74
Pin
13
14
15
16
17
18
19
20
21
22
23
Function
Ground
DR0
Ground
MTR1
Drate1
Dir
Ground
Step
Ground
Write Data
Ground
Pin
24
25
26
27
28
29
30
31
32
33
34
Function
Write Gate
Ground
Track 0
MSEN
Wr Protect
Ground
Read Data
Ground
Head Select
Ground
Disk Change
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
Function
-Strobe
Data 0
Data 1
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7
-Ack
Busy
Paper Empty
Select
Pin
14
15
16
17
18
19
20
21
22
23
24
25
Function
-Autofd
-Error
-Init
-Slctin
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Connector J7
Parallel Printer Port
Connectors J8 and J9
Primary and Secondary IDE Hard Disk Drive Connectors
Pin
1
2
3
4
Function
-Reset
Ground
D7
D8
Pin
5
6
7
8
Function
D6
D9
D5
D10