Specifications

Diagnostics and Troubleshooting 3-13
Table 3-2
POST Error Messages
continued
Error Code Audible Beeps Probable Source of
Problem
Action
301-Keyboard
Error or Test
Fixture Installed
None Keyboard failure
occurred.
Replace the keyboard.
ZZ-301-Keyboard
Error
None Keyboard failure
occurred. (ZZ
represents the
Keyboard Scan
Code.)
1. A key is stuck. Try to free it.
2. Replace the keyboard.
303-Keyboard
Controller Error
None System board,
keyboard, or mouse
controller failure
occurred.
1. Run Diagnostics.
2. Replace failed assembly as
indicated.
304-Keyboard or
System Unit Error
None Keyboard, keyboard
cable, or system
board failure.
1. Make sure the keyboard is
attached.
2. Run Diagnostics.
3. Replace the indicated part.
40X-Parallel
Port X Address
Assignment
Conflict.
2 short Both external and
internal ports are
assigned to Parallel
Port X.
Run the server setup utility and correct.
continued