Floppy Disk Drive, J13 - GE MAC 5500 Service Manual

Revision E
Troubleshooting: CPU PCB Input/Output Signals
Pin No.
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2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
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19
20
21
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MAC 5500 resting ECG analysis system
2020299-020

Floppy Disk Drive, J13

(for floppy drive — not installed
Signal
5V Power
Index
5V Power
Drive Select 0
5V Power
Disk Change
NC
Media Sense 0
Media Sense 1
Motor Select 0
NC
Direction
NC
Step
Ground
Write Data
Ground
Write Gate
Ground
Track 0
Ground
Write Protect
Ground
Read Data
Ground
Head Select
4-31