various problems. The delay between each beep is 300 ms, the delay between
each set of beeps is 3 seconds, and the beep sound lasts 300 ms. After each
beep and each set of beeps, the BIOS should detect if the user presses the
power button. If so, BIOS will jump out from looping and execute the normal
shutdown process and power system.
Code 1
Cause BIOS ROM checksum in progress of failure
Troubleshooting Steps System board failure, covers BIOS corruption or ROM
error
Code 2
Cause No RAM detected
Troubleshooting Steps No memory detected
Code 3
Cause Chipset Error (North and South Bridge Chipset, DMA/
IMR/ Timer Error) , Time-Of-Day Clock test failure ,
Gate A20 failure , Super I/O chip failure , Keyboard
controller test failure
Troubleshooting Steps System board Failure
Code 4
Cause RAM Read/Write failure
Troubleshooting Steps Memory failure
Code 5
Cause Real-time clock power fail
Troubleshooting Steps CMOS battery failure
Code 6
Cause Video BIOS test failure
Troubleshooting Steps Video card failure
Code 7
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