HP Dc7700 HP Compaq dc7700 Business Desktop PC Service Reference Guide, 1st Ed - Page 22

Setup Utilities and Diagnostics Features Heading Option Description Security (continued) OS Security ✎ This selection is in effect only if the processor and operating system being used comprehend and utilize this feature. • Data Execution Prevention (some models) (enable/disable). Helps prevent OS security breaches. • Intel Virtualization Technology (some models) (enable/disable). Changing this setting requires turning the computer off and then back on. Power OS Power 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. • 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 - Allows system to wake from Standby on USB device insertion. Hardware Power Management SATA power management enables or disables SATA bus and/or device power management. Thermal Fan idle mode - This bar graph controls the minimum permitted fan speed. ✎ This setting only changes the minimum fan speed. The fans are still automatically controlled. ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2-10 433612-001 Service Reference Guide, dc7700