IBM 2140 Personal Computer User Manual


 
Layout—Type A-1” on page 5-2, and “System Board Layout—Type
A-2” on page 5-5.
Run the Easy Test Diagnostics test again.
If an error or other symptom is displayed, go to “Index of Symptoms,
Messages, Error Codes, or Beeps” on page 2-9.
If no error can be detected or the symptom is intermittent, go to
“Undetermined Problem” on page 2-56.
Check Procedures 2-45