OCEAN INFORMATION SYSTEMS, INC.
VL-COMBO SUPER REV.1.2
Data bus: | 32-bit, VL-bus |
Size: | Three/quarter-length, full-height card |
Hard drive supported: | Two IDE (AT) interface drives |
Floppy drives supported: | Two 360KB, 720KB, 1.2MB, 1.44MB, or 2.88MB drives |

CONNECTIONS | |
Function | Location |
40-pin IDE (AT) Interface connector | P1 |
4-pin connector - drive active LED | P2 |
VGA feature connector | P3 |
34-pin control cable connector - floppy drive | P4 |
10-pin serial port 2 | P5 |
10-pin serial port 1 | P7 |
15-pin analog video connector | J2 |
25-pin parallel port | J3 |
IDE DRIVE SELECT | |||
Function | JP1 | JP2 | |
| » | IDE drive enabled | pins 1 & 2 closed | pins 1 & 2 closed |
IDE drive disabled | pins 2 & 3 closed | pins 2 & 3 closed | |
IDE DRIVE SPEED SELECT | |||
Function | JP3 | JP4 | |
| » | IDE speed = normal | pins 1 & 2 closed | pins 1 & 2 closed |
IDE speed = medium | pins 2 & 3 closed | pins 1 & 2 closed | |
IDE speed = high | pins 2 & 3 closed | pins 2 & 3 closed | |
Factory configuration - do not use | pins 1 & 2 closed | pins 2 & 3 closed | |
Note: Do not use the last setting, could cause damage. | |||
VIDEO PORT | |||
Function | JP5 | JP6 | |
| » | VGA port enabled | pins 1 & 2 closed | pins 1 & 2 closed |
VGA port disabled | pins 2 & 3 closed | pins 2 & 3 closed | |
VIDEO PORT | |||
Function | JP22 | JP23 | |
| » | Parallel port uses DMA channel 1 | pins 1 & 2 closed | pins 1 & 2 closed |
Parallel port uses DMA channel 3 | pins 2 & 3 closed | pins 2 & 3 closed | |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
| » | Factory configured - do not alter | JP12 | pins 2 & 3 closed |
| » | Floppy drive enabled | JP19 | pins 1 & 2 closed |
Floppy drive disabled | JP19 | pins 2 & 3 closed | |
| » | ECP/EPP printer modes enabled | JP24 | pins 1 & 2 closed |
ECP/EPP printer modes disabled | JP24 | pins 2 & 3 closed | |
PARALLEL PORT INTERRUPT SELECT | ||
IRQ | JP11 | |
| » | IRQ7 | pins 2 & 3 closed |
IRQ5 | pins 1 & 2 closed | |
Disabled | all pins open | |
PARALLEL PORT CONFIGURATION | |||
LPT/Address | JP13 | JP14 | |
| » | LPT1/378h | pins 2 & 3 closed | pins 1 & 2 closed |
LPT2/278h | pins 1 & 2 closed | pins 1 & 2 closed | |
LPT3/3BCh | pins 1 & 2 closed | pins 2 & 3 closed | |
Disabled | pins 2 & 3 closed | pins 2 & 3 closed | |
SERIAL PORT 1 CONFIGURATION | |||
COM/Address | JP15 | JP16 | |
| » | COM1/3F8h | pins 1 & 2 closed | pins 1 & 2 closed |
COM2/2F8h | pins 2 & 3 closed | pins 1 & 2 closed | |
COM3/338h | pins 1 & 2 closed | pins 2 & 3 closed | |
Disabled | pins 2 & 3 closed | pins 2 & 3 closed | |
SERIAL PORT 2 CONFIGURATION | |||
COM/Address | JP17 | JP18 | |
| » | COM2/2F8h | pins 1 & 2 closed | pins 1 & 2 closed |
COM1/3F8h | pins 2 & 3 closed | pins 1 & 2 closed | |
COM4/238h | pins 1 & 2 closed | pins 2 & 3 closed | |
Disabled | pins 2 & 3 closed | pins 2 & 3 closed | |