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 ST506 412 HD

ST506/412 (MFM, RLL) Hard drive

  
Type: 34-pin IDC/20-pin IDC

Control Connector

Pin Function Details
2 Head Sel 8
4 Head Sel 4
6 Write Gate
8 Seek Complete
10 Track 0
12 Write Fault
14 Head Sel 1
16 RES (reserved)
18 Head Sel 2
20 Index
22 Ready
24 Step
26 Drive Sel 1
28 Drive Sel 2
30 Drive Sel 3
32 Drive Sel 4
34 Direction In
All odd pins are ground


Data Connector

Pin Name Description
1   Drive Selected
2 GND Ground
3 RES (reserved)
4 GND Ground
5 RES (reserved)
6 GND Ground
7 RES (reserved)
8 GND Ground
9 RES (reserved)
10 RES (reserved)
11 GND Ground
12 GND Ground
13   Write Data+
14   Write Data-
15 GND Ground
16 GND Ground
17   Read Data+
18   Read Data-
19 GND Ground
20 GND Ground

 

 

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