IBM 770 manual External, System Board

Models: 770

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External

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

 

 

61

181

 

 

 

 

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

Page 31
Image 31
IBM 770 manual External, System Board