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# MECER CORPORATION
B-303
Card Type Sound Card
Chipset ESS Technologies, Inc. ES-688
Controller
I/O Options CD audio(2), CD-ROM interface(3), line in, line
out, microphone in(2), SCSI interface, speaker
out
Maximum Dram N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Speaker out | J1 | Line out | JP4 |
|-------------------+----------+------------------+----------|
| Microphone in | J2 | Panasonic | JP5 |
| | | CD-audio in | |
|-------------------+----------+------------------+----------|
| Line in | J3 | Sony CD-audio in | JP10 |
|-------------------+----------+------------------+----------|
| Panasonic CD-ROM | J6 | Mitsumi CD-ROM | JP11 |
| interface | | interface | |
|-------------------+----------+------------------+----------|
| Sony CD-ROM | J7 | SCSI interface | JP13 |
| interface | | | |
|-------------------+----------+------------------+----------|
| Microphone in | JP2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | JP1 |
|----------------------------+-------------------------------|
| » | 220h | Pins 2 & 3 closed |
|---+------------------------+-------------------------------|
| | 240h | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | JP7 |
|----------------------------+-------------------------------|
| » | 7 | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | 5 | Pins 3 & 4 closed |
|---+------------------------+-------------------------------|
| | 9 | Open |
|---+------------------------+-------------------------------|
| | 10 | Pins 1 & 2, 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | JP3 |
|----------------------------+-------------------------------|
| » | 1 | Open |
|----+-----------------------+-------------------------------|
| | 3 | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CD-ROM TYPE SELECTION |
|------------------------------------------------------------|
| Type | J5 |
|-------------------------------+----------------------------|
| » | Panasonic | Pins 1 & 2 closed |
|---+---------------------------+----------------------------|
| | Sony or Mitsumi | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CD-ROM ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | JCP2 |
|--------------------------------+---------------------------|
| » | 300h | Closed |
|------+-------------------------+---------------------------|
| | 340h | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CD-ROM CONFIGURATION |
|------------------------------------------------------------|
| Setting | JCP1 |
|---------------------------------+--------------------------|
| » | Enabled | Closed |
|---+-----------------------------+--------------------------|
| | Disabled | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SCSI INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | JP14 |
|----------------------------+-------------------------------|
| 11 | Pins 2 & 4 closed |
|----------------------------+-------------------------------|
| 12 | Pins 1 & 3 closed |
+------------------------------------------------------------+