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Available on Commodore +4 computer.
UNKNOWN CONNECTOR at the Computer.
| Pin |
Name |
Description |
| 1 |
GND |
Ground |
| 2 |
+5V |
+5 VDC |
| 3 |
/BRESET |
? |
| 4 |
P2/CSE |
Data 2/Cassette Sense |
| 5 |
P3 |
Data 3 |
| 6 |
P4 |
Data 4 |
| 7 |
P5 |
Data 5 |
| 8 |
RxC |
Receive Clock |
| 9 |
ATN |
Attention? |
| 10 |
+9V |
+9 VAC |
| 11 |
+9V |
+9 VAC |
| 12 |
GND |
Ground |
| A |
GND |
Ground |
| B |
P0 |
Data 0 |
| C |
RxD |
Receive Data |
| D |
RTS |
Request to Send |
| E |
DTR |
Data Terminal Ready |
| F |
P7 |
Data 7 |
| G |
DCD |
Data Carrier Detect |
| H |
P6 |
Data 6 |
| I |
CTS |
Clear to Send |
| J |
DSR |
Data Set Ready |
| K |
TxD |
Transmit Data |
| L |
GND |
Ground |
Source: [The Hardware Book]
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