2-4 Sun Fire X4100/X4100 M2 and X4200/X4200 M2 Servers Service Manual • August 2009
Caution – When you use the Power button to enter standby power mode, power is
still directed to the Graphics Redirect and Service Processor (GRASP) board and
power supply fans, which is indicated when the Power/OK LED is flashing. To
completely power off the server, you must disconnect the power cords from the back
panel of the server.
2.3 Configuring BIOS Settings
This section describes how to view and modify the BIOS settings.
The Basic Input/Output System (BIOS) has a Setup utility stored in the BIOS flash
memory. The Setup utility reports system information and can be used to configure
the BIOS settings. The configured 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 will default to the original state specified at
the factory.
The first BIOS Setup menu screen is displayed. The BIOS Setup utility contains seven
menu screens, which are displayed in the following order: Main, Advanced,
PCI/PnP, Boot, Security, Chipset, and Exit.
Use the left and right arrow keys to move sequentially back and forth through the
seven screens. Fields that can be reconfigured are displayed in color. All other fields
are nonconfigurable. Use the up and down arrow keys to scroll through a menu. Use
the Tab key to move back and forth across columns.
2.3.1 Changing the Configuration of a BIOS Menu Item
You can change the BIOS configuration in several different interfaces.
■ Use a USB keyboard, a mouse, and a VGA monitor connected directly to the
server.
■ Use the remote video console of the ILOM Service Processor and redirect the
server’s console output. See Section B.2, “Redirecting Console Output” on
page B-2.
■ Use a terminal (or terminal emulator connected to a computer) through the serial
port on the back panel of the server.
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