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# REVEAL COMPUTER PRODUCTS
SC400 PRO 16 (REV. 3)
Card Type Sound card
Chip Set Unidentified
Maximum Onboard None
Memory
I/O Options Line in, microphone in, line out, speaker out,
game/MIDI port, audio in - CD-ROM, CD-ROM
interfaces (3), PC speaker - internal,
wavetable connector
Data Bus 16-bit ISA
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|-------------------+-------+------------------------+-------|
| Line in | CN1 | CD-ROM interface | CN7 |
| | | (Panasonic) | |
|-------------------+-------+------------------------+-------|
| Microphone in | CN2 | CD-ROM interface | CN8 |
| | | (Mitsumi) | |
|-------------------+-------+------------------------+-------|
| Line out | CN3 | CD-ROM interface | CN9 |
| | | (Sony) | |
|-------------------+-------+------------------------+-------|
| Speaker out | CN4 | Wavetable connector | CN10 |
|-------------------+-------+------------------------+-------|
| Game/MIDI port | CN5 | PC speaker - internal | J2 |
| | | (not used) | |
|-------------------+-------+------------------------+-------|
| Audio in - CD-ROM | CN6 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured – do not | J1 | Open |
| | alter (PC speaker amp) | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured – do not | JX | Unidentified |
| | alter (microphone select) | | |
|---+---------------------------------+-------+--------------|
| | Programmable EEPROM enabled | J3 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Programmable EEPROM disabled | J3 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | J4 |
|----------------------------+-------------------------------|
| 220 | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 240 | Pins 2 & 3 closed |
+------------------------------------------------------------+