Chapter 3 introducing bios – Jetway Computer NC9BU User Manual
Page 24

19
Chapter 3
Introducing BIOS
Notice!
The BIOS options in this manual are for reference only. Different 
configurations may lead to difference in BIOS screen and BIOS 
screens in manuals are usually the first BIOS version when the board is 
released and may be different from your purchased motherboard. 
Users are welcome to download the latest BIOS version form our 
official website. 
The BIOS is a program located on a Flash Memory on the motherboard. This program 
is a bridge between motherboard and operating system. When you start the computer, 
the BIOS program will gain control. The BIOS first operates an auto-diagnostic test 
called POST (power on self test) for all the necessary hardware, it detects the entire 
hardware device and configures the parameters of the hardware synchronization. 
Only when these tasks are completed done it gives up control of the computer to 
operating system (OS). Since the BIOS is the only channel for hardware and software 
to communicate, it is the key factor for system stability, and in ensuring that your 
system performance as its best. 
3-1
Entering
Setup
Power on the computer and by pressing  immediately allows you to enter Setup.  
If the message disappears before your respond and you still wish to enter Setup, 
restart the system to try again by turning it OFF then ON or pressing the “RESET” 
button on the system case. You may also restart by simultaneously pressing 
system does not boot, an error message will be displayed and you will again be asked 
to 
 
Press  to enter Setup 
