IBM 5155 Manual To Operations page 236

--
5
Place the system unit so that the rear faces you.
Disconnect all cables and the power cord from
the rear of the system unit.
,~
-.;;::
0
~al
~
J
~
0
-----=
­
L­
~
6
Close the system access panel.
IE
ll====='--~======I~ t ~11
t=====I
4-8 Option Installation