OCEAN INFORMATION SYSTEMS
VL-COMBO-2
Data Bus | 32-bit VESA Local Bus |
Card Size | Three-quarter length, full-height card |
Hard Drives supported | Four IDE(AT) interface drives |
Floppy drives supported | 360KB, 720KB, 1.2MB, or 1.44MB drives |

CONNECTIONS | |||
Function | Location | Function | Location |
15-pin connector - VGA port | J3 | 26-pin feature connector | P3 |
25-pin parallel port - external | J4 | 34-pin cable connector - floppy drive | P4 |
2-pin connector - secondary drive active LED | JP1 | 10-pin serial port 2 - internal | P5 |
2-pin connector - primary drive active LED | JP2 | 10-pin serial port 1 - internal | P6 |
40-pin secondary IDE(AT) connector | P1 | 16-pin game port | P7 |
40-pin primary IDE(AT) connector | P2 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
| » | VL-IDE interface enabled | JP3 | Pins 1 & 2 closed |
| VL-IDE interface disabled | JP3 | Pins 2 & 3 closed | |
| » | VL bus normal speed enabled (one wait state) | JP4 | Pins 1 & 2 closed |
| VL bus turbo speed enabled (zero wait state) | JP4 | Pins 2 & 3 closed | |
| » | Factory configured - do not alter | JP8 | Unidentified |
| » | Factory configured - do not alter | JP9 | Unidentified |
| » | IRQ9 disabled | JP10 | Pins 1 & 2 closed |
| IRQ9 enabled for vertical sync signal | JP10 | Pins 2 & 3 closed | |
| » | Factory configured - do not alter | JP11 | Open |
| » | Floppy drive interface enabled | JP12 | Pins 1 & 2 closed |
| Floppy drive interface disabled | JP12 | Pins 2 & 3 closed | |
| » | Serial port 1 enabled | JP13 | Pins 1 & 2 closed |
| Serial port 1 disabled | JP13 | Pins 2 & 3 closed | |
| » | Serial port 2 enabled | JP14 | Pins 1 & 2 closed |
| Serial port 2 disabled | JP14 | Pins 2 & 3 closed | |
| » | Serial port 1 I/O address is 3F8h | JP15 | Pins 1 & 2 closed |
| Serial port 1 I/O address is 3E8h | JP15 | Pins 2 & 3 closed | |
USER CONFIGURABLE SETTINGS (CONTINUED) | |||
Function | Label | Position | |
| » | Serial port 2 I/O address is 2F8h | JP16 | Pins 1 & 2 closed |
| Serial port 2 I/O address is 2E8h | JP16 | Pins 2 & 3 closed | |
| » | Parallel port enabled | JP17 | Pins 1 & 2 closed |
| Parallel port disabled | JP17 | Pins 2 & 3 closed | |
| » | Factory configured - do not alter | JP18 | Pins 2 & 3 closed |
| » | Parallel port I/O address is 378h | JP19 | Pins 1 & 2 closed |
| Parallel port I/O address is 278h | JP19 | Pins 2 & 3 closed | |
| » | Game port enabled | JP20 | Pins 1 & 2 closed |
| Game port disabled | JP20 | Pins 2 & 3 closed | |
| » | Factory configured - do not alter | JP21 | Pins 2 & 3 closed |
| » | Factory configured - do not alter | JP22 | Unidentified |
VGA DRAM CONFIGURATION | ||
Size | Bank 0 | Bank 1 |
1MB | 1MB | None |
2MB | 1MB | (2) 256KBx16 |
Note: The VL-COMBO-2 comes with 1MB of memory installed; the location (Bank 0) is unidentified | ||