------------------------|
|Address | SW2/1 | SW2/2 | SW2/3 |SW2/4 |SW2/5 |SW2/6 |SW2/7 |
|--------+-------+-------+-------+------+------+------+------|
| 390h | On | Off | On | On | Off | Off | Off |
|--------+-------+-------+-------+------+------+------+------|
| 3A0h | On | On | Off | On | Off | Off | Off |
|--------+-------+-------+-------+------+------+------+------|
| 3B0h | On | Off | Off | On | Off | Off | Off |
|--------+-------+-------+-------+------+------+------+------|
| 3C0h | On | On | On | Off | Off | Off | Off |
|--------+-------+-------+-------+------+------+------+------|
| 3D0h | On | Off | On | Off | Off | Off | Off |
|--------+-------+-------+-------+------+------+------+------|
| 3E0h | On | On | Off | Off | Off | Off | Off |
|--------+-------+-------+-------+------+------+------+------|
| 3F0h | On | Off | Off | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | SW3/1 | SW3/2 | SW3/3 | SW3/4 | SW3/5 | SW3/6 |
|----------+--------+--------+-------+-------+-------+-------|
| IRQ2 | On | Off | Off | Off | Off | Off |
|----------+--------+--------+-------+-------+-------+-------|
| IRQ3 | Off | On | Off | Off | Off | Off |
|----------+--------+--------+-------+-------+-------+-------|
| IRQ4 | Off | Off | On | Off | Off | Off |
|----------+--------+--------+-------+-------+-------+-------|
| IRQ5 | Off | Off | Off | On | Off | Off |
|----------+--------+--------+-------+-------+-------+-------|
| IRQ6 | Off | Off | Off | Off | On | Off |
|----------+--------+--------+-------+-------+-------+-------|
| IRQ7 | Off | Off | Off | Off | Off | On |
|----------+--------+--------+-------+-------+-------+-------|
| Not used | Off | Off | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RECOMMENDED OPERATING SYSTEM CONFIGURATIONS |
|------------------------------------------------------------|
| Operating | Address | UART I/O | Option | IRQ |
| System | Setting | Address | I/O | |
| | | | Address | |
|-----------------+-----------+----------+-----------+-------|
| Concurrent DOS | Primary | 280h | 270h | IRQ3 |
|-----------------+-----------+----------+-----------+-------|
| Concurrent DOS | Alternate | 2C0h | 2B0h | IRQ3 |
|-----------------+-----------+----------+-----------+-------|
| Formula IV | Primary | 280h | Not used | IRQ2 |
|-----------------+-----------+----------+-----------+-------|
| Formula IV | Alternate | Any | Not used | Not |
| | | unused | | used |
| | | area | | |
|-----------------+-----------+----------+-----------+-------|
| SunSoft | Primary | 200h | 240h | IRQ3 |
| Interactive | | | | |
| 386/ix | | | | |
|-----------------+-----------+----------+-----------+-------|
| SunSoft | Alternate | 280h | 2C0h | IRQ3 |
| Interactive | | | | |
| 386/ix | | | | |
|-----------------+-----------+----------+-----------+-------|
| MBOS/5, BOS/LAN | Primary | 2C0h | Not used | IRQ3 |
|-----------------+-----------+----------+-----------+-------|
| MBOS/5, BOS/LAN | Alternate | 100h | Not used | IRQ3 |
|-----------------+-----------+----------+-----------+-------|
| MBOS/5, BOS/LAN | Alternate | 200h | Not used | IRQ3 |
|-----------------+-----------+----------+-----------+-------|
| Microport UNIX | Primary | 100h | Not used | IRQ3 |
|-----------------+-----------+----------+-----------+-------|
| Microport UNIX | Alternate | 280h | Not used | IRQ3 |
|-----------------+-----------+----------+-----------+-------|
| Micronetic | Primary | 280h | Not used | IRQ3 |
| MUMPS | | | | |
|-----------------+-----------+----------+-----------+-------|
| Micronetic | Alternate | 240h | Not used | IRQ5 |
| MUMPS | | | | |
|-----------------+-----------+----------+-----------+-------|
| MUMPS/CCSM | Primary | 280h | 2C0h | IRQ3 |
| MUMPS | | | | |
|-----------------+-----------+----------+-----------+-------|
| MUMPS/CCSM | Alternate | 200h | 2D0h | IRQ3 |
| MUMPS | | | | |
|-----------------+-----------+----------+-----------+-------|
| PC-MOS/386 | Primary | 280h | Not used | IRQ2 |
|-----------------+-----------+----------+-----------+-------|
| PC-MOS/386 | Alternate | 100h | Not used | IRQ2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RECOMMENDED OPERATING SYSTEM CONFIGURATIONS (CONTINUED) |
|------------------------------------------------------------|
| Operating | Address | UART I/O | Option I/O | IRQ |
| System | Setting | Address | Address | |
|---------------+-----------+----------+--------------+------|
| PICK | Primary | 280h | 2C0h | IRQ4 |
|---------------+-----------+----------+--------------+------|
| PICK | Alternate | 180h | 1C0h | IRQ3 |
|---------------+-----------+----------+--------------+------|
| PICK OA | Primary | 200h | 240h | IRQ2 |
|---------------+-----------+----------+--------------+------|
| PICK OA | Alternate | 100h | 140h | IRQ7 |
|---------------+-----------+----------+--------------+------|
| QNX | Primary | 280h | Not used | IRQ2 |
|---------------+-----------+----------+--------------+------|
| QNX | Primary | 280h | Not used | IRQ3 |
|---------------+-----------+----------+--------------+------|
| QNX | Primary | 280h | Not used | IRQ4 |
|---------------+-----------+----------+--------------+------|
| QNX | Primary | 280h | Not used | IRQ5 |
|---------------+-----------+----------+--------------+------|
| Quick Connect | Primary | 280h | Not used | IRQ4 |
|---------------+-----------+----------+--------------+------|
| SCO | Primary | 100h | 140h | IRQ4 |
| XENIX/UNIX V | | | | |
|---------------+-----------+----------+--------------+------|
| SCO | Alternate | 280h | 2C0h | IRQ4 |
| XENIX/UNIX V | | | | |
|---------------+-----------+----------+--------------+------|
| SCO | Primary | 180h | 1C0h | IRQ3 |
| XENIX/UNIX V | | | | |
|---------------+-----------+----------+--------------+------|
| SCO | Alternate | 300h | 340h | N/A |
| XENIX/UNIX V | | | | |
|---------------+-----------+----------+--------------+------|
| THEOS | Primary | 100h | 140h | IRQ5 |
|---------------+-----------+----------+--------------+------|
| THEOS | Alternate | 180h | 1C0h | IRQ7 |
|---------------+-----------+----------+--------------+------|
| VENIX/86 | Primary | 280h | Not used | IRQ3 |
|---------------+-----------+----------+--------------+------|
| VENIX/86 | Alternate | 280h | Not used | IRQ4 |
|---------------+-----------+----------+--------------+------|
| VM/386 | Primary | 300h | 340h | IRQ5 |
|---------------+-----------+----------+--------------+------|
| XMM-DOS | Primary | 100h | 180h | IRQ2 |
|---------------+-----------+----------+--------------+------|
| XMM-DOS | Alternate | 140h | 190h | IRQ7 |
|---------------+-----------+----------+--------------+------|
| MS-DOS | Primary | 280h | Not used | IRQ2 |
|---------------+-----------+----------+--------------+------|
| MS-DOS | Alternate | 140h | Not used | IRQ3 |
+------------------------------------------------------------+