IBM AT/370 Manual To Operations page 69

13
The AT/370 adapter cards were not sensed as
installed in your system unit. Verify that the
AT/370 cards are correctly installed. (You can
verify proper installation of these cards using the
information in "SECTION 2. AT /370 OPTION
ADAPTER" of this manual. See "Removing the
Cover" on page 2-6.)
• If the AT/370 adapter cards were NOT
correctly installed in your system unit and
you have now correctly installed the cards,
return to step 6 on page 4-8.
• If the AT /370 adapter cards were NOT
correctly installed in your system unit and
you cannot correct the problem, have your
system unit serviced.
• If the AT/370 adapter cards ARE correctly
installed in your system unit and the
preceding message still displays, have your
system unit serviced.
Problem Determination Procedures 4-13