Computer Setup—Power

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

Table 5 Computer Setup—Power

Option

Description

 

 

OS Power

Runtime Power Management— Enable/Disable. Allows certain operating systems to reduce

Management

processor voltage and frequency when the current software load does not require the full

 

capabilities of the processor.

 

Idle Power Savings—Extended/Normal. Allows certain operating systems to decrease the

 

processors power consumption when the processor is idle.

 

ACPI S3 Hard Disk Reset—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.

 

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 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.

 

S0 = Solid green LED.

 

S3 = 3 blinks at 1Hz (50% duty cycle) followed by a pause of 2 seconds (green LED) —

 

 

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) —

 

 

repeated cycles of 4 blinks and a pause.

 

S5 = 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

SATA power management enables or disables SATA bus and/or device power management.

Management

 

 

 

 

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

ENWW

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HP dc7900 manual Computer Setup-Power

dc7900 specifications

The HP dc7900 is a well-regarded desktop solution that serves as a testament to HP's commitment to performance, reliability, and user accessibility. Introduced as part of HP’s Compaq line and designed primarily for business professionals, the dc7900 combines powerful processing capabilities with a compact form factor that suits various office environments.

One of the standout features of the HP dc7900 is its robust configuration options. It typically comes equipped with Intel's Core 2 Duo or Quad processors, giving users the ability to handle demanding applications seamlessly. The inclusion of Intel's technologies, such as Intel vPro, enhances remote management and IT control, making it an ideal choice for businesses looking to streamline their operations.

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In terms of graphics capabilities, the HP dc7900 typically features integrated Intel graphics, with options to install discrete graphics cards for users who require enhanced visual performance. This makes the dc7900 suitable for tasks ranging from standard office applications to more graphics-intensive responsibilities.

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The HP dc7900 is not just a powerful desktop; it’s a versatile and dependable solution for modern businesses. With its combination of performance, expandability, and solid build quality, the dc7900 remains a relevant choice for those looking to enhance their productivity and efficiency in the workplace.