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# TOPTEK TECHNOLOGY, INC.
MULTI CD-ROM AT-BUS CARD
Card Type Sound card
Chip Set Unidentified
Maximum Onboard Unidentified
Memory
I/O Options CD-ROM interface (3), audio in - CD-ROM (3),
line out, line in
Data Bus 8-bit ISA
Card Size Half-length, half-height card
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------+-------+-------------------+-------|
| CD-ROM interface | J1 | Audio in - CD-ROM | J5 |
| (Panasonic) | | | |
|------------------------+-------+-------------------+-------|
| CD-ROM interface | J2 | Audio in - CD-ROM | J6 |
| (Mitsumi) | | | |
|------------------------+-------+-------------------+-------|
| CD-ROM interface | J3 | Line out | JK1 |
| (Sony) | | | |
|------------------------+-------+-------------------+-------|
| Audio in - CD-ROM | J4 | Line in | JK2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | JP1 |
|----------------------------+-------------------------------|
| 1 | Pins 1 & 3 closed |
|----------------------------+-------------------------------|
| 3 | Pins2 & 4 closed |
|------------------------------------------------------------|
| Note: Used for Mitsumi interface only. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADRESS SELECTION |
|------------------------------------------------------------|
| Sony | Mitsumi | Panasonic | JP2 |
|---------+---------+-----------+----------------------------|
| 320h | 300h | 310h | Closed |
|---------+---------+-----------+----------------------------|
| 360h | 340h | 350h | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| IRQ INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | JP1 |
|----------------------------+-------------------------------|
| IRQ3 | Pins 7 & 8 closed |
|----------------------------+-------------------------------|
| IRQ4 | Pins 9 & 10 closed |
|----------------------------+-------------------------------|
| IRQ5 | Pins 11 & 12 closed |
|------------------------------------------------------------|
| Note: Used for Mitsumi interface only. |
+------------------------------------------------------------+