40 SYSTEM MANAGEMENT
Advanced**
Boot Allows you to set:
POST mode (QuickBoot, FullBoot, or FullBoot every 1–30 days).
POST messages (enable/disable).
Safe POST (enable/disable). Enabling this features allows a watchdog timer to operate during
Option ROM execution. If an option ROM hangs and the user cycles the power on the system,
POST detects that an error occurred during the last boot, and displays a message. The
offending option ROM code is skipped.
NOTE This setting might need to be disabled if an option ROM takes a long time to execute. The
watchdog timer might expire on a normally executing option ROM and skip it on the next boot.
F9 prompt (enable/disable). Enabling this feature will display the text F9=Boot Menu during
POST. Disabling this feature prevents the text from being displayed. However, pressing the
F9 key will still access the Shortcut Boot [Order] Menu screen.
F10 prompt (enable/disable). Enabling this feature displays the text F10=Setup during
POST. Disabling this feature prevents the text from being displayed but pressing F10
still accesses the Setup screen.
F12 prompt (enable/disable). Enabling this feature displays the text F12=Network Service
Boot during POST. Disabling this feature prevents the text from being displayed but pressing
F12 still forces the system to attempt booting from the network.
Option ROM* prompt (enable/disable). Enabling this feature causes the system to display a
message before loading options ROMs.
POST Delay (in seconds) (enable/disable). Enabling this feature adds a user-specified delay
to the POST process. This delay is sometimes needed for hard disks on some PCI cards that
spin up slowly—so slowly that they are not ready to boot by the time POST is finished. The
POST delay also gives you more time to select F10 to enter Computer Setup (F10).
Num Lock State at Power-On (enable/disable). Enabling this feature automatically turns on
Num Lock at startup.
Power/Sleep/
Wake
Options:
Remote Wakeup Boot Source
After Power Loss (on/off).
S5 wake on LAN (enable/disable).
Unique Sleep State Blink Rates (enable/disable). Allows you to choose an LED blink pattern
that uniquely identifies each sleep state.
Processors Enable/disable processor cache, Hyper-Threading Technology, and power management features.
NOTE Enabling Power Management turns on Demand-Based Switching, a feature which reduces
processor frequency and voltage (thus, power) when usage is low (but the system is still in S0/
working state).
Chipset/
Memory
ECC support enables hardware-based error correction for ECC-capable memories.
Memory scrubbing (enable/disable)
Memory remapping (enable/disable)
PCI SERR# generation (enable/disable)
PCI VGA palette snooping (enable/disable), which sets the VGA palette snooping bit in PCI
configuration space; only needed when more than one graphics controller is installed.
Table 3-1 Computer Setup Menu Descriptions
Heading Option Description
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