IBM B50 - Manual (Page 171)

Step 6
The diagnostics loaded correctly.
Go to “Problem Determination Using the Standalone or Online Diagnostics” on
page 8-1.
Step 7
There is a problem with the keyboard.
Find the type of keyboard you are using in the following table, and follow the
instructions given in the Action column.
Keyboard Type Action
101–key keyboard. Identify by the type of
Enter key used. The Enter key is within
one horizontal row of keys. Record error code M0KBD001 and report
the problem to the service organization.
102–key keyboard. Identify by the type of
Enter key used. The Enter key extends
into two horizontal rows of keys. Record error code M0KBD002 and report
the problem to the service organization.
Kanji keyboard. Identify by the Japanese
characters. Record error code M0KBD003 and report
the problem to the service organization.
ASCII–terminal keyboard. This applies to
all attached terminals. Go to the documentation for problem
determination for this type terminal.
Chapter 8. Hardware Problem Determination 8-15