IBM 5155 Manual To Operations page 303

80
Your system unit is now ready for the power-on
self test (POST). Go to Section 1,
"Introduction/Installation" for a description of
this test.
Note:
If
you have any problems after the
installation, one of the following is the most
likely cause:
• Cables are connected incorrectly.
• Switches are set incorrectly.
• Other options may have loosened.
• The option you just installed is defective.
Option Installation 4-75