(TXT) View Source
# COMPAQ COMPUTER CORPORATION
SOUND BOARD
Card Type Sound card
Chipset Unidentified
Controller
I/O Options Line in, Microphone in (2), volume control,
stereo speaker out (2), mono speaker out,
game/MIDI port, SCSI CD-ROM interface, CD-ROM
audio out, PC speaker in
Maximum Dram N/A
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| Line in | J1 | Molex-D 4 audio | J6 |
| | | out | |
|--------------------+----------+-----------------+----------|
| Microphone in | J2 | Right (mono) | J7 |
| | | speaker out | |
|--------------------+----------+-----------------+----------|
| Stereo speaker out | J3 | Audio I/O (see | J8 |
| | | table below) | |
|--------------------+----------+-----------------+----------|
| Game/MIDI port | J4 | PC Speaker in | J9 |
|--------------------+----------+-----------------+----------|
| SCSI CD-ROM | J5 | Volume control | R1 |
| interface | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECTOR J8 |
|------------------------------------------------------------|
| Purpose | Pin | Purpose | Pin |
|----------------------+-------+----------------------+------|
| Microphone in ground | 1 | Right speaker out | 5 |
|----------------------+-------+----------------------+------|
| Microphone in ground | 2 | Left speaker out | 6 |
|----------------------+-------+----------------------+------|
| Microphone in | 3 | Right speaker return | 7 |
|----------------------+-------+----------------------+------|
| Speaker out ground | 4 | Left speaker return | 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERNAL AUDIO AMPLIFIER CONFIGURATION |
|------------------------------------------------------------|
| » Left amp | Right amp | JP5 |
|-----------------+---------------+--------------------------|
| » Enabled | Enabled | Pins 2 & 3, 5 & 6 closed |
|-----------------+---------------+--------------------------|
| » Disabled | Disabled | Pins 1 & 2, 4 & 5 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS FOR MIDI PORT SELECTION |
|------------------------------------------------------------|
| » Address | JP4 |
|----------------------------+-------------------------------|
| » 330h | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| » 300h | Pins 1 & 2 open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS FOR SOUND CARD SELECTION |
|------------------------------------------------------------|
| » Address | JP6 |
|----------------------------+-------------------------------|
| » 220h | Pins 7 & 8, 9 & 10 closed |
|----------------------------+-------------------------------|
| » 240h | Pins 9 & 10 closed |
|----------------------------+-------------------------------|
| » 260h | Pins 7 & 8 closed |
|----------------------------+-------------------------------|
| » 280h | Pins 7 & 8, 9 & 10 open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS FOR SCSI INTERFACE SELECTION |
|------------------------------------------------------------|
| » Address | JP7 |
|-------------------------------+----------------------------|
| » 340h | Open |
|-------------------------------+----------------------------|
| » 140h | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT FOR SCSI INTERFACE SELECTION |
|------------------------------------------------------------|
| » IRQ | JP3 |
|----------------------------+-------------------------------|
| » 9 | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| » 10 | Pins 3 & 4 closed |
|----------------------------+-------------------------------|
| » 11 | Pins 5 & 6 closed |
|----------------------------+-------------------------------|
| » 12 | Pins 7 & 8 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT FOR SOUND CARD SELECTION |
|------------------------------------------------------------|
| » IRQ | JP4 |
|----------------------------+-------------------------------|
| » 2 | Pins 11 & 12, 13 & 14 closed |
|----------------------------+-------------------------------|
| » 5 | Pins 13 & 14 closerd |
|----------------------------+-------------------------------|
| » 7 | Pins 11 & 12 closed |
|----------------------------+-------------------------------|
| » 10 | Pins 11 & 12, 13 & 14 open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| GAME PORT CONFIGURATION |
|------------------------------------------------------------|
| » Port | JP6 |
|----------------------------+-------------------------------|
| » Enabled | Pins 5 & 6 closed |
|----------------------------+-------------------------------|
| » Disabled | Pins 5 & 6 open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 8-BIT DMA CHANNEL FOR SOUND CARD SELECTION |
|------------------------------------------------------------|
| » Channel | JP4 |
|----------------------------+-------------------------------|
| » 0 | Pins 3 & 4, 5 & 6 closed |
|----------------------------+-------------------------------|
| » 1 | Pins 5 & 6 closed |
|----------------------------+-------------------------------|
| » 3 | Pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 16-BIT DMA CHANNEL FOR SOUND CARD SELECTION |
|------------------------------------------------------------|
| » Channel | JP4 |
|----------------------------+-------------------------------|
| » 5 | Pins 7 & 8, 9 & 10 closed |
|----------------------------+-------------------------------|
| » 6 | Pins 9 & 10 closed |
|----------------------------+-------------------------------|
| » 7 | Pins 7 & 8 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL FOR SCSI INTERFACE SELECTION |
|------------------------------------------------------------|
| » Channel | JP1 | JP2 |
|------------------+--------------------+--------------------|
| » 0 | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| » 5 | Pins 3 & 4 closed | Pins 3 & 4 closed |
|------------------+--------------------+--------------------|
| » 6 | Pins 5 & 6 closed | Pins 5 & 6 closed |
|------------------+--------------------+--------------------|
| » 7 | Pins 7 & 8 closed | Pins 7 & 8 closed |
+------------------------------------------------------------+