Lenovo THINKCENTRE 8177 Bedienungsanleitung PDF herunterladen (Seite 88)

Beep symptoms

Beep symptoms are short tones or a series of short tones separated by pauses

(intervals without sound). See the following examples.

Beeps Description

1-2-X

v One beep

v A pause (or break)

v Two beeps

v A pause (or break)

v Any number of breaks

4 Four continuous beeps

Use the following table to diagnose beep symptoms.

Beep Symptom FRU/Action

1-1-3

CMOS read-write error

1. Run Setup

2. System Board

1-2-2-3

ROM BIOS check error

System board

1-2-1

Programmable Interval Timer failed

System board

1-2-2 DMA Initialization failed System board

1-2-3 DMA page register write/read failed System board

1-2-4 RAM refresh verification failed

1. Memory module

2. System Board

1-3-3-1 1st 64K RAM test failed

1. Memory module

2. System Board

1-3-2 1st 64K RAM parity test failed

1. Memory module

2. Processor

3. System Board

2-2-3-1

Interrupt vector loading test failed

System board

2-1-1 Secondary DMA register failed System board

2-1-2

Primary DMA register failed

System board

2-1-3 Primary interrupt mask register failed System board

2-1-4 Secondary interrupt mask register

failed

System board

2-2-1 Interrupt vector loading failed System board

1-3-1-3 Keyboard controller failed

1. System Board

2. Keyboard

2-2-3

CMOS power failure and checksum checks

failed

1. Battery

2. System Board

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