MB PRO
From Vogons Wiki
The MB_PRO connector is used to connect a Sound Blaster card to a Modem Blaster card. The signals can also be re-purposed for other uses.
The pin arrangement is as follows:
9 | 7 | 5 | 3 | 1 |
10 | 8 | 6 | 4 | N/C |
The purpose of the pins, from the point of view of the sound card, are:[1]
Pin | Purpose |
---|---|
1 | Audio GND |
2 | Key, no pin |
3 | Line-in |
4 | Audio GND |
5 | Line left TODO: Is this line out? |
6 | Audio GND |
7 | Line right (out?) |
8 | Modem speaker input |
9 | Audio GND |
10 | Microphone in Isn't this mic out for the modem? |