COVOX INC.
SOUND MASTER II
|
Card Type |
Sound Card |
|
Chipset/Controller |
YM3812 |
|
I/O Options |
Line in (2), microphone jack, MIDI port, volume control |
|
Maximum DRAM |
N/A |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Volume control |
CN1 |
PC speaker connector |
CN4 |
|
Speaker jack |
CN2 |
Microphone jack |
M1 |
|
Game/MIDI port |
CN3 |
Line in 2 |
M2 |
|
INTERRUPT SELECT | ||||||
|
IRQ |
J3 |
J4 |
J5 |
J6 |
J7 | |
| » |
IRQ7 |
Open |
Open |
Open |
Open |
Closed |
|
IRQ6 |
Open |
Open |
Open |
Closed |
Open | |
|
IRQ5 |
Open |
Open |
Closed |
Open |
Open | |
|
IRQ4 |
Open |
Closed |
Open |
Open |
Open | |
|
IRQ3 |
Closed |
Open |
Open |
Open |
Open | |
|
MIDI INTERRUPT SELECT | |||||
|
IRQ |
J8 |
J9 |
J10 |
J11 | |
| » |
IRQ2 |
Closed |
Open |
Open |
Open |
|
IRQ3 |
Open |
Closed |
Open |
Open | |
|
IRQ5 |
Open |
Open |
Closed |
Open | |
|
IRQ7 |
Open |
Open |
Open |
Closed | |
|
I/O ADDRESS SELECT | |||||
|
Address |
J12 |
J13 |
J14 |
J15 | |
| » |
22Xh |
Closed |
Open |
Open |
Open |
|
24Xh |
Open |
Closed |
Open |
Open | |
|
28Xh |
Open |
Open |
Closed |
Open | |
|
2CXh |
Open |
Open |
Open |
Closed | |
|
DRQ SELECT | |||
|
DRQ |
J16 |
J17 | |
| » |
DRQ1 |
Open |
Closed |
|
DRQ3 |
Closed |
Open | |
|
DACK SELECT | |||
|
DACK |
J18 |
J19 | |
| » |
DACK1 |
Open |
Closed |
|
DACK3 |
Closed |
Open | |
|
FM PORT ADDRESS SELECT | ||
|
Address |
J1 | |
| » |
388h |
Pins 1 & 2 closed |
|
380h |
Pins 2 & 3 closed | |
|
MIDI PORT ADDRESS SELECT | ||
|
Address |
J2 | |
| » |
330h |
Pins 1 & 2 closed |
|
338h |
Pins 2 & 3 closed | |
