IBM 5155 Manual To Operations page 105

Test 600
1
Remove the Diagnostics diskette.
2
Does your screen match the one shown in the
figure below?
SYSTEM UNIT XXX
**** WARNING ****
DATA WILL BE DESTROYED
INSERT SCRATCH DISKETTE IN DRIVE A:
PRESS ENTER WHEN READY
.,
•
"/
;or::.
YES - Go to the next step.
NO - Record the error message and have the
system unit serviced.
January 1984
Test 600-1