TYAN THUNDER K8QE Manual page 73

Code Beeps / Description
7Eh Initialize coprocessor if present
80h Disable onboard Super I/O ports and
IRQs
81h Late POST device initialization
82h Detect and install external RS232
ports
83h Configure non-MCD IDE controllers
84h Detect and install external parallel
ports
85h Initialize PC-compatible PnP ISA
devices
86h. Re-initialize onboard I/O ports.
87h Configure Motherboard Devices
88h Initialize BIOS Data Area
89h Enable Non-Maskable Interrupts
(NMIs)
8Ah Initialize Extended BIOS Data Area
8Bh Test and initialize PS/2 mouse
8Ch Initialize floppy controller
8Fh Determine number of ATA drives
(optional)
90h Initialize hard-disk controllers
91h Initialize local-bus hard-disk
controllers
92h Jump to UserPatch2
93h Build MPTABLE for multi-processor
boards
95h Install CD ROM for boot
96h Clear huge ES segment register
97h Fixup Multi Processor table
98h 1-2. Search for option ROMs.
99h Check for SMART Drive (optional)
9Ah Shadow option ROMs
9Ch Set up Power Management
9Dh Initialize security engine (optional)
9Eh Enable hardware interrupts
9Fh Determine number of ATA and SCSI
drives
A0h Set time of day
A2h Check key lock
A4h Initialize Typematic rate
A8h Erase F2 prompt
AAh Scan for F2 key stroke
ACh Enter SETUP
AEh Clear Boot flag
B0h Check for errors
B2h POST done - prepare to boot
operating system
Code
BAh Initialize DMI parameters
BBh Initialize PnP Option ROMs
BCh Clear parity checkers
BDh Display MultiBoot menu
BEh Clear screen (optional)
BFh Check virus and backup reminders
C0h Try to boot with INT 19
C1h Initialize POST Error Manager (PEM)
C2h Initialize error logging
C3h Initialize error display function
C4h Initialize system error handler
C5h PnPnd dual CMOS (optional)
C6h Initialize notebook docking (optional)
C7h Initialize notebook docking late
C8h Force check (optional)
C9h Extended checksum (optional)
D2h Unknown interrupt
E0h Initialize the chipset
E1h Initialize the bridge
E2h Initialize the CPU
E3h Initialize system timer
E4h Initialize system I/O
E5h Check force recovery boot
E6h Checksum BIOS ROM
E7h Go to BIOS
E8h Set Huge Segment
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
F1h Initialize Run Time Clock
F2h Initialize video
F3h Initialize System Management Mode
F4h Output one beep before boot
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Beeps / Description