Lenovo ThinkPad 770 Technical Reference Manual for the ThinkPad 770 - Page 31
External Bus Connector, M: PC Card signal
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External Bus Connector The docking station is connected through the 240-pin external bus connector on the rear panel. This connector is installed on the system board and has the following pin assignments: 121 1 60 180 240 120 Type Legend: A: Audio signal C: System control signal F: Diskette drive signal G: Ground I: IDE hard disk drive signal J: Joy stick / Midi K: Keyboard/mouse signal L: Parallel port 61 181 M: PC Card signal P: PCI-bus signal R: Reserved S: Serial port signal T: ISA-bus signal U: USB V: Video signal W: Power line System Board 2-9
External Bus Connector
The docking station is connected through the 240-pin external bus
connector on the rear panel.
This connector is installed on the
system board and has the following pin assignments:
1
240
120
121
60
180
181
61
Type Legend:
A: Audio signal
M: PC Card signal
C: System control signal
P: PCI-bus signal
F: Diskette drive signal
R: Reserved
G: Ground
S: Serial port signal
I: IDE hard disk drive signal
T: ISA-bus signal
J: Joy stick / Midi
U: USB
K: Keyboard/mouse signal
V: Video signal
L: Parallel port
W: Power line
System Board
2-9