IBM 3270 Hardware User's Manual page 57

Turning on the 3270 PC
You are now ready to turn on your 3270 PC:
1. Get the Diagnostic Diskette from the back of
this binder.
When you handle any diskettes, always:
Grasp
by
Corner
Never:
Don't Bend
Proper
When Not In Use
Improper
Don't
Touch
Disk
2-40 Book 1 - 3270 PC Work Station User's Guide