TYAN S5221 User Manual page 52

Code Beeps / Description
E9h Initialize Multi Processor
EAh Initialize OEM special code
EBh Initialize PIC and DMA
ECh Initialize Memory type
EDh Initialize Memory size
EEh Shadow Boot Block
EFh System memory test
F0h Initialize interrupt vectors
Code
F1h Initialize Run Time Clock
F2h Initialize video
F3h Initialize System Management
Mode
F4h Output one beep before boot
F5h Boot to Mini DOS
F6h Clear Huge Segment
F7h Boot to Full DOS
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Beeps / Description