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# 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
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location | Function | Location |
|-------------------+----------+------------------+----------|
| 15-pin connector | J3 | 26-pin feature | P3 |
| - VGA port | | connector | |
|-------------------+----------+------------------+----------|
| 25-pin parallel | J4 | 34-pin cable | P4 |
| port - external | | connector - | |
| | | floppy drive | |
|-------------------+----------+------------------+----------|
| 2-pin connector - | JP1 | 10-pin serial | P5 |
| secondary drive | | port 2 - | |
| active LED | | internal | |
|-------------------+----------+------------------+----------|
| 2-pin connector - | JP2 | 10-pin serial | P6 |
| primary drive | | port 1 - | |
| active LED | | internal | |
|-------------------+----------+------------------+----------|
| 40-pin secondary | P1 | 16-pin game port | P7 |
| IDE(AT) connector | | | |
|-------------------+----------+------------------+----------|
| 40-pin primary | P2 | | |
| IDE(AT) connector | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | JP4 | Pins 1 & 2 |
| | (one wait state) | | closed |
|---+---------------------------------+-------+--------------|
| | VL bus turbo speed enabled | JP4 | Pins 2 & 3 |
| | (zero wait state) | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP8 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP9 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | IRQ9 disabled | JP10 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | IRQ9 enabled for vertical sync | JP10 | Pins 2 & 3 |
| | signal | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP11 | Open |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | 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 | JP15 | Pins 1 & 2 |
| | 3F8h | | closed |
|---+---------------------------------+-------+--------------|
| | Serial port 1 I/O address is | JP15 | Pins 2 & 3 |
| | 3E8h | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS (CONTINUED) |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Serial port 2 I/O address is | JP16 | Pins 1 & 2 |
| | 2F8h | | closed |
|---+---------------------------------+-------+--------------|
| | Serial port 2 I/O address is | JP16 | Pins 2 & 3 |
| | 2E8h | | closed |
|---+---------------------------------+-------+--------------|
| » | Parallel port enabled | JP17 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Parallel port disabled | JP17 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP18 | Pins 2 & 3 |
| | alter | | closed |
|---+---------------------------------+-------+--------------|
| » | Parallel port I/O address is | JP19 | Pins 1 & 2 |
| | 378h | | closed |
|---+---------------------------------+-------+--------------|
| | Parallel port I/O address is | JP19 | Pins 2 & 3 |
| | 278h | | closed |
|---+---------------------------------+-------+--------------|
| » | Game port enabled | JP20 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Game port disabled | JP20 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP21 | Pins 2 & 3 |
| | alter | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP22 | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+