Computer Setup-Power - HP ProDesk 405 G2 Microtower Maintenance And Service Manual

Table 6-3 Computer Setup—Security (continued)
Computer Setup—Power
NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration.
Table 6-4 Computer Setup—Power
Option
OS Power Management
Hardware Power
Management
Thermal
68 Chapter 6 Computer Setup (F10) Utility
approved digital certificates to run during the firmware and OS boot process. Default is disabled,
except for Windows 8 systems which have this setting enabled. Secure Boot enabled also sets
Legacy Support to disabled.
● Key Management—This option lets you manage the custom key settings.
◦ Clear Secure Boot Keys—Don't Clear/Clear. Allows you to delete any previously loaded custom
boot keys. Default is Don't Clear.
◦ Key Ownership—HP Keys/Custom Keys. Selecting Custom Mode allows you to modify the
contents of the secure boot signature databases and the platform key (PK) that verifies
kernels during system start up, allowing you to use alternative operating systems. Selecting
HP Keys causes the computer boot using the preloaded HP-specific boot keys. Default is HP
Keys.
● Fast Boot—Enable/Disable. Fast boot disables the ability to interrupt boot, such as pressing f keys
to access items before the operating system loads. Default is enabled.
NOTE: If Windows 8 detects a serious error, it will interrupt the boot process automatically and
display advanced boot options.
From Windows 8, you can press
device or troubleshoot your computer.
Description
● Idle Power Savings—Extended/Normal. Allows certain operating systems to decrease the
processors power consumption when the processor is idle. Default is extended.
●
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.
SATA Power Management – Enables or disables SATA bus and/or device power management. 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 0.5 Watt power usage. Default is disabled.
S5 Make on LAN – Enables or disables S5 Wake on LAN. Default is Disabled.
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.
CPU Fan Speed – Shows current processor fan speed.
Shift and select Restart to access the screen that lets you boot to a