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Beep symptoms - ThinkPad R30, R31
Symptom or errorFRU or action, in sequence
1 short beepEnd Diagnostic boot
3 short beepsPost error
4 short beepsLow battery warning beep
3 long beepsSystem 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 beepSuccess
1 long, 1 short beepBIOS file size mismatch
1 long, 2 short beepsBIOS file reading error
2 short beepsFloppy drive not installed
  
Continuous 2 short, 1 long beepsInhibit bay swap, BaySwap alarm
1 short beepAC attach/detach
1 short beepSystem enters / resume from S1/S3/S4 state. Power control beep
1 short beepVolume keyUp/Down, Volume control beep


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Country Availability
AvailableWorldwide
Document ID : HT035792
Legacy Document ID : MIGR-39706
Last Updated :
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