IBM 770 User Manual
Pin
Type
Signal Name
Pin
Type
Signal Name
001
W
VCC5A
061
W
Dock-PWR
002
W
VCC5A
062
W
Dock-PWR
003
P
-PCIRST
063
W
Dock-PWR
004
G
GND
064
W
Dock-PWR
005
P
-ACK_GNT
065
A
L_OUT
006
P
-CLKRUN
066
A
AGND
007
G
GND
067
A
L_IN
008
P
AD30
068
G
GND
009
P
AD28
069
K
KBDATA
010
G
GND
070
K
MSDATA
011
P
AD26
071
K
MSCLK
012
P
AD24
072
G
GND
013
G
GND
073
S
-RI
014
P
AD23
074
S
-CTS
015
P
AD21
075
S
-DTR
016
G
GND
076
S
RXD
017
P
AD19
077
G
GND
018
P
AD17
078
P
AD0
019
G
GND
079
P
AD2
020
P
CBE2
080
G
GND
021
P
-IRDY
081
P
AD4
022
G
GND
082
P
AD6
023
P
-DEVSEL
083
G
GND
024
R
Reserved
084
P
CBE0
025
G
GND
085
P
AD9
026
P
-SERR
086
G
GND
027
P
PAR
087
P
AD11
028
R
Reserved
088
P
AD13
029
R
Reserved
089
R
R/-S
030
R
Reserved
090
R
Reserved
031
R
Reserved
091
R
Reserved
032
P
AD14
092
R
Reserved
033
P
AD12
093
P
AD15
034
G
GND
094
P
CBE1
035
P
AD10
095
G
GND
036
P
AD8
096
P
-PERR
037
G
GND
097
P
-STOP
038
P
AD7
098
G
GND
039
P
AD5
099
P
-TRDY
040
G
GND
100
P
-FRAME
041
P
AD3
101
G
GND
042
P
AD1
102
P
AD16
043
G
GND
103
P
AD18
044
P
PRDY
104
G
GND
045
R
Reserved
105
P
AD20
046
G
GND
106
P
AD22
047
S
-DCD
107
G
GND
048
S
TXD
108
P
CBE3
049
S
-RTS
109
P
AD25
050
S
-DSR
110
G
GND
051
W
KBD_+5V
111
P
AD27
052
K
KBCLK
112
P
AD29
053
G
GND
113
G
GND
054
A
R_IN
114
P
AD31
055
A
AGND
115
P
-REQ
056
A
R_OUT
116
G
GND
057
W
Dock-POR
117
P
PCICLK
058
W
Dock-POR
118
C
-BATOPDSBL
059
W
Dock-POR
119
W
VCC5B
060
W
Dock-POR
120
W
VCC5B
2-10 System Board