IBM xSeries 380, Hardware Maintenance Manual

Page: 59 / 324

Diagnostics
49
‡ Does not provide a keystroke but performs another action.
--No function assigned to this keystroke combination.
Keyboard LED test
This test makes sure that all keyboard LEDs are working. As each LED is turned on,
you must report if the LED is lit.
Keyboard clock line test
The Keyboard Clock Line Test makes sure the keyboard clock line is working
properly. Select Keyboard and Keyboard Clock Line Test. Press <Enter> to start the
Keyboard Clock Line Test. The Clock Line Test screen should appear when the test
completes. The Keyboard clock line test error codes are shown below.
Keyboard data line test
The Keyboard Data Line Test makes sure the keyboard data line is working properly.
Select Keyboard from the Main Menu and Keyboard Data Line Test. Press <Enter> to
start the Keyboard Data Line Test. The Keyboard data line test error codes are shown
below.
Keyboard test error codes
For the keyboard test error codes, see “Keyboard test error codes” on page 242.
Video diagnostics
Running video tests
The video test you run depend on the type of monitor installed on your computer.
The type of monitor the test can be run on is specified below.
Video controller tests
These tests are designed for the controller aspect of the video diagnostics.