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Figure
2-8 (Part 1 of 2). UltraBay II Connector Pin Assignments
Pin
Signal
I/O and Feature
1
UBAYID1
I
2
UBAYID2
I
3
GND
GND
4
GND
GND
5
-INDEX
I
6
-DRVSEL0
O
7
-DISKCHG
I
8
-DRVID0
I
9
NC
N/C
10
-MEDID0
I
11
-MONTEN0
O
12
DRATE1
O
13
-DIR
O
14
-DRVID1
I
15
-STEP
0
16
GND
GND
17
-WRDATA
O
18
GND
GND
19
-WREN
O
20
-MEDID1
I
21
-TRACK0
I
22
DRATE0
O
23
-WPROTECT
I
24
-RDDATA
I
25
GND
GND
26
-SIDE1SEL
O
27
UBAYID0
O
28
RSTDRV
O
29
GND
GND
30
DD7
I/O
31
DD8
I/O
32
DD6
I/O
33
DD9
I/O
34
GND
GND
35
DD5
I/O
36
DD10
I/O
37
DD4
I/O
38
DD11
I/O
39
VCC5B
VCC
40
VCC5B
VCC
41
VCC5B
VCC
42
VCC5B
VCC
43
DD3
I/O
44
DD12
I/O
45
DD2
I/O
46
DD13
I/O
47
GND
GND
48
DD1
I/O
49
DD14
I/O
50
DD0
I/O
System Board
2-13
Summary of Contents for ThinkPad 770
Page 1: ...05L1739 S05L 1739 00...
Page 6: ...vi...
Page 10: ...x Preface...
Page 148: ...IBM Part Number 05L1739 Printed in the United States of America...