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# REVEAL COMPUTER PRODUCTS
SC400 PRO 16 (REV. 1)
Card Type Sound card
Chip Set Unidentified
Maximum Onboard None
Memory
I/O Options Line in, microphone in, volume control,
speaker out, game/MIDI port, audio in -
CD-ROM, CD-ROM interfaces (2), PC speaker -
internal, wavetable connector
Data Bus 16-bit ISA
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------+-------+---------------------------+-------|
| Line in | CN1 | Audio in-CD-ROM | CN6 |
|----------------+-------+---------------------------+-------|
| Microphone in | CN2 | CD-ROM interface | CN7 |
| | | (Panasonic) | |
|----------------+-------+---------------------------+-------|
| Volume control | CN3 | CD-ROM interface | CN8 |
| | | (Mitsumi) | |
|----------------+-------+---------------------------+-------|
| Speaker out | CN4 | Wavetable connector | CN9 |
|----------------+-------+---------------------------+-------|
| Game/MIDI port | CN5 | PC speaker - internal | J2 |
| | | (not used) | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured – do not | J1 | Open |
| | alter (PC speaker amp) | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured – do not | J4 | Closed |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured – do not | J5 | Closed |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured – do not | JX1 | Unidentified |
| | alter (microphone select) | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured – do not | JX2 | Unidentified |
| | alter(microphone select) | | |
|---+---------------------------------+-------+--------------|
| | Programmable EEPROM enabled | JX3 | Closed |
|---+---------------------------------+-------+--------------|
| | Programmable EEPROM disabled | JX3 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MITSUMI INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | JP1/pins 1 & 2 | JP1/pins 3 & 4 |
|------------------+--------------------+--------------------|
| 12 | Open | Closed |
|------------------+--------------------+--------------------|
| 15 | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEAKER AMPLIFIER SELECTION |
|------------------------------------------------------------|
| Setting | JP2 | JP3 |
|------------------+--------------------+--------------------|
| Enabled | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Disabled | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| WAVETABLE ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | J6 | J7 |
|------------------+--------------------+--------------------|
| 530h | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| EB0h | Pins 1 & 2 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| F40h | Pins 2 & 3 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 604h | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+