IBM H Series Installation And Service Manual page 228

(A–Z, a–z, and 0–9) for your password. As you type a character, a key appears in
the box.
Enter Password
Press Enter when you are finished; you are required to type the password again for
verification.
Verify Password
If you make a mistake, press the Esc key and start again.
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RS/6000 Enterprise Server Model H Series Installation and Service Guide