8 pin Mini-DIN Macintosh
DZM12DREH C64
Mac to C64 Nullmodem
Connector Mac | Pin | Connector C64 | Pin |
GND + RXD- | 4 - 5 | 1 + 12 + A + N | GND |
RXD+ | 8 | M | TXD (PA2) |
TXD+ | 6 | B + C | RXD (FLAG2 + PB0) |
D + E | RTS + DTR (PB1 + PB2) |
Source: http://margo.student.utwente.nl/el/
8 pin Mini-DIN male Macintosh
25 pin D-SUB male modem
Macintosh modem (with DTR)
Connector (Mac) | Pin | Direction | Connector (Modem) | Pin |
HSKo | 1 | --> | RTS + DTR | 4 + 20 |
HSKi | 2 | <-- | CTS | 5 |
TxD- | 3 | --> | TxD | 2 |
RxD- | 5 | <-- | RxD | 3 |
GND + RxD+ | 4 + 8 | --- | GND | 7 |
GPi | 5 | <-- | DCD | 8 |
Source: http://margo.student.utwente.nl/el/
8 pin Mini-DIN male Macintosh
25 pin D-SUB male modem
Macintosh Modem (Without DTR)
Connector (Mac) | Pin | Direction | Connector (Modem) | Pin |
HSKo | 1 | --> | RTS | 4 |
HSKi | 2 | <-- | CTS | 5 |
TxD- | 3 | --> | TxD | 2 |
RxD- | 5 | <-- | RxD | 3 |
GND + RxD+ | 4 + 8 | --- | GND | 7 |
DSR + DTR | 6 + 20 |
Source: http://margo.student.utwente.nl/el/
25 pin D-SUB Female
Macintosh SCSI
Pin | Name | Description |
1 | REQ | Request |
2 | MSG | Message |
3 | I/O | Input/Output |
4 | RST | Reset |
5 | ACK | Acknowledge |
6 | BSY | Busy |
7 | GND | Ground |
8 | DB0 | Data bus 0 |
9 | GND | Ground |
10 | DB3 | Data bus 3 |
11 | DB5 | Data bus 5 |
12 | DB6 | Data bus 6 |
13 | DB7 | Data bus 7 |
14 | GND | Ground |
15 | C/D | Control & Data |
16 | GND | Ground |
17 | ATN | Attention |
18 | GND | Ground |
19 | SEL | Select |
20 | DBP | Data parity |
21 | DB1 | Data bus 1 |
22 | DB2 | Data bus 2 |
23 | DB4 | Data bus 4 |
24 | GND | Ground |
25 | TERMPWR | Termination power |