Advantech Mini-ITX AIMB-250 Series User Manual page 101

Code (hex) Name
7D Reserved
7E Reserved
7F POST error check
80 Reserved
81 Reserved
82 Security Check
83 Write CMOS
84 Pre-boot Enable
85 Initialize Option ROMs
86 Reserved
87 Reserved
88 Reserved
89 Reserved
8A Reserved
8B Reserved
8C Reserved
8D Reserved
8E Reserved
8F Reserved
90 Reserved
91 Reserved
92 Reserved
93 Boot Medium detection
94 Final Init
95 Special KBC patch
96 Boot Attempt
FF Boot
Description
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.
User's Manual
AIMB-250 User's Manual 101