Toshiba Portege R500-S5001X Maintenance Manual - Page 338
PATA HDD FPC FMUPH, C.36 CN1830, System board interface connector 50-pin
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Appendices Appendix C Pin Assignments PATA HDD FPC (FMUPH*) C.36 CN1830 System board interface connector (50-pin) Table C-36 System board interface connector (50-pin) Pin No. 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 Signal Name IORSTB-P3N PDD07-P3P PDD06-P3P PDD05-P3P PDD04-P3P GND PDD12-P3P PDD13-P3P PDD14-P3P PDD15-P3P PDDREQ-P3P GND GND GND IDEIRQ-P3P PDA1-P3P PDA2-P3P PDCS1-P3N HDDLED-P3N P3V P3V NC NC GND NC Pin No. 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 Signal Name GND PDD08-P3P PDD09-P3P PDD10-P3P PDD11-P3P PDD03-P3P PDD02-P3P PDD01-P3P PDD00-P3P GND PDIOW-P3N PDIOR-P3N PIORDY-P3P PDDACK-P3N GND PDA0-P3P GND PDCS3-P3N P3V P3V NC GND NC NC GND C-26 [CONFIDENTIAL] PORTEGE R500 Maintenance Manual (960-634)