IBM 5280 User's Setup Procedures page 117

42. Do the following:
a. Remove the verification diskette from the diskette drive where it
is located.
b. Insert a blank diskette 20 in the same drive. You will find a
blank diskette 20 in the envelope shipped with each machine
that has a diskette 20 drive.
c. Press the Enter key.
43. Observe this display.
G1. If the top line of the display-starts blinking, press the
Reset or Error Reset key. The following display will
appear:
Options ar-£~
i.
Res-tal-
t
2 .. Exit
opt ion
PrOps!> ENTER
G2. Press the number 1, then press the Enter key.
Repeat step 24 through step 42. If the top line of the
display starts blinking again, record the four-digit error
code number for reference and call your service
representative.
This display will appear for approximately one minutes.
Diskette 2D l"€~ad/wr i te test in pr-c)cess.
44. Observe this display. Press the Enter key.
Type 2D Test COMPLete
l
F'l-ess ENTER
53-07 ]
J
User's Setup Procedures 111