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BIOS
70h Reserved
71h Reserved
72h Reserved
73h
(QWHU$:')/$6+(;(LI$:')/$6+(;(LVIRXQGLQÀRSS\GLYH
and ALT+F2 is pressed
74h Reserved
75h Detect and install all IDE devices: HDD, LS120, ZIP, CDROM...
76h Reserved
77h Detect serial ports and parallel ports
78h Reserved
79h Reserved
7Ah Detect and install coprocessor
7Bh Reserved
7Ch Reserved
7Dh Reserved
7Eh Reserved
7Fh
Switch back to text mode if full screen logo is supported: if errors
occur, report errors & wait for keys, if no errors occur or F1 key is
pressed continue - Clear EPA or customization logo
80h Reserved
81h Reserved
82H
Call chipset power management hook: Recover the text fond used
by EPA logo (not for full screen logo), If password is set, ask for
password
83H Save all data in stack back to CMOS
84h Initialize ISA PnP boot devices
85h
Final USB initialization; NET PC: Build SYSID structure; Switch
screen back to text mode; Set up ACPI table at top of memory; Invoke
ISA adapter ROM’s; Assign IRQ’s to PCI devices; Initialize APM; Clear
noise of IRQ’s
86h Reserved
87h Reserved
88h Reserved
89h Reserved
90h Reserved
91h Reserved
92h Reserved
93h Read HDD boot sector information for Trend Anti-Virus code
94h
(QDEOH/FDFKH3URJUDPERRWXSVSHHG&KLSVHW¿QDOLQLWLDOL]DWLRQ
3RZHUPDQDJHPHQW¿QDOLQLWLDOL]DWLRQ&OHDUVFUHHQDQGGLVSOD\
summary table; Program K^ write allocation; Program P6 class write
combining
95h Program daylight saving; Update keyboard LED and typematic rate
96h
Build MP table; Build and update ESCD; Set CMOS century to 20h or
19h; Load CMOS time into DOS timer tick; Build MSIRQ routing table
FFh Boot attempt (INT 19h)