BIOS – Allows you to select a hardware device to boot from, and to configure other aspects of system operation

Bootloader– After the BIOS exits, the bootloader offers a selection of configured operating systems

BIOS and BIOS Configuration Utilities

When you power on your server module, it completes its self-test and then displays a series of messages that offer a chance to access and configure the BIOS.

If you do nothing, the server module boots from the default device.

If you enter a keystroke,the server module does one of the following:

F2 – Enters BIOS configuration mode. This allows you to configure a wide range of BIOS options, including the default boot device. When you are done, the system re-boots using the settings you configured.

See the Sun Blade X6450 Server Service Manual for details.

F8 – Displays a list of configured hardware boot options, and continues booting from the selected device.

F12 – Boots from the network (netboot). See “To Load an OS Over the Network (Netboot)” on page 15.

BIOS Configuration Utilities – Many option cards have BIOS configuration utilities that can also be used to configure such things as disk volumes and RAID arrays.

Note – Many configurations require you to configure your option card(s) with their respective BIOS configuration utilities before installing your operating system. See “Accessing BIOS Configuration Utilities and Selecting a Boot Device” on page 13 for additional instructions.

Bootloader

When the BIOS Power-On Self Test (POST) is finished, an operating system boots.

Most operating systems start by opening a bootloader. Like the BIOS, a bootloader offers a menu of boot selections, and if you do nothing, it boots the default selection. However, unlike the BIOS, the bootloader offers a choice of installed operating systems, not a selection of bootable hardware devices.

After you make a selection or accept the default, the bootloader boots the indicated selection.

Chapter 1 Introduction

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Sun Microsystems X6450 manual Bios and Bios Configuration Utilities, Bootloader