HP (Hewlett-Packard) B8U11UT#ABA ユーザーズマニュアル
Computer Setup—Power
NOTE:
Support for specific Computer Setup options may vary depending on the hardware
configuration.
Table 3-4
Computer Setup—Power
Option
Description
OS Power
Management
Management
●
Runtime Power Management— Enable/Disable. Allows certain operating systems to reduce
processor voltage and frequency when the current software load does not require the full
capabilities of the processor. Default is enabled.
processor voltage and frequency when the current software load does not require the full
capabilities of the processor. Default is enabled.
●
Idle Power Savings—Extended/Normal. Allows certain operating systems to decrease the
processors power consumption when the processor is idle. Default is extended.
processors power consumption when the processor is idle. Default is extended.
●
ACPI S3 Hard Disk Reset — Enable/disable. Enabling this causes the BIOS to ensure hard
disks are ready to accept commands after resuming from S3 before returning control to the
operating system.
disks are ready to accept commands after resuming from S3 before returning control to the
operating system.
●
Unique Sleep State Blink Rates—Enable/Disable. This feature is designed to provide a
visual indication of what sleep state the system is in. Each sleep state has a unique blink
pattern. Default is disabled.
visual indication of what sleep state the system is in. Each sleep state has a unique blink
pattern. Default is disabled.
◦
S0 (On) = Solid green LED.
◦
S3 (Stand By)= 3 blinks at 1Hz (50% duty cycle) followed by a pause of 2 seconds
(green LED) — repeated cycles of 3 blinks and a pause.
(green LED) — repeated cycles of 3 blinks and a pause.
◦
S4 (Hibernation)= 4 blinks at 1Hz (50% duty cycle) followed by a pause of 2 seconds
(green LED) — repeated cycles of 4 blinks and a pause.
(green LED) — repeated cycles of 4 blinks and a pause.
◦
S5 (Soft Off) = LED is off.
NOTE:
If this feature is disabled, S4 and S5 both have the LED off. S1 (no longer
supported) and S3 use 1 blink per second.
Hardware Power
Management
Management
SATA Power Management – Enables or disables SATA bus and/or device power management.
Default is enabled.
Default is enabled.
S5 Maximum Power Savings—Turns off power to all nonessential hardware when system is off to
meet EUP Lot 6 requirement of less than 1 Watt power usage. Default is disabled.
meet EUP Lot 6 requirement of less than 1 Watt power usage. Default is disabled.
Thermal
Fan idle mode—This bar graph controls the minimum permitted fan speed.
NOTE:
This setting only changes the minimum fan speed. The fans are still automatically
controlled.
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Chapter 3 Computer Setup (F10) Utility