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# UNIDENTIFIED
AT BUS + 2S/1P
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 16-bit, ISA |
|-------------------+----------------------------------------|
| Size: | Half-length, 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 |
|-----------------------------------------------+------------|
| 40-pin IDE(AT) Interface connector | J1 |
|-----------------------------------------------+------------|
| 34-pin control cable connector - floppy drive | J2 |
|-----------------------------------------------+------------|
| 4-pin connector - Drive active LED | J5 |
|-----------------------------------------------+------------|
| 10-pin serial port (COM2/4) - internal | J9 |
|-----------------------------------------------+------------|
| 10-pin serial port (COM1/3) - external | J10 |
|-----------------------------------------------+------------|
| 25-pin parallel port (LPT1/2) - external | J12 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|--------------------------------+--------------+------------|
| » | Single speed floppy drives | J3 | pins 1 & 2 |
| | supported | | closed |
|---+----------------------------+--------------+------------|
| | Dual speed floppy drives | J3 | pins 2 & 3 |
| | supported | | closed |
|---+----------------------------+--------------+------------|
| » | Floppy drive | J4 | pins 2 & 3 |
| | precompensation enabled | | closed |
|---+----------------------------+--------------+------------|
| | Floppy drive | J4 | pins 1 & 2 |
| | precompensation disabled | | closed |
|---+----------------------------+--------------+------------|
| » | Chasis ground enabled | J11 | closed |
|---+----------------------------+--------------+------------|
| | Chasis ground disabled | J11 | open |
|---+----------------------------+--------------+------------|
| » | Serial Port 2 (J9) | J13/jumper 3 | closed |
| | Interrupt Request IRQ3 | | |
| | enabled | | |
|---+----------------------------+--------------+------------|
| | Serial Port 2 (J9) | J13/jumper 3 | open |
| | Interrupt Request IRQ3 | | |
| | disabled | | |
|---+----------------------------+--------------+------------|
| » | Serial Port 1 (J10) | J13/jumper 4 | closed |
| | Interrupt Request IRQ4 | | |
| | enabled | | |
|---+----------------------------+--------------+------------|
| | Serial Port 1 (J10) | J13/jumper 4 | open |
| | Interrupt Request IRQ4 | | |
| | disabled | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | J6/jumper 1 | J6/jumper 2 |
|----------------------------+---------------+---------------|
| » | IBM-compatible BIOS | open | closed |
|---+------------------------+---------------+---------------|
| | IBM BIOS | closed | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 (J10) CONFIGURATION |
|------------------------------------------------------------|
| COM | J7/jumper 1 | J7/jumper 3 |
|------------------------+-----------------+-----------------|
| » | 1 | closed | open |
|---+--------------------+-----------------+-----------------|
| | 3 | open | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 (J9) CONFIGURATION |
|------------------------------------------------------------|
| COM | J7/jumper 2 | J7/jumper 4 |
|------------------------+-----------------+-----------------|
| » | 2 | closed | open |
|---+--------------------+-----------------+-----------------|
| | 4 | open | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT (J12) CONFIGURATION |
|------------------------------------------------------------|
| LPT | J7/jumper 5 | J7/jumper 6 |
|------------------------+-----------------+-----------------|
| » | 1 | open | closed |
|---+--------------------+-----------------+-----------------|
| | 2 | closed | open |
|---+--------------------+-----------------+-----------------|
| | Disabled | open | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOPPY DRIVE CONFIGURATION |
|------------------------------------------------------------|
| Function | J8/jumper 1 | J8/jumper 2 |
|--------------------------------+-------------+-------------|
| » | Floppy drive port address | closed | open |
| | is 3F0-3F7h | | |
|---+----------------------------+-------------+-------------|
| | Floppy drive port address | open | closed |
| | is 370-377h | | |
|---+----------------------------+-------------+-------------|
| | Floppy drive disabled | open | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT (J12) INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | J13/jumper 1 | J13/jumper 2 |
|------------------------+-----------------+-----------------|
| | 5 | closed | open |
|----+-------------------+-----------------+-----------------|
| » | 7 | open | closed |
+------------------------------------------------------------+