(To the Mac).
(To the peripheral).
DSub IDC
Request 1 48
Message 2 42
Input/Output 3 50
Reset 4 40
Acknowledge 5 38
Busy 6 36
Data Bus 0 8 2
Data Bus 3 10 8
Data Bus 5 11 12
Data Bus 6 12 14
Data Bus 7 13 16
Control/Data 15 46
Attention 17 32
Select 19 44
Data Parity 20 18
Data Bus 1 21 4
Data Bus 2 22 6
Data Bus 4 23 10
Termination Power 25 26
Note: All the other pins (7+9+14+16+18+24) at the DSub should be connected to the all odd pins except 25 at the IDC connector.
( DIN-8 ) ( DIN-8 )Macintosh Plus Adapter Cable
1 2
2 1
3 5
4 4
5 3
6 8
7 7
8 6
(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 | Dir | 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) |
RJ11 FEMALE CONNECTOR at the Computer.
RJ11 MALE CONNECTOR at the Keyboard.
| Pin | Name | Dir | Description |
|---|---|---|---|
| 1 | CGND | --- | Chassis ground |
| 2 | KBD1 | ? | Keyboard clock |
| 3 | KBD2 | ? | Keyboard data |
| 4 | +5V | --> | +5 VDC |
19 PIN D-SUB FEMALE at the Computer.
19 PIN D-SUB MALE at the Diskdrive.
| Pin | Name | Dir | Description |
|---|---|---|---|
| 1 | CGND | --- | Chassis ground |
| 2 | CGND | --- | Chassis ground |
| 3 | CGND | --- | Chassis ground |
| 4 | CGND | --- | Chassis ground |
| 5 | -12V | --> | -12 VDC |
| 6 | +5V | --> | +5 VDC |
| 7 | +12V | --> | +12 VDC |
| 8 | +12V | --> | +12 VDC |
| 9 | n/c | - | Not connected |
| 10 | PWM | ? | Regulates speed of the drive |
| 11 | CA0 | ? | Control line to send commands to the drive |
| 12 | CA1 | ? | Control line to send commands to the drive |
| 13 | CA2 | ? | Control line to send commands to the drive |
| 14 | LSTRB | ? | Control line to send commands to the drive |
| 15 | WrReq- | ? | Turns on the ability to write data to the drive |
| 16 | HdSel | ? | Control line to send commands to the drive |
| 17 | Enbl2- | ? | Enables the Rd line (else Rd is tristated) |
| 18 | Rd | <-- | Data actually read from the drive |
| 19 | Wr | --> | Data actually written to the drive |