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# OCEAN INFORMATION SYSTEMS, INC.
COMPACT I/O B
+------------------------------------------------------------+
+------------------------------------------------------------+
Data bus: 16-bit, ISA
Size: Half-length, full-height card
Hard drives supported: Two IDE(AT) Interface drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
drives
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-----------------------------------------------+------------|
| 40-pin IDE(AT) Interface connector | P1 |
|-----------------------------------------------+------------|
| 34-pin control cable connector - floppy drive | P2 |
|-----------------------------------------------+------------|
| 4-pin connector - Drive Active LED | P3 |
|-----------------------------------------------+------------|
| 9-pin serial port 1 (COM1) - internal | P4 |
|-----------------------------------------------+------------|
| 9-pin serial port 2 (COM2) - internal | P5 |
|-----------------------------------------------+------------|
| 15-pin game port - external | P6 |
|-----------------------------------------------+------------|
| 25-pin parallel port - external | P7 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------+----------+------------------|
| » | Floppy drive enabled | J1 | pins 1 & 2 |
| | | | closed |
|---+--------------------------+----------+------------------|
| | Floppy drive disabled | J1 | pins 2 & 3 |
| | | | closed |
|---+--------------------------+----------+------------------|
| » | Hard drive enabled | J2 | pins 1 & 2 |
| | | | closed |
|---+--------------------------+----------+------------------|
| | Hard drive disabled | J2 | pins 2 & 3 |
| | | | closed |
|---+--------------------------+----------+------------------|
| » | Fast speed IDE interface | J10 | open |
|---+--------------------------+----------+------------------|
| | Slow speed IDE interface | J10 | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 CONFIGURATION |
|------------------------------------------------------------|
| Select | J3 | J4 |
|---------------------+-------------------+------------------|
| | Disabled | pins 2 & 3 closed | - |
|---+-----------------+-------------------+------------------|
| » | COM1 (3F8-3FFh) | pins 1 & 2 closed | pins 1 & 2 |
| | | | closed |
|---+-----------------+-------------------+------------------|
| | COM3 (3E8-3EFh) | pins 1 & 2 closed | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 CONFIGURATION |
|------------------------------------------------------------|
| Select | J5 | J6 |
|---------------------+-------------------+------------------|
| | Disabled | pins 2 & 3 closed | - |
|---+-----------------+-------------------+------------------|
| » | COM2 (2F8-2FFh) | pins 1 & 2 closed | pins 1 & 2 |
| | | | closed |
|---+-----------------+-------------------+------------------|
| | COM4 (2E8-2EFh) | pins 1 & 2 closed | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| Select | J7 | J8 | J9 |
|-----------------+----------------+------------+------------|
| | Disabled | pins 2 & 3 | - | - |
| | | closed | | |
|---+-------------+----------------+------------+------------|
| » | LPT2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | (378-37Fh) | closed | closed | closed |
|---+-------------+----------------+------------+------------|
| | LPT3 | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | (278-27Fh) | closed | closed | closed |
+------------------------------------------------------------+