Available on Macintosh Mac Plus and earlier.
(at
the computer)
(at the
mouse cable)
9 PIN D-SUB FEMALE at the computer.
9 PIN D-SUB MALE at the mouse cable.
| Pin | Name | Description |
|---|---|---|
| 1 | CGND | Chassis ground |
| 2 | +5V | +5 VDC |
| 3 | CGND | Chassis ground |
| 4 | X2 | Horizontal movement line (connected to VIA PB4 line) |
| 5 | X1 | Horizontal movement line (connected to SCC DCDA-line) |
| 6 | n/c | Not connected |
| 7 | SW- | Mouse button line (connected to VIA PB3) |
| 8 | Y2 | Vertical movement line (connected to VIA PB5 line) |
| 9 | Y1 | Vertical movement line (connected to SCC DCDB-line) |