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# UNIDENTIFIED
8303 SPHF
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 16-bit, ISA |
|-------------------+----------------------------------------|
| Size: | Half-lenght, full-height card |
|-------------------+----------------------------------------|
| Hard drive | Two IDE (AT) Interface drives |
| supported: | |
|-------------------+----------------------------------------|
| Floppy drives | Two 360KB, 720KB, 1.2MB, or 1.44MB |
| supported: | drives |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-------------------------------------------------+----------|
| 34-pin control cable connector - floppy drive | J1 |
|-------------------------------------------------+----------|
| 40-pin IDE (AT) Interface control cable | J2 |
| connector-internal | |
|-------------------------------------------------+----------|
| 9-pin serial port 2 - internal | J3 |
|-------------------------------------------------+----------|
| 4-pin connector - drive active LED | J4 |
|-------------------------------------------------+----------|
| 9-pin serial port 1 - external | J5 |
|-------------------------------------------------+----------|
| 25-pin parallel port - external | J6 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| » | Floppy drive enabled | SW1/8 | On |
|---+--------------------------------+----------+------------|
| | Floppy drive disabled | SW1/8 | Off |
|---+--------------------------------+----------+------------|
| » | Hard drive enabled | SW1/9 | On |
|---+--------------------------------+----------+------------|
| | Hard drive disabled | SW1/9 | Off |
|---+--------------------------------+----------+------------|
| » | Factory configured setting - | SW1/10 | Off |
| | do not alter | | |
|---+--------------------------------+----------+------------|
| » | Factory configured setting - | JP1 | pins 1 & 2 |
| | do not alter | | closed |
|---+--------------------------------+----------+------------|
| » | Factory configured setting - | JP2 | pins 2 & 3 |
| | do not alter | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| » | Clock speed <= 12MHz | JP3 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Clock speed > 12 Mhz | JP3 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | I/O address ranges = 1F0h-1F7h | JP4 | pins 1 & 2 |
| | and 3F6h-3F7h | | closed |
|---+--------------------------------+----------+------------|
| | I/O address ranges = 170h-177h | JP4 | pins 2 & 3 |
| | and 376h-377h | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| Port 1 | Port 2 | SW1/1 | SW1/2 | SW1/3 |
|-----------------+------------+---------+---------+---------|
| » | COM1 | COM2 | Off | Off | Off |
|---+-------------+------------+---------+---------+---------|
| | COM2 | COM1 | On | On | Off |
|---+-------------+------------+---------+---------+---------|
| | Disabled | Disabled | N/A | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| Setting | SW1/4 | SW1/5 | SW1/6 | SW1/7 |
|-----------------+----------+----------+----------+---------|
| » | LPT1 | Off | Off | Off | On |
|---+-------------+----------+----------+----------+---------|
| | LPT2 | Off | On | On | Off |
|---+-------------+----------+----------+----------+---------|
| | Disabled | On | N/A | N/A | N/A |
+------------------------------------------------------------+