Jetway 939GT4 user manual download (Page 60 of 64)

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Page 60 of 64
i5
Code(hex)
Name
Description
7C
HDD Check for
Write protection
HDD check out
7D
Reserved
7E
Reserved
7F
POST error check
Check POST error and display them
and ask for user intervention
80
Reserved
81
Reserved
82
Security Check
Ask password security (optional).
83
Write CMOS
Write all CMOS values back to RAM and
clear screen.
84
Pre-boot Enable
Enable parity checker
Enable NMI, Enable cache before boot.
85
Initialize
Initialize any option ROMs present
Option ROMs from C8000h to EFFFFh.
NOTE: When FSCAN option is enabled,
ROMs initialize from C8000h to F7FFFh.
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
Read and store boot partition head and
cylinders values in RAM
94
Final Init
Final init for last micro details
before boot
95
Special KBC patch
Set system speed for boot
Setup NumLock status according to
Setup
96
Boot Attempt
Set low stack
Boot via INT 19h.
FF
Boot
Quick POST Codes
Code(hex)
Name
Description
65
Init onboard
device
Early Initialized the super IO
Reset Video controller
Keyboard controller init
Test the Keyboard Initialized the
mouse Onboard audio controller
initialize if exist. Check the
intergraty of the ROM, BIOS and
message Check Flash type and copy
flash write/erase routines to 0F000h
segments Check Cmos Circuitry and
reset CMOS Program the chipset
registers with CMOS values
Init onboard clock generator
Sample