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Beep symptoms - ThinkPad R30, R31
Applicable countries and regions
Symptom or error FRU or action, in sequence
1 short beep End Diagnostic boot
3 short beeps Post error
4 short beeps Low battery warning beep
3 long beeps System POST: Critical Thermal
2 long beeps

DRAM type error
PC133 SDRAM only
Responses of Boot Block BIOS Flash  
2 long, 1 short, and then 1 long beep Success
1 long, 1 short beep BIOS file size mismatch
1 long, 2 short beeps BIOS file reading error
2 short beeps Floppy drive not installed
   
Continuous 2 short, 1 long beeps Inhibit bay swap, BaySwap alarm
1 short beep AC attach/detach
1 short beep System enters / resume from S1/S3/S4 state. Power control beep
1 short beep Volume keyUp/Down, Volume control beep
Applicable countries and regions
Worldwide

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Document id:  MIGR-39706
Last modified:  2002-01-21
Copyright © 2009 IBM Corporation
Copyright © Lenovo 2009, all rights reserved
 
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