GE Marquette MAC 5000

Revision B 4-13
Troubleshooting: CPU PCB Input/Output Signals
MAC 5000 resting ECG analysis system
2000657-002
Floppy Disk Drive (J13)
Acquisition Module (J14)
Pin No. Signal
1 5V Power
2Index
3 5V Power
4 Drive Select 0
5 5V Power
6 Disk Change
7 NC
8Media Sense 0
9 Media Sense 1
10 Motor Select 0
11 NC
12 Direction
13 NC
14 Step
15 Ground
16 Write Data
17 Ground
18 Write Gate
19 Ground
20 Track 0
21 Ground
22 Write Protect
23 Ground
24 Read Data
25 Ground
26 Head Select
Pin No. Signal
1 Power
2 Ground
3 TX+ (RS485)
4 TX- (RS485)
5 RX+ (RS485)
6 RX- (RS485)
7 NC
8NC
9 NC
10 NC