IBM 5150 Manual To Operations page 37

Summary
This completes your system Mini-test.
IBM recommends you perform a complete system checkout whenever
r""'-\
you recable your machine or install an option. The system checkout
; is titled Section 4. "Problem Determination Procedures."
Return your Diagnostic Aid cassette or diskette to Guide to
Operations.
You are now ready to learn the fundamentals of your system
(Section 3. "Operation Instructions") or to return to your software
program.
Setup 2-21