TYAN S5393 Manual page 62

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
F2h
F3h
F4h
F5h
F6h
F7h
62
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Beeps / Description
Initialize Run Time Clock
Initialize video
Initialize System Management
Mode
Output one beep before boot
Boot to Mini DOS
Clear Huge Segment
Boot to Full DOS