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| Sun Fire X4470 Server ### Service Manual

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## 7.2 About the BIOS

The Basic Input/Output System (BIOS) has a setup utility stored in the BIOS flash memory. The setup utility reports system information and you can use it to configure the BIOS settings. The configurable data is provided with context-sensitive help and is stored in the system's battery-backed CMOS RAM. If the configuration stored in the CMOS RAM is invalid, the BIOS settings return to their default optimal values.

There are eight menus in the BIOS Setup Utility, which appear in this order: Main, Advanced, PCIPnP, Boot, Security, RC settings, Chipset, and Exit. To navigate the menus or options listed on the menu, use the keyboard arrow keys. The options or fields that you can configure on a menu appear in color. For further instructions on how to navigate and change settings in the BIOS Setup Utility, refer to the online instructions provided on the menu.

The remaining sections in this chapter provide additional information about the BIOS operations and menu options available on the server.

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