Appendix C Pin Assignments
141
C.13 CD-ROM Connector (CN18)
Table C-13: CD-ROM connector (CN18)
Pin Signal Pin Signal
1 Audio_L 2 Audio_R
3 GND 4 GND
5 IDE RESET # 6 DATA8
7 DATA7 8 DATA 9
9 DATA6 10 DATA10
11 DATA5 12 DATA11
13 DATA4 14 DATA12
15 DATA3 16 DATA13
17 DATA2 18 DATA14
19 DATA1 20 DATA15
21 DATA0 22 HDD DREQ
23 GND 24 IO READ
25 IO WRITE 26 GND
27 HD READY 28 HD ACK 0 #
29 IRQ 15 30 NC
31 ADDR1 32 NC
33 ADDR0 34 ADDR2
35 HDD SELECT 0 # 36 HDD SELECT 1 #
37 VCC (+5 V) 38 VCC (+5 V)
39 GND 40 GND

# low active

21
4020
1
222
3919