OCEAN INFORMATION SYSTEMS, INC.
COMPACT I/O CARD
| Card Type | Hard drive controller |
| Chip Set | Unidentified |
| Hard Drives supported | Two IDE(AT) drives |
| Floppy drives supported | Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
| I/O Options | Floppy drive interface, IDE interface, parallel port, serial ports (2) |
| Data Bus | 16-bit ISA |
CONNECTIONS |
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Function |
Label |
Function |
Label |
| 4-pin connector - drive active LED | P1 |
10-pin serial port 1 - internal | P5 |
| 40-pin IDE(AT) connector | P2 |
9-pin serial port 1 - external | P6 |
| 34-pin cable connector - floppy drive | P3 |
25-pin parallel port | P7 |
| 10-pin serial port 2 - internal | P4 |
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USER CONFIGURABLE SETTING S |
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Function |
Label |
Position |
|
| IDE(AT) interface enabled | J1 |
Pins 1 & 2 closed |
|
| IDE(AT) interface disabled | J1 |
Pins 2 & 3 closed |
|
» |
IDE interface interrupt set to direct IRQ | J2 |
Pins 1 & 2 closed |
| IDE interface interrupt set to buffered IRQ | J2 |
Pins 2 & 3 closed |
|
» |
Factory configured - do not alter | J3 |
Pins 1 & 2 closed |
| Floppy drive interface disabled | J12 |
Pins 1 & 2 closed |
|
| Floppy drive interface enabled | J12 |
Pins 2 & 3 closed |
|
SERIAL PORT 1 ADDRESS SELECTION |
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Setting |
J4 |
J5 |
J6 |
J7 |
J9 |
COM1 (3F8h) |
Open |
Open |
Open |
Pins 1 & 2 |
Pins 1 & 2 |
COM2 (2F8h) |
Open |
Open |
Pins 1 & 2 |
Open |
Pins 2 & 3 |
COM3 (3E8h) |
Open |
Pins 1 & 2 |
Open |
Open |
Pins 1 & 2 |
COM4 (2E8h) |
Pins 1 & 2 |
Open |
Open |
Open |
Pins 2 & 3 |
Disabled |
Open |
Open |
Open |
Open |
Open |
| Note: Pins designated should be in the closed position. | |||||
SERIAL PORT 2 ADDRESS SELECTIO N |
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Setting |
J4 |
J5 |
J6 |
J7 |
J8 |
COM1 (3F8h) |
Open |
Open |
Open |
Pins 2 & 3 |
Pins 1 & 2 |
COM2 (2F8h) |
Open |
Open |
Pins 2 & 3 |
Open |
Pins 2 & 3 |
COM3 (3E8h) |
Open |
Pins 2 & 3 |
Open |
Open |
Pins 1 & 2 |
COM4 (2E8h) |
Pins 2 & 3 |
Open |
Open |
Open |
Pins 2 & 3 |
Disabled |
Open |
Open |
Open |
Open |
Open |
| Note: Pins designated should be in the closed position. | |||||
PARALLEL PORT ADDRESS SELECTION |
||
Setting |
J10 |
J11 |
LPT1 (378h) |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
LPT2 (278h) |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Disabled |
Open |
Open |