IBM 3270 Manual page 51

8. Press Enter and the following message will be
displayed.
Insert diskette for drive B: and strike
any key when ready
1 File(s) copied
9. Now, you are ready to begin. Insert your
system diskette into Drive A.
10. Push down the load lever on drive A.
11. Type:
lb::
12. Make sure you typed the colon after the "b".
I A>b
13. Press the Enter key.
This will change your default drive to B.
14. Type:
indfault b:
15. Make sure that you typed this command
exactly with the space shown and the colon
{:} at the end.
1-42 Book 2 - Setting Up and Learning