Lenovo ThinkPad 770X Technical Reference Manual for the ThinkPad 770 - Page 36
Part 2 of 2. UltraBay II Connector Pin Assignments
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Pin Signal 51 DD15 52 GND 53 -UBAY_HDD 54 DMARQ 55 GND 56 -DIOW 57 GND 58 -DIOR 59 GND 60 IORDY 61 CSEL 62 -DMACK 63 IRQ 64 -IOCS16 65 DA1 66 -PDIAG 67 DA0 68 DA2 69 -CS1 70 -CS3 71 -DASP 72 -MCS 73 CD_MUTE 74 AUDIO_RTN 75 CD_L_IN 76 CD_R_IN 77 GND 78 GND 79 UBAYID3 80 UBAYID4 I/O and Feature I/O GND I I GND O GND O GND I O O I I O I/O O O O O I O I I I I GND GND I I Figure 2-8 (Part 2 of 2). UltraBay II Connector Pin Assignments 2-14 System Board
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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