MPC Computers, LLC
NetFRAME 1420
62
BIOS Setup
This section describes the Basic Input/Output System (BIOS) Setup options. Use Setup to
change the server configuration defaults. You can run Setup with or without an operating system
being present. Setup stores most of the configuration values in battery-backed CMOS; the rest of
the values are stored in flash memory. The configuration values take effect when you boot the
server. Power-on self test (POST) uses these values to configure the hardware; if the values and
the actual hardware do not agree, POST generates an error message. You must then run BIOS
Setup to specify the correct configuration.
System BIOS
The BIOS is the Basic Input Output System. The Phoenix BIOS flash chip stores the system
parameters, such type of disk drives, video displays, etc. in the CMOS. The CMOS memory
requires very little electrical power. When the computer is turned off, a backup 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.
Starting Setup
Normally, the only visible POST (Power On Self Test) routine is the memory test. As the memory
is being tested, press the [Delete] key to enter the main menu of the BIOS Setup utility. From the
main menu, you can access the other setup screens, such as the Chipset and Power menus.
Main BIOS Setup gives detailed descriptions of each parameter setting in the Setup utility.
The following sections provide more information about BIOS Setup.
Changing the Configuration Data
Running Setup
Main Setup
Advanced Setup
Security
Boot
Exit
Changing the Configuration Data
The CMOS information that determines the system parameters may be changed by entering the
BIOS Setup utility. This Setup utility can be accessed by pressing [Delete] at the appropriate time
during system boot.
Running Setup
The BIOS setup options described in this section are selected by choosing the appropriate text
from the Main BIOS Setup screen. All displayed text is described in this section, although the
screen display is often all you need to understand how to set the options.
While the BIOS is in control, the Setup program can be activated in one of two ways:
1. By pressing [Delete] immediately after turning the system on; or
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