Beep Codes

Beep Codes

One beep and the appearance of text on the monitor indicate successful completion of POST. When POST detects a fatal error, the tests stop, and the server emits one or more beeps. Beep codes are sounded in a series of individual beeps. The duration of each beep is constant.

Beep Code Chart for Server Startup

Beep Code

Description

1Refresh failure

Action: Have the system serviced.

2Parity can't be reset

Action: Have the system serviced.

3First 64k memory failure

Action: If you have just installed or removed memory modules or the memory board, make sure that all memory modules and the memory board are seated properly. If the problem recurs, have the system serviced.

4Timer not operational

Action: Have the system serviced.

5Processor failure

Action: Have the system serviced.

68042 gate a20 is off (v_mode) Action: Have the system serviced.

7Exception interrupt error

Action: Have the system serviced.

8Display memory read/write error Action: Have the system serviced.

9ROM checksum error

Action: Have the system serviced.

10Shutdown reg. read/write error Action: Have the system serviced.

244PC Server 704 User's Handbook

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Image 262
IBM 704 manual Beep Codes, Beep Code Chart for Server Startup, Beep Code Description