Test 1500 - IBM Personal Computer AT Manual To Operations

Test 1500
Press Enter (.....-J ) to start this test.
Did you receive a 15XX error?
XX:XX:XX
ERROR
SYSTEM UNIT 15XX
END - TEST 1500
PRESS "ENTER" TO CONTINUE
?
(X
cam be any number.)
YES Have your system unit serviced. Be sure your
Key Lock key is with your system unit.
NO
You have completed the Synchronous Data Link
Control Adapter test. Press Enter (.....-J ) and
refer to the screen for the next test.
Test 1500-1