IBM 560E User Manual
Figure
2-7 (Part 2 of 2). 100-Pin External Connector Pin Assignments
Pin
Signal
Type
Pin
Signal
Type
23
GND
G
73
GND
G
24
NC
–
74
SAFE5V
W
25
Mouse Data
K
75
Keyboard Data
K
26
Mouse Clock
K
76
Keyboard Clock
K
27
GND
G
77
GND
G
28
NC
–
78
NC
–
29
NC
–
79
NC
–
30
GND
G
80
GND
G
31
Ring Indicator
S
81
Data Terminal
Ready
Ready
S
32
Clear to Send
S
82
Transmit Data
S
33
Request to Send
S
83
Receive Data
S
34
Data Set Ready
S
84
Data Carrier
Detect
Detect
S
35
GND
G
85
GND
G
36
GND
G
86
−
STROBE
P
37
−
AUTO FD XT
P
87
Data Bit 0
P
38
−
ERROR
P
88
Data Bit 1
P
39
−
INIT
P
89
Data Bit 2
P
40
−
SLCT IN
P
90
Data Bit 3
P
41
Data Bit 4
P
91
Data Bit 5
P
42
Data Bit 6
P
92
Data Bit 7
P
43
−
ACK
P
93
BUSY
P
44
PE
P
94
SLCT
P
45
GND
G
95
GND
G
46
RED
V
96
−
VIDEO_PDN
V
47
BLUE
V
97
GREEN
V
48
HSYNC
V
98
DDCDATA
V
49
VSYNC
V
99
DDCCLOCK
V
50
GND
G
100
GND
G
Type Legend:
G: Ground
W: Powerline
F: Diskette drive signal
K: Keyboard/Mouse signal
S: Serial port signal
P: Parallel port signal
V: Video signal
2-10
ThinkPad 560/560E System Board