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Appendix C Pin Assignment C.34 CN1820 CD-ROM I/F connector (50-pin)
QOSMIO G20 Maintenance Manual (960-511) [CONFIDENTIAL] C-27
ODD relay board (FNN2D*)
C.34 CN1820 CD-ROM I/F connector (50-pin)
Table C-34 CD-ROM I/F connector (50-pin)
PIN No. Signal name I/O PIN No. Signal name I/O
1 AUDL-PXP I 2 AUDR-PXP I
3 AUD-GND - 4 N.C. -
5 IDRSTB-P5N O 6 PDD08-P3P I/O
7 PDD07-P3P I/O 8 PDD09-P3P I/O
9 PDD06-P3P I/O 10 PDD10-P3P I/O
11 PDD05-P3P I/O 12 PDD11-P3P I/O
13 PDD04-P3P I/O 14 PDD12-P3P I/O
15 PDD03-P3P I/O 16 PDD13-P3P I/O
17 PDD02-P3P I/O 18 PDD14-P3P I/O
19 PDD01-P3P I/O 20 PDD15-P3P I/O
21 PDD00-P3P I/O 22 PDDREQ-P3P I
23 GND - 24 PDIOR-P3N O
25 PDIOW-P3N O 26 GND -
27 PIORDY-P3P I 28 PDDACK-P3N O
29 IDEIRQ-P3P I 30 N.C. -
31 PDA1-P3P O 32 N.C. -
33 PDA0-P3P O 34 PDA2-P3P O
35 PDCS1-P3P O 36 PDCS3-P3P O
37 CDRLED-P5N I/O 38 P5V O
39 P5V O 40 P5V O
41 P5V O 42 P5V O
43 GND - 44 GND -
45 GND - 46 GND -
47 N.C. - 48 GND -
49 N.C. - 50 N.C. -