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Code Beeps / Description Code Beeps / Description
95h Install CD ROM for boot C9h Extended checksum
(optional)
96h Clear huge ES segment
register
D2h Unknown Interrupt
97h Fixup Multi Processor table 80h Chipset Init
98h 1-2. Search for option
ROMs.
81h Bridge Init
99h Check for SMART Drive
(optional)
82h Initialize the CPU
9Ah Shadow option ROMs 83h Initialize system timer
9Ch Set up Power Management 84h Initialize system I/O
9Dh Initialize security engine
(optional)
85h Check force recovery boot
9Eh Enable hardware interrupts 86h Checksum BIOS ROM
9Fh Determine number of ATA
and SCSI drives
87h Go to BIOS
A0h Set time of day 89h Set Huge Segment
88h Initialize Multi Processor 92h Initialize Run Time Clock
8Ah Initialize OEM special code 93h Initialize video
8Bh Initialize PIC and DMA 8Fh Initialize System
Management Mode
8Ch Initialize Memory type 94h Output one beep before
boot
8Dh Initialize Memory size 95h Boot to Mini DOS
8Eh Shadow Boot Block 96h Clear Huge Segment
90h System memory test 97h Boot to Full DOS
91h Initialize interrupt vectors