IBM PCjr

High-resolution (80-column) test screens are shown if
you chose ID "8" under the display symbol.
To show these high-resolution test screens, the system
unit must have the 64KB memory and display
expansion installed.
64KB Memory and
Display Expansion
IS A 64KB MEMORY AND DISPLAY EXPANSION
INSTALLED?
NO You cannot choose test ID "8."
Move the cursor to "4" under the display
symbol.
Go to page 3-500-12.
Display 3-500-31