Advantech AIMB-251 Series User Manual page 102

AIMB-251 Series
Code (hex) Name
72 Install FDD
73 Install FDD
74 Detect & Initialize Math
Coprocessor
75 HDD Check for Write
protection
76 Reserved
77 Display POST error
78 CMOS and Option
ROM Init
79 Reserved
7A Reserved
7B Reserved
7C Reserved
7D Boot Medium detection
7E Final Init
7F Special KBC patch
80 Boot Attempt
FF Boot
102 AIMB-251 Series User's Manual
Description
Enter setup check and auto11 configuration check up Initialize
floppy disk drive controller and any drives. Install FDD and setup
BIOS data area parameters
Initialize hard drive controller and any drives. IDE device
detection and install Initialize any serial and parallel ports (also
game port).
Initialize math coprocessor.
HDD check out
Check POST error and display them and ask for user intervention
Ask password security (optional).
Write all CMOS values back to RAM and clear screen. Enable
parity checker Enable NMI, Enable cache before boot. Initialize
any option ROMs present from C8000h to EFFFFh.
NOTE: When FSCAN option is enabled, ROMs initialize from
C8000h to F7FFFh.
Read and store boot partition head and cylinders values in RAM
Final init for last micro details before boot
Set system speed for boot. Setup NumLock status according to
Setup.
Set low stack Boot via INT 19h.