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# CREATIVE LABS, INC.
SOUNDBLASTER 16 SCSI-2 ASP (CT1770 & CT1779)
SOUNDBLASTER 16 SCSI-2 (CT1770 & CT1779)
Card Type Sound card
Chip Set Creative Technology
Maximum Onboard None
Memory
I/O Options Microphone connector, line in connector,
speaker out connector, game/MIDI port, PC
internal speaker, CD-ROM audio in connector,
SCSI-2 interface , feature connector
Data Bus 16-bit ISA
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+---------------------+-------|
| Line in connector | CN1 | Feature connector | CN6 |
|----------------------+-------+---------------------+-------|
| Microphone connector | CN2 | SCSI-2 interface | CN7 |
|----------------------+-------+---------------------+-------|
| Volume control | CN3 | PC internal speaker | CN8 |
|----------------------+-------+---------------------+-------|
| Speaker out | CN4 | CD-ROM audio in | CN9 |
| connector | | connector | |
|----------------------+-------+---------------------+-------|
| Game/MIDI port | CN5 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured – do not | J1 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured – do not | J2 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | SCSI-2 I/O address select 340H | JP30 | Open |
|---+---------------------------------+-------+--------------|
| | SCSI-2 I/O address select 140H | JP30 | Closed |
|---+---------------------------------+-------+--------------|
| » | Joystick enabled | JYEN | Closed |
|---+---------------------------------+-------+--------------|
| | Joystick disabled | JYEN | Open |
|---+---------------------------------+-------+--------------|
| » | MP-401 I/O address select 330 | MSEL | Closed |
|---+---------------------------------+-------+--------------|
| | MP-401 I/O address select 300 | MSEL | Open |
+------------------------------------------------------------+
+---------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|---------------------------------------------------------------|
|Channel| JP18 | JP19 | JP20 | JP21 | JP26 | JP27 | JP28 | JP29 |
|-------+------+------+------+------+------+------+------+------|
| 0 |Closed| Open | Open | Open |Closed| Open | Open | Open |
|-------+------+------+------+------+------+------+------+------|
| 5 | Open |Closed| Open | Open | Open |Closed| Open | Open |
|-------+------+------+------+------+------+------+------+------|
| 6 | Open | Open |Closed| Open | Open | Open |Closed| Open |
|-------+------+------+------+------+------+------+------+------|
| 7 | Open | Open | Open |Closed| Open | Open | Open |Closed|
+---------------------------------------------------------------+
+------------------------------------------------------------+
| 8-BIT DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | DAS0 | DAS1 |
|----------------------+------------------+------------------|
| | 0 | Closed | Closed |
|-----+----------------+------------------+------------------|
| » | 1 | Open | Closed |
|-----+----------------+------------------+------------------|
| | 3 | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 16-BIT DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | DBS0 | DBS2 |
|---------------------+-------------------+------------------|
| » | 5 | Closed | Closed |
|-----+---------------+-------------------+------------------|
| | 6 | Open | Closed |
|-----+---------------+-------------------+------------------|
| | 7 | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | IS0 | IS1 |
|--------------------+-------------------+-------------------|
| | 2 | Closed | Closed |
|---+----------------+-------------------+-------------------|
| » | 5 | Open | Closed |
|---+----------------+-------------------+-------------------|
| | 7 | Closed | Open |
|---+----------------+-------------------+-------------------|
| | 10 | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SCSI INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | JP22 | JP23 | JP24 | JP25 |
|------------+-----------+-----------+-----------+-----------|
| | 9 | Closed | Open | Open | Open |
|---+--------+-----------+-----------+-----------+-----------|
| | 10 | Open | Closed | Open | Open |
|---+--------+-----------+-----------+-----------+-----------|
| » | 11 | Open | Open | Closed | Open |
|---+--------+-----------+-----------+-----------+-----------|
| | 12 | Open | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUDIO I/O ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | IOS0 | IOS1 |
|----------------------+------------------+------------------|
| » | 220 | Closed | Closed |
|----+-----------------+------------------+------------------|
| | 240 | Open | Closed |
|----+-----------------+------------------+------------------|
| | 260 | Closed | Open |
|----+-----------------+------------------+------------------|
| | 280 | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CSP CHIP SELECTION |
|------------------------------------------------------------|
| Setting | APSD | IFSD |
|--------------------+-------------------+-------------------|
| Enabled | Open | Open |
|--------------------+-------------------+-------------------|
| Disabled | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERNAL AMPLIFIER SELECTION |
|------------------------------------------------------------|
| Setting | OPSL | OPSR |
|------------------+--------------------+--------------------|
| » | Enabled | Pins 2 & 3 closed | Pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | Disabled | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+