IBM PS/2 N51 SX Hardware Maintenance Service page 32

10.2 Beep Symptoms
+------------------------------------------------------------------------+
¦ Symptom/Error
+------------------------------------+-----------------------------------¦
¦ Continuous beep.
+------------------------------------+-----------------------------------¦
¦ Repeating short beeps.
¦ (See "Keyboard" in topic 6.0
¦ before replacing any FRUs.)
+------------------------------------+-----------------------------------¦
¦ One long and one short beep.
+------------------------------------+-----------------------------------¦
¦ One long and two short beeps.
+------------------------------------+-----------------------------------¦
¦ One short beep and a blank,
¦ unreadable, or flashing display
¦ with no external display attached. ¦ System Board
¦
+------------------------------------+-----------------------------------¦
¦ One short beep and Diskette Prompt ¦ Diskette Drive
¦ or a program load from the hard
¦ disk or unable to read diskette.
+------------------------------------+-----------------------------------¦
¦ Two short beeps and a blank
¦ display.
+------------------------------------------------------------------------+
IBM PS/2 Model N51 SX HMS
Beep Symptoms
¦ FRU/Action
¦ System Board
¦ Keyboard
¦ Keyboard Control Card
¦ System Board
¦ System Board
¦ System Board
¦ LCD Panel
¦ LCD Inverter
¦ LCD Cable
¦ System Board
¦ Diskette Drive Cable
¦ System Board
¦
¦ Copyright IBM Corp. 1991
10.2 - 1
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