4-2 IBM Personal Computer User Guide
Configuration/Setup Utility overview
The Configuration/Setup Utility lets you view and change important information
about your computer and its hardware. You might need to use it if you upgrade the
hardware in your computer or if you get an error message while using your
computer.
In most circumstances, when you add or replace hardware in your system unit, your
computer’s Basic Input/Output System (BIOS) detects the hardware changes and
updates Setup parameters automatically. In some cases, however, you might need
to manually change the configuration information in Setup. If you add or remove
hardware, an online message may ask you to check Setup to verify that automatic
detection made the correct configuration changes.
You can use the Setup menus to view information about your system’s hardware
configuration. In general, the Setup menus contain information on the following:
• Processor type and speed
• System memory
• Diskette, hard disk, and CD-ROM drives
• Serial and parallel ports
• Plug and Play options
• Startup options
• Model information
• Date and time settings
• Security options
• Power management options
Some of the parameters and related settings in Setup are for reference only, such
as those items in the System Summary and Product Data menus. Refer to the
section “Viewing system information and product data” on page 4-6 for details on
these menus.
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