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Appendix C Pin Assignments
C.3
CN1800 1.8-inch HDD interface connector (50-pin)
Table C-3 1.8-inch HDD interface connector (50-pin)
Pin No.
Signal Name
1
GND
3
N.C.
5
P3V
7
P3V
9
P3V
11
PDCS3-P3N
13
GND
15
PDA0-P3P
17
GND
19
PDDACK-P3N
21
PIORDY-P3P
23
PDIOR-P3N
25
PDIOW-P3N
27
GND
29
PDD00-P3P
31
GND
33
PDD13-P3P
35
GND
37
PDD03-P3P
39
GND
41
PDD10-P3P
43
GND
45
PDD06-P3P
47
GND
49
IDRSTB-P3N
1T
GND
PORTEGE R400 Maintenance Manual (960-623)
I/O
Pin No.
-
2
GND
-
4
P3V
-
6
P3V
-
8
P3V
-
10
HDDLED-P3N
I/O
12
PDCS1-P3N
-
14
PDA2-P3P
I/O
16
PDA1-P3P
-
18
IDEIRQ-P3P
I/O
20
GND
I/O
22
GND
I/O
24
GND
I/O
26
PDDREQ-P3P
-
28
PDD15-P3P
I/O
30
PDD14-P3P
-
32
PDD01-P3P
I/O
34
PDD02-P3P
-
36
PDD12-P3P
I/O
38
PDD11-P3P
-
40
PDD04-P3P
I/O
42
PDD05-P3P
-
44
PDD09-P3P
I/O
46
PDD08-P3P
-
48
PDD07-P3P
I
50
GND
-
2T
GND
Appendices
Signal Name
I/O
-
-
-
-
I/O
I/O
I/O
I/O
I/O
-
-
-
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
-
-
[CONFIDENTIAL]
7
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