Available at Commodore PET/CBM.
Pinout
1 1 1
1 2 3 4 5 6 7 8 9 0 1 2
= = = = = = = = = = = =
###### ################### ######### At the PET/CBM
= = = = = = = = = = = =
A B C D E F H J K L M N
| Pin |
Name |
Description |
Source
|
| 1 |
DIO1 |
Data Bit 1 |
Talker
|
| 2 |
DIO2 |
Data Bit 2 |
Talker
|
| 3 |
DIO3 |
Data Bit 3 |
Talker
|
| 4 |
DIO4 |
Data Bit 4 |
Talker
|
| 5 |
EOI |
End Or Indentity |
Talker/Controller
|
| 6 |
DAV |
Data Valid |
Controller
|
| 7 |
NRFD |
Not Ready For Data |
Listener
|
| 8 |
NDAC |
No Data Accepted |
Listener
|
| 9 |
IFC |
Interface Clear |
Controller
|
| 10 |
SRQ |
Service Request |
Talker
|
| 11 |
ATN |
Attention |
Controller
|
| 12 |
|
Shield |
-
|
| A |
DIO5 |
Data Bit 5 |
Talker
|
| B |
DIO6 |
Data Bit 6 |
Talker
|
| C |
DIO7 |
Data Bit 7 |
Talker
|
| D |
DIO8 |
Data Bit 8 |
Talker
|
| E |
REN |
Remote Enabled |
Controller
|
| F |
|
Ground DAV |
-
|
| H |
|
Ground NRFD |
-
|
| J |
|
Ground NDAC |
-
|
| K |
|
Ground IFC |
-
|
| L |
|
Ground SRQ |
-
|
| M |
|
Ground ATN |
-
|
| N |
|
Logical Ground |
-
|
See also
Contributions
Standards