IBM 5150 Hardware Maintenance Manual page 224

2. Align six holes in control circuit card with six posts in base
cover.
3.
4.
r"'\ 5.
6.
Lower control circuit card onto base cover and snap the three
retaining tabs
II
into place.
Install 3 hold down screws
m.
Guide control panel cable along right side of base cover and
around to front.
Place control panel cable under two retaining clips
m.
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