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C-8 Satellite P20-25 Series Maintenance Manual
C.5 JP28 Main Module I/F (60-pin)
Table C-5 CD-ROM I/F pin assignments (50-pin)
Pin No. Signal name I/O Pin No. Signal Name I/O
1 INT-CD-L I 2 INTCD-R I
3 CD_AGND - 4 CD_AGND -
5 CD_RSTDRV# O 6 CDD08 I/O
7 CDD07 I/O 8 CDD09 I/O
9 CDD06 I/O 10 CDD10 I/O
11 CDD05 I/O 12 CDD11 I/O
13 CDD04 I/O 14 CDD12 I/O
15 CDD03 I/O 16 CDD13 I/O
17 CDD02 I/O 18 CDD14 I/O
19 CDD01 I/O 20 CDD15 I/O
21 CDD00 I/O 22 CD_DREQ I
23 PDIAG - 24 CD_SDIOR# O
25 CD_SIOW# O 26 CD_DACK# O
27 CD_SIORDY I 28 CD_SBA2 O
29 CD_IRQ I 30 CD_SCS3# O
31 CD_SBA1 O 32 EXTID0 I
33 CD_SBA0 O 34 EXTID1 I
35 CD_SCS1# O 36 NC -
37 SHDD_LED I 38 HDSEL# O
39 EXTCSEL1 I 40 WGATE# O
41 GND - 42 GND -
43 GND - 44 USBP7+ I/O
45 RDATA# O 46 USBP7- I/O
47 WP# O 48 GND -
49 TRACK0# O 50 FDDIR# I
51 WDATA# I 52 3MODE# I
53 STEP# I 54 +5VCD O
55 MTR0# I 56 +5VCD O
57 DSKCHG# O 58 INDEX# O
59 DRV0# I 60 +5VCD O