Mylex System Corp
1 long always 1 long beep to indicate start of beep coding
2 long video card bad or no videp card
1 long 1 short 1 long keyboard controller error
1 long 2 short 1 long keyboard error
1 long 3 short 1 long programmable INT controller 8259-1 error
1 long 4 short 1 long programmable INT controller 8259-1 error
1 long 5 short 1 long DMA p[age register error
1 long 6 short 1 long RAM refresh error
1 long 7 short 1 long RAM data test error
1 long 8 short 1 long RAM parity error
1 long 9 short 1 long DMA controller-1 error
1 long 10 short 1 long CMOS RAM failure
1 long 11 short 1 long DMA controller-2 error
1 long 12 short 1 long CMOS-RAM battery failure
1 long 13 short 1 long CMOS-checksum failure
1 long 14 short 1 long BIOS ROM checksum failure
more than 2 long beeps indicates multiple failures