IBM 5150

• •
• •
• •
•
•
• •
•
•
• •
• •
• •
• •
5-1/4" Diskette Drive Adapter
External Interface Specifications
REAR PANEL
37 PIN '0' SHELL
CONNECTOR
o
1 •
• 20 •
•
•
•
•
•
•
•
•
•
•
•
• • 37
o
AT STANDARD TTL LEVELS
Pin no.
Unused 1 ·5
Index 6
..
..
I...
Motor Enable C
7
1""1"
I ...
Drive Select 0
8
....
...
Drive Select C
9
I""'"
Motor Enable 0
10
-
.....
I...
Direction (Stepper Motod
11
5%" Diskette
External
.....
...
Step Pulse
12 Drive
Drives
....
Adapter
...
Select Head 1
13
~
...
Write Enable
14
...
Track 0
15
..
..
Write Protect 16
..
..
Read Data
17
..
-
Write Data
18
~-..
....-
Ground
20·37
2-109