IBM ThinkPad 770, Reference Manual

Page: 36 / 148

Figure 2-8 (Part 2 of 2). UltraBay II Connector Pin Assignments
Pin Signal I/O and Feature
51 DD15 I/O
52 GND GND
53 -UBAY_HDD I
54 DMARQ I
55 GND GND
56 -DIOW O
57 GND GND
58 -DIOR O
59 GND GND
60 IORDY I
61 CSEL O
62 -DMACK O
63 IRQ I
64 -IOCS16 I
65 DA1 O
66 -PDIAG I/O
67 DA0 O
68 DA2 O
69 -CS1 O
70 -CS3 O
71 -DASP I
72 -MCS O
73 CD_MUTE I
74 AUDIO_RTN I
75 CD_L_IN I
76 CD_R_IN I
77 GND GND
78 GND GND
79 UBAYID3 I
80 UBAYID4 I
2-14 System Board