User`s manual

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Chapter 3: BIOS Setup
3.1 Introducing BIOS
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 gains
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.
In the BIOS Setup main menu of Figure 3-1, you can see several options. We will explain these options
step by step in the following pages of this chapter, but let us first see a short description of the function keys
you may use here:
• Press <Esc> to quit the BIOS Setup.
• Press ↑↓←→ (up, down, left, right) to choose, in the main menu, the option you want to confirm or to
modify.
• Press <F10> when you have completed the setup of BIOS parameters to save these parameters and
to exit the BIOS Setup menu.
• Press Page Up/Page Down or +/– keys when you want to modify the BIOS parameters for the active
option.
3.2 Entering BIOS Setup Menu
Power on the computer and by pressing <Del> immediately allows you to enter BIOS Setup Menu.
If you are not able to enter the BIOS menu but 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 <Ctrl>, <Alt> and <Delete> keys.
The items under each BIOS category described in this chapter are under continuous
update for better system performance. Therefore, the description may be slightly
different from the latest BIOS and should be held for reference only.