Connector Pin Assignments
ATA/ATAPI (IDE) Standard Drive Cable
Pin
Signal
1
Reset
2
Ground
3
DD7
4
DD8
5
DD6
6
DD9
7
DD5
8
DD10
9
DD4
10
DD11
11
DD3
12
DD12
13
DD2
14
DD13
24-Pin Power
Pin
Signal
1
+3.3 V
2
+3.3 V
3
GND
4
+5 V
5
GND
6
+5 V
A–6
Connector
Pin
Signal
15
DD1
16
DD14
17
DD0
18
DD15
19
Ground
20
(Key)
21
DMARQ
22
Ground
23
DIOW
24
Ground
25
DIOR
26
Ground
27
IORDY
28
CSEL
Connector
24
12
Pin
Signal
7
GND
8
POK
9
+5 Vaux
10
+12 V
11
+12 V
12
+3.34 V
361685-001
Pin
Signal
29
DMAK
30
Ground
31
INTRQ
32
IOCS16
33
DA1
34
PDIAG (cable detect)
35
DA0
36
DA2
37
CS1FX
38
CS3FX
39
DASP
40
Ground
13
1
Pin
Signal
13
+3.34 V
14
-12 V
15
GND
16
PSON
17
GND
18
GND
Service Reference Guide, dx5150
Pin
Signal
19
GND
20
open
21
+5 V
22
+5 V
23
+5 V
24
GND