IBM RT PC Problem Determination Manual page 40

2-12 Problem Determination Guide
9. Turn on the system unit and immediately insert
the diskette drive in location A and close the drive.
Notes:
a. Do not operate or move any device, unless instructed to do
so, while diagnostics are running.
b. The IBM Logo screen may display for a short time while the
diagnostics are loading and checking the system
configuration.
10. Wait about 4 minutes or until the DIAGNOSTIC OPERATING
INSTRUCTIONS screen appears.
Note:
The system may appear inactive during this time.
IS THE TWO-DIGIT DISPLAY BLANK (no numbers or letters
displayed)?
YES CONTINUE to next page.
NO
Go to "Step 20. Two-Digit Display" on page 2-26.
DIAG-1
into
AIZAF004