HP dx7400 - Microtower PC User Manual

Diskette Drive Standard Data Cable
Connector
2
1
34
33
Pin Signal Pin Signal Pin Signal
1
2
3
4
Ground
Low density
Key
Media — ID
13
14
15
16
Ground
Reserved
Ground
Motor On
25
26
27
28
Ground
Track 00
Ground
Write Protect
5
6
7
8
Ground
No Signal
Ground
Index
17
18
19
20
Ground
Direction In
Ground
Step
29
30
31
32
Ground
Read Data
Ground
Side 1 Select
9
10
11
12
Ground
Reserved
Ground
Drive Select
21
22
23
24
Ground
Write data
Ground
Write Gate
33
34
Ground
Disk Change
24-Pin Power
Connector
24
12
13
1
Front
Pin Signal Pin Signal Pin Signal Pin Signal
1
2
3
4
5
6
+3.3V
+3.3V
GND
+5V
GND
+5V
7
8
9
10
11
12
GND
POK
+5 Vaux
+12V
+12V
+3.3V
13
14
15
16
17
18
+3.3V
–12V
GND
PSON
GND
GND
19
20
21
22
23
24
GND
open
+5V
+5V
+5V
GND
124 Appendix A Connector Pin Assignments

HP dx7400 - Microtower PC Specifications

General

Brand	HP
Model	dx7400 - Microtower PC
Category	Desktop
Language	English