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Chapter 2 11
Phoenix TrustedCore Setup Utility
Phoenix TrustedCore Setup Utility is a hardware configuration program built into your system's Basic Input/
Output System (BIOS). Since most systems are already properly configured and optimized, there is normally
no need to run this utility.
You will need to run this utility under the following conditions:
T When changing the system configuration including:
t Setting the system time and date
t Configuring the hard drives
t Specifying the boot device sequence
t Configuring the power management modes
t Setting up system passwords or making other changes to the security setup
T When a configuration error is detected by the system and you are prompted (“Run Setup” message) to
make changes to the BIOS settings.
IMPORTANT: If you repeatedly receive “Run Setup” messages, the RTC battery located on the system
board (RTC1) may be defective. In this case, the system cannot retain configuration values in
CMOS. Replace the RTC battery with a new one.
NOTE: For ease of reading, Phoenix TrustedCore Setup Utility will be simply referred to as “Setup” or “Setup
Utility” in this Service Guide.
The screenshots used in this guide display default system values. These values may not be the same
as those in your computer.
In the descriptive tables following each of the menu screen illustrations, settings in boldface are the
default and suggested parameter settings.
The Setup Utility loads the configuration values in a battery-backed nonvolatile memory called CMOS RAM.
This memory area is not part of the system RAM, which allows configuration data to be retained when power is
turned off. The values take effect when the system is booted. 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 run this utility to change the BIOS settings from the default or current configuration.
System Utilities
Chapter 2
Acer Aspire 5910 SG.book Page 11 Tuesday, May 29, 2007 11:40 AM