IBM PS/2 95 XP 486 Hardware Maintenance Service page 31

14.4 Miscellaneous Symptoms
+------------------------------------------------------------------------+
¦ Symptom/Error
+------------------------------------+-----------------------------------¦
¦ Program loads from the hard disk
¦ drive, or a non-system or disk
¦ error (with the Reference Diskette ¦ System Board
¦ in drive A).
¦
+------------------------------------+-----------------------------------¦
¦
¦ Information-Panel Display
¦ fails
¦
¦
+------------------------------------+-----------------------------------¦
¦
¦ Display screen changes
¦ colors
¦
+------------------------------------+-----------------------------------¦
¦ Power-on light does not light and
¦ fan runs
¦
¦
¦
+------------------------------------+-----------------------------------¦
¦
¦ IML image has been
¦ updated and the
¦ insert-diskette icon
¦ appears on display and a
¦ I99900XX on the
¦ information panel.
¦
+------------------------------------+-----------------------------------¦
¦
¦ Memory count displayed
¦ does not match memory
¦ installed.
¦ (See "Memory" in topic 12.0
¦ before replacing any FRUs.)
¦
+------------------------------------+-----------------------------------¦
¦
¦ One or more keys do
¦ not work and system
¦ is otherwise
¦ functional
¦
+------------------------------------+-----------------------------------¦
¦ Intermittent Failures
¦ (See "Undetermined Problem" in
¦ topic 4.0 before replacing any
¦ FRUs.)
¦
+------------------------------------+-----------------------------------¦
¦
¦ System will not power-off
¦
¦
¦
+------------------------------------------------------------------------+
IBM PS/2 Model 95 XP 486 HMS
Miscellaneous Symptoms
¦ FRU / Action
¦
¦ Diskette Drive
¦ Power Supply
¦
¦
¦ System Board
¦ Information-Panel Assembly
¦ Power Supply
¦
¦
¦ Display
¦
¦
¦
¦ Information-Panel Assembly
¦ System Board
¦ Power Supply
¦
¦
¦ Verify an operating system
¦ has been loaded onto the
¦ default hard disk drive.
¦
¦
¦
¦
¦
¦ System Board Memory
¦
¦
¦
¦
¦
¦
¦ Keyboard
¦ Keyboard Cable
¦ System Board
¦
¦
¦
¦ Power Supply
¦ System Fans
¦ Any device or adapter
¦
¦
¦ Information-Panel Assembly
¦ System Board
¦ Power Supply
¦
¦ Copyright IBM Corp. 1990, 1991
14.4 - 1
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