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