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Chapter 4
：
BIOS
4.1 BIOS introduction
4.1.1 BIOS Description
BIOS
（
Basic Input an Output System
），
Through the CMOS chip on the motherboard, the set
parameters of the system's various hardware devices are recorded. The BIOS contains a BIOS
setup program for users to set their own system parameters as needed to make the motherboard
work properly or perform specific functions. The relevant settings (except date and time) modified by
the BIOS Setup program are stored in the flash memory in the system, and the power needed to
remember the CMOS data is supplied by the battery on the motherboard, so that when the system is
powered off, the information will not be lost, and the system will be able to read the set data when
the power is switched on again.
Since the settings interface of our different products will be slightly different, the following screen for
your reference, it is possible that you are currently using the BIOS setup program is not exactly the
same.
4.1.2 Access to BIOS system methods
1. Power on the system or restart the system,
2. After powering on, when the screen self-test information appears, when the middle of the screen
appears "Press <DEL> to enter setup,<f11>to Popup menu" prompt, press the <Del> key to enter
the BIOS
4.1.3 In the BOIS interface, the key functions are as follows;
-
→←
：
Select a menu
-
↑↓
：
Select
- Enter
：
- +/- : change value
- F1
：
help
- F2
：
Discard this modification and go back to the last set value.
- F9
：
Restoring factory defaults
- F10
：
Save changes and exit
