Toshiba Portege R500 Maintenance Manual - Page 339
C.37 CN1840, PATA HDD interface connector 40-pin
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Appendix C Pin Assignments C.37 CN1840 PATA HDD interface connector (40-pin) Table C-37 PATA HDD interface connector (40-pin) Pin No. 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 Signal Name NC P3V PDCS3-P3N PDA2-P3P NC IDEIRQ-P3P GND GND PDIOW-P3N PDDREQ-P3P PDD15-P3P PDD14-P3P PDD13-P3P PDD12-P3P PDD11-P3P PDD10-P3P PDD09-P3P PDD08-P3P GND NC Pin No. 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 Signal Name P3V HDDLED-P3N PDCS1-P3N PDA0-P3P PDA1-P3P PDDACK-P3N PIORDY-P3P PDIOR-P3N GND GND PDD00-P3P PDD01-P3P PDD02-P3P PDD03-P3P PDD04-P3P PDD05-P3P PDD06-P3P PDD07-P3P IDRSTB-P3N NC Appendices PORTEGE R500 Maintenance Manual (960-634) [CONFIDENTIAL] C-27
Appendix C
Pin Assignments
Appendices
PORTEGE R500 Maintenance Manual (960-634)
[CONFIDENTIAL]
C-27
C.37 CN1840
PATA HDD interface connector (40-pin)
Table C-37
PATA HDD interface connector (40-pin)
Pin No.
Signal Name
Pin No.
Signal Name
1
NC
2
P3V
3
P3V
4
HDDLED-P3N
5
PDCS3-P3N
6
PDCS1-P3N
7
PDA2-P3P
8
PDA0-P3P
9
NC
10
PDA1-P3P
11
IDEIRQ-P3P
12
PDDACK-P3N
13
GND
14
PIORDY-P3P
15
GND
16
PDIOR-P3N
17
PDIOW-P3N
18
GND
19
PDDREQ-P3P
20
GND
21
PDD15-P3P
22
PDD00-P3P
23
PDD14-P3P
24
PDD01-P3P
25
PDD13-P3P
26
PDD02-P3P
27
PDD12-P3P
28
PDD03-P3P
29
PDD11-P3P
30
PDD04-P3P
31
PDD10-P3P
32
PDD05-P3P
33
PDD09-P3P
34
PDD06-P3P
35
PDD08-P3P
36
PDD07-P3P
37
GND
38
IDRSTB-P3N
39
NC
40
NC