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IWILL ZMAXdp
56 User’s Manual
BIOS Setup program
This chapter discusses the AMI® BIOS Setup program built into the ROM BIOS. The Setup
program allows users to modify the basic system configuration.
The BIOS is the Basic Input / Output System used in all IBM PC, XT, AT, and PS/2 compatible
computers. The AMIBIOS flash chip stores the system parameters, such as type of disk drives,
video displays, etc. in the CMOS. When the computer is turned off, a back-up battery provides
power to the BIOS flash chip, enabling it to retain system parameters. Each time the computer is
powered-on the computer is configured with the values stored in the BIOS ROM by the system
BIOS, which gains control at boot-up.
The AMI® BIOS installed in your computer system’s ROM (Read Only Memory) is a custom
version of an industry standard BIOS. The BIOS provides critical low-level support for standard
devices such as disk drives and serial and parallel ports.
STARTING THE BIOS SETUP
The AMI® BIOS is immediately activated every time you power on the system. The BIOS reads
the system information contained in the CMOS and begins the process of checking the system
and configuring it. After configuring the system, the BIOS will follow the Boot Order to seek out an
operating system. The BIOS then turns control of the system over to the operating system.
The CMOS information that determines the system parameters may be changed by entering the
BIOS Setup utility.
1. Power on the System. Note: Normally, the only visible POST (Power On Self Test) routine is
the memory test.
2. As the memory is being tested, you can access the BIOS Setup Utility by pressing the <F2>
key when “Press < F2> to enter SETUP” appears briefly at the bottom of the screen.
From the main menu of the BIOS Setup Utility, you can access the other setup screens, such as
the Security and Power menus.