ROLAND CORPORATION
LAPC-1
|
Card Type |
Sound Card |
|
Chipset/Controller |
Roland |
|
I/O Options |
Line out, MIDI port, speaker jack |
|
Maximum DRAM |
N/A |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
MIDI port |
CN1 |
Line out (left) |
CN3 |
|
Line out (right) |
CN2 |
Speaker jack |
CN4 |
|
I/O ADDRESS CONFIGURATION | ||||
|
Data Port Address |
Command Port Address |
J7 |
J8 | |
|
330h (for Board 1) |
331h |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
332h (for Board 2) |
333h |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
|
334h (for Board 3) |
335h |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
|
336h (for Board 4) |
337h |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
|
Note:Multiple LAPC-1 cards in the same system can only function with software which is capable of controlling multiple MPU-401 interfaces. | ||||
|
INTERRUPT SELECT | |||||||
|
IRQ |
J1 |
J2 |
J3 |
J4 |
J5 |
J6 | |
|
IRQ2 |
Closed |
Open |
Open |
Open |
Open |
Open | |
|
IRQ3 |
Open |
Open |
Open |
Open |
Open |
Closed | |
|
IRQ4 |
Open |
Open |
Open |
Open |
Closed |
Open | |
|
IRQ5 |
Open |
Open |
Open |
Closed |
Open |
Open | |
|
IRQ6 |
Open |
Open |
Closed |
Open |
Open |
Open | |
|
IRQ7 |
Open |
Closed |
Open |
Open |
Open |
Open | |
|
Note:These settings apply when all jumpers in the interrupt jumper block other than the one designated as closed are left open. | |||||||