Computer Setup-Power | HP dc5850 instruction

Computer Setup—Power

NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration.

Option	Description

OS Power	● ACPI S3 Hard Disk Reset—Enabling this causes the BIOS to ensure hard disks are ready to
Management	accept commands after resuming from S3 before returning control to the operating system.
	● ACPI S3 PS2 Mouse Wakeup—Enables or disables waking from S3 due to PS2 mouse activity.
	● USB Wake on Device Insertion (some models)—Allows system to wake from Standby on USB
	device insertion.
	● Unique Sleep Blink Rates—This feature is designed to give the user a visual indication of the
	sleep state the system is in. Each sleep state has a unique blink pattern:
	◦	S0 = Solid green LED.
	◦	S3 = 3 blinks at 1Hz (50% duty cycle) followed by a pause of 2 seconds (green LED), i.e.,
		repeated cycles of 3 blinks and a pause.
	◦	S4 = 4 blinks at 1Hz (50% duty cycle) followed by a pause of 2 seconds (green LED), i.e.,
		repeated cycles of 4 blinks and a pause.
	◦	S5 = LED is off.
	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	SATA power management enables or disables SATA bus and/or device power management.
Management (some
models)

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.

10 Computer Setup (F10) Utility