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# SEALEVEL SYSTEMS, INC.
C4-104
Card Type Serial card
Chip Set Unidentified
I/O Options Serial ports (4), PC/104 connectors (2)
Data Bus Unidentified
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------+-------+---------------------------+-------|
| Serial port | J1 | Serial port | J4 |
|----------------+-------+---------------------------+-------|
| Serial port | J2 | PC/104 connector (8-bit) | P1 |
|----------------+-------+---------------------------+-------|
| Serial port | J3 | PC/104 connector (16-bit) | P2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured – do not | E5 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured – do not | E6 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT ADDRESS SELECTION |
|------------------------------------------------------------|
| Port 1 |Port 2 |Port 3 |Port 4 |SW1/1 |SW1/2 |SW1/3 |SW1/4 |
|--------+-------+-------+-------+------+------+------+------|
|» | 3F8 | 2F8 | 3E8 | 2E8 | On | On | On | On |
|--+-----+-------+-------+-------+------+------+------+------|
| | 2F8 | 3E8 | 2E8 | 2E0 | On | On | On | Off |
|--+-----+-------+-------+-------+------+------+------+------|
| | 3E8 | 2E8 | 280 | 288 | On | On | Off | On |
|--+-----+-------+-------+-------+------+------+------+------|
| | 280 | 288 | 290 | 298 | On | On | Off | Off |
|--+-----+-------+-------+-------+------+------+------+------|
| | 2A0 | 2A8 | 2B0 | 2B8 | On | Off | On | On |
|--+-----+-------+-------+-------+------+------+------+------|
| | 500 | 508 | 510 | 518 | On | Off | On | Off |
|--+-----+-------+-------+-------+------+------+------+------|
| | 580 | 588 | 590 | 598 | On | Off | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | E1 |
|----------------------------+-------------------------------|
| | 2/9 | Pins 1 & 2 closed |
|------------+---------------+-------------------------------|
| | 3 | Pins 3 & 4 closed |
|------------+---------------+-------------------------------|
| | 4 | Pins 5 & 6 closed |
|------------+---------------+-------------------------------|
| | 5 | Pins 7 & 8 closed |
|------------+---------------+-------------------------------|
| | 7 | Pins 9 & 10 closed |
|------------+---------------+-------------------------------|
| | 10 | Pins 11 & 12 closed |
|------------+---------------+-------------------------------|
| | 11 | Pins 13 & 14 closed |
|------------+---------------+-------------------------------|
| | 12 | Pins 15 & 16 closed |
|------------+---------------+-------------------------------|
| | 15 | Pins 17 & 18 closed |
|------------+---------------+-------------------------------|
| » | R | Pins 19 & 20 closed |
|------------------------------------------------------------|
| Note: IRQ R connects a 1k ohm pull down resistor to allow |
| multiple ports to share a single IRQ. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | E2 |
|----------------------------+-------------------------------|
| | 2/9 | Pins 1 & 2 closed |
|-----+----------------------+-------------------------------|
| | 3 | Pins 3 & 4 closed |
|-----+----------------------+-------------------------------|
| | 4 | Pins 5 & 6 closed |
|-----+----------------------+-------------------------------|
| | 5 | Pins 7 & 8 closed |
|-----+----------------------+-------------------------------|
| | 7 | Pins 9 & 10 closed |
|-----+----------------------+-------------------------------|
| | 10 | Pins 11 & 12 closed |
|-----+----------------------+-------------------------------|
| | 11 | Pins 13 & 14 closed |
|-----+----------------------+-------------------------------|
| | 12 | Pins 15 & 16 closed |
|-----+----------------------+-------------------------------|
| | 15 | Pins 17 & 18 closed |
|-----+----------------------+-------------------------------|
| » | R | Pins 19 & 20 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 3 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | E3 |
|----------------------------+-------------------------------|
| | 2/9 | Pins 1 & 2 closed |
|-----+----------------------+-------------------------------|
| | 3 | Pins 3 & 4 closed |
|-----+----------------------+-------------------------------|
| | 4 | Pins 5 & 6 closed |
|-----+----------------------+-------------------------------|
| | 5 | Pins 7 & 8 closed |
|-----+----------------------+-------------------------------|
| | 7 | Pins 9 & 10 closed |
|-----+----------------------+-------------------------------|
| | 10 | Pins 11 & 12 closed |
|-----+----------------------+-------------------------------|
| | 11 | Pins 13 & 14 closed |
|-----+----------------------+-------------------------------|
| | 12 | Pins 15 & 16 closed |
|-----+----------------------+-------------------------------|
| | 15 | Pins 17 & 18 closed |
|-----+----------------------+-------------------------------|
| » | R | Pins 19 & 20 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 4 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | E4 |
|----------------------------+-------------------------------|
| | 2/9 | Pins 1 & 2 closed |
|-----+----------------------+-------------------------------|
| | 3 | Pins 3 & 4 closed |
|-----+----------------------+-------------------------------|
| | 4 | Pins 5 & 6 closed |
|-----+----------------------+-------------------------------|
| | 5 | Pins 7 & 8 closed |
|-----+----------------------+-------------------------------|
| | 7 | Pins 9 & 10 closed |
|-----+----------------------+-------------------------------|
| | 10 | Pins 11 & 12 closed |
|-----+----------------------+-------------------------------|
| | 11 | Pins 13 & 14 closed |
|-----+----------------------+-------------------------------|
| | 12 | Pins 15 & 16 closed |
|-----+----------------------+-------------------------------|
| | 15 | Pins 17 & 18 closed |
|-----+----------------------+-------------------------------|
| » | R | Pins 19 & 20 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 SELECTION |
|------------------------------------------------------------|
| Setting | E7 |
|-------------------------------+----------------------------|
| RS-485 enabled | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| RS-485 echo disabled | Pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 SELECTION |
|------------------------------------------------------------|
| Setting | E7 |
|-------------------------------+----------------------------|
| RS-485 enabled | Pins 5 & 6 closed |
|-------------------------------+----------------------------|
| RS-485 echo disabled | Pins 7 & 8 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 3 SELECTION |
|------------------------------------------------------------|
| Setting | E8 |
|-------------------------------+----------------------------|
| RS-485 enabled | Pins 1 & 2 closed |
|-------------------------------+----------------------------|
| RS-485 echo disabled | Pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 4 SELECTION |
|------------------------------------------------------------|
| Setting | E8 |
|-------------------------------+----------------------------|
| RS-485 enabled | Pins 5 & 6 closed |
|-------------------------------+----------------------------|
| RS-485 echo disabled | Pins 7 & 8 closed |
+------------------------------------------------------------+