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# VIVA COMPUTER COMPANY
H757BF
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 16-bit, ISA |
|-------------------+----------------------------------------|
| Size: | Half-length, half-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 | JP1 |
|-----------------------------------------------+------------|
| 2-pin connector - Drive active LED | JP2 |
|-----------------------------------------------+------------|
| 34-pin control cable connector - floppy drive | JP9 |
|-----------------------------------------------+------------|
| 15-pin game port - internal | JP10 |
|-----------------------------------------------+------------|
| 10-pin serial port (COM2/4) - internal | JP11 |
|-----------------------------------------------+------------|
| 10-pin serial port (COM1/3) - external | JP12 |
|-----------------------------------------------+------------|
| 25-pin parallel port (LPT1/2) - external | JP13 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|--------------------------------+--------------+------------|
| » | Parallel port is | JP4 | closed |
| | uni-directional | | |
|---+----------------------------+--------------+------------|
| | Parallel port is | JP4 | open |
| | bi-directional | | |
|---+----------------------------+--------------+------------|
| » | Hard drive port address is | JP7/Jumper 1 | pins 1 & 2 |
| | 3F6, 3F7, 1F0-1F7h | | closed |
|---+----------------------------+--------------+------------|
| | Hard drive port address is | JP7/Jumper 1 | pins 2 & 3 |
| | 376, 377, 170-177h | | closed |
|---+----------------------------+--------------+------------|
| » | Floppy drive booting | JP7/Jumper 2 | pins 2 & 3 |
| | sequence is A:/ B: | | closed |
|---+----------------------------+--------------+------------|
| | Floppy drive booting | JP7/Jumper 2 | pins 1 & 2 |
| | sequence is B:/A: | | closed |
|---+----------------------------+--------------+------------|
| » | Floppy drive port address | JP7/Jumper 3 | pins 1 & 2 |
| | is 3F0-3F7h | | closed |
|---+----------------------------+--------------+------------|
| | Floppy drive port address | JP7/Jumper 3 | pins 2 & 3 |
| | is 370-377h | | closed |
|---+----------------------------+--------------+------------|
| » | Hard drive enabled | JP7/Jumper 4 | pins 2 & 3 |
| | | | closed |
|---+----------------------------+--------------+------------|
| | Hard drive disabled | JP7/Jumper 4 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|---------------------------+--------------+-----------------|
| » | Floppy drive enabled | JP7/Jumper 5 | pins 2 & 3 |
| | | | closed |
|---+-----------------------+--------------+-----------------|
| | Floppy drive disabled | JP7/Jumper 5 | pins 1 & 2 |
| | | | closed |
|---+-----------------------+--------------+-----------------|
| » | AT mode enabled | JP7/Jumper 6 | pins 2 & 3 |
| | | | closed |
|---+-----------------------+--------------+-----------------|
| | XT mode enabled | JP7/Jumper 6 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 (JP12) CONFIGURATION |
|------------------------------------------------------------|
| COM | JP6/Jumper 1 | JP6/Jumper 2 |
|------------------+--------------------+--------------------|
| » | COM1 | pins 2 & 3 closed | pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | COM3 | pins 1 & 2 closed | pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | COM4 | pins 2 & 3 closed | pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | Disabled | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 (JP11) CONFIGURATION |
|------------------------------------------------------------|
| COM | JP6/Jumper 3 | JP6/Jumper 4 |
|------------------+--------------------+--------------------|
| COM2 | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| COM3 | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| COM4 | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Disabled | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT (JP13) CONFIGURATION |
|------------------------------------------------------------|
| LPT | JP6/Jumper 5 | JP6/Jumper 6 |
|------------------+--------------------+--------------------|
| | LPT1 | pins 2 & 3 closed | pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| » | LPT2 | pins 1 & 2 closed | pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | LPT3 | pins 2 & 3 closed | pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | Disabled | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 (JP12) INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | JP8/Jumper 1 | JP8/Jumper 2 | JP8/Jumper 3 |
|------------+---------------+---------------+---------------|
| » | IRQ4 | closed | open | open |
|---+--------+---------------+---------------+---------------|
| | IRQ3 | open | closed | open |
|---+--------+---------------+---------------+---------------|
| | IRQ5 | open | open | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 (JP11) INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | JP8/Jumper 4 | JP8/Jumper 5 | JP8/Jumper 6 |
|------------+---------------+---------------+---------------|
| » | IRQ3 | closed | open | open |
|---+--------+---------------+---------------+---------------|
| | IRQ4 | open | closed | open |
|---+--------+---------------+---------------+---------------|
| | IRQ5 | open | open | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT (JP13) INTERRUPT REQUEST |
|------------------------------------------------------------|
| IRQ | JP8/Jumper 7 | JP8/Jumper 8 |
|------------------+--------------------+--------------------|
| » | IRQ7 | closed | open |
|---+--------------+--------------------+--------------------|
| | IRQ5 | open | closed |
+------------------------------------------------------------+