System Diagnosis and Support 8-5
8.2.2 Start-up Process of BIOS
The start-up process of BIOS is a black-box operation, and the primary description is as following:
Self-test after the system power-on
The LCD is blank screen in a short time.
Initialization& The settings of record system &
Providing the resident programmer library & Loading
the operation system
8.2.3 Start-up of Linux
Linux
start-up
BIOS startup process
Guiding the course of
programme loading
The course of testing
and HDD configuration
The procedure finishes switching of the memory model, starting
file system and so on。
The course of the
internal core loading
The course of users
logging on
Start DOPPLER
gather the following information: system firmware information, bus
adapter type, video card adapter type, keyboard, communication
port, thus to finish data inspection.
Function: Loading the kernel and the hardware abstraction layer
to the kernel 、Loading the controller information、 loading device
driver programmer and service、 load dialogue management
Provide logging-on and deregister, now log on the
system automatically
Guiding the course of
programmer loading & the course
of testing and HDD configuration
The LCD is black screen now, and the time of the course is
short.
The course of the internal core
loading & the course of logging on
LINUX startup graphics appears
Doppler startup graphics appears, and simultaneously
progress bar displays the related information.