HP EliteDesk 705 G2 Maintenance and Service Guide - Page 80

Computer Setup-Advanced for advanced users continued, Table 5-3

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Table 5-3 Computer Setup-Advanced (for advanced users) (continued) device on the list may be individually excluded from or included for consideration as a bootable operating system source. Specify the order of attached hard drives. The first hard drive in the order will have priority in the boot sequence and will be recognized as drive C (if any devices are attached). NOTE: To drag a device to a preferred place, press Enter. To remove the device from consideration as a bootable device, press F5. You can use F5 to disable individual boot items, as well as disable UEFI boot and/or legacy boot. NOTE: MS-DOS drive lettering assignments may not apply after a non-MS-DOS operating system has started. Shortcut to Temporarily Override Boot Order To boot one time from a device other than the default device specified in Boot Order, restart the computer and press Esc (to access the boot menu) and then F9 (Boot Order), or only F9 (skipping the boot menu) when the monitor light turns green. After POST is completed, a list of bootable devices is displayed. Use the arrow keys to select the preferred bootable device and press Enter. The computer then boots from the selected non-default device for this one time. Secure Boot Configuration Configure Legacy Support and Secure Boot Legacy Support - Lets you turn off all legacy support on the computer, including booting to DOS, running legacy graphics cards, booting to legacy devices, and so on. Secure Boot - Lets you make sure an operating system is legitimate before booting to it, making Windows resistant to malicious modification from preboot to full OS booting, preventing firmware attacks. UEFI and Windows Secure Boot only allow code signed by pre-approved digital certificates to run during the firmware and OS boot process. Default is 'Legacy Support Enable and Secure Boot Disable'. Secure Boot Key Management Lets you manage the custom key settings. Clear Secure Boot Keys Lets you delete any previously loaded custom boot keys. Clearing keys will disable secure boot. Default is disabled. Reset Security Boot keys to factory defaults Default is disabled. System Options Onboard RAID (enable/disable) Lets you enable onboard RAID. Default is disabled. Max SATA Speed (6.0 Gbps/3.0Gbps) Lets you set the maximum SATA drive speed to either 3.0 Gbps or 6.0 Gbps. The default is '6.0 Gbps'. USB 3.0 (XHCI) (enable/disable) Lets you enable the eXtensible Host Controller Interface (xHCI). If enabled, the USB 3.0 ports are routed to the xHCI controller before booting to OS. If disabled, the USB 3.0 ports are routed to the EHCI controller before booting to OS. The default is disabled. After Power Loss (off/on/previous state). Default is Power off. Setting this option to: ● Power off-causes the computer to remain powered off when power is restored. ● Power on-causes the computer to power on automatically as soon as power is restored. ● Previous state-causes the computer to power on automatically as soon as power is restored, if it was on when power was lost. SVM CPU VIrtualization (enable/disable) 70 Chapter 5 Computer Setup (F10) Utility

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Table 5-3
Computer Setup—Advanced (for advanced users) (continued)
device on the list may be individually excluded from or included for consideration as a bootable
operating system source.
Specify the order of attached hard drives. The
first
hard drive in the order will have priority in the
boot sequence and will be recognized as drive C (if any devices are attached).
NOTE:
To drag a device to a preferred place, press
Enter
. To remove the device from consideration as a
bootable device, press
F5
.
You can use
F5
to disable individual boot items, as well as disable UEFI boot and/or legacy boot.
NOTE:
MS-DOS drive lettering assignments may not apply after a non-MS-DOS operating system has
started.
Shortcut to Temporarily Override Boot Order
To boot
one time
from a device other than the default device
specified
in Boot Order, restart the computer
and press
Esc
(to access the boot menu) and then
F9
(Boot Order), or only
F9
(skipping the boot menu)
when the monitor light turns green. After POST is completed, a list of bootable devices is displayed. Use
the arrow keys to select the preferred bootable device and press
Enter
. The computer then boots from the
selected non-default device for this one time.
Secure Boot
Configuration
Configure
Legacy Support and Secure Boot
Legacy Support – Lets you turn
off
all legacy support on the computer, including booting to DOS, running
legacy graphics cards, booting to legacy devices, and so on.
Secure Boot – Lets you make sure an operating system is legitimate before booting to it, making Windows
resistant to malicious
modification
from preboot to full OS booting, preventing
firmware
attacks. UEFI and
Windows Secure Boot only allow code signed by pre-approved digital
certificates
to run during the
firmware
and OS boot process.
Default is ‘Legacy Support Enable and Secure Boot Disable’.
Secure Boot Key Management
Lets you manage the custom key settings.
Clear Secure Boot Keys
Lets you delete any previously loaded custom boot keys. Clearing keys will disable secure boot. Default is
disabled.
Reset Security Boot keys to factory defaults
Default is disabled.
System Options
Onboard RAID
(enable/disable)
Lets you enable onboard RAID. Default is disabled.
Max SATA Speed
(6.0 Gbps/3.0Gbps)
Lets you set the maximum SATA drive speed to either 3.0 Gbps or 6.0 Gbps. The default is ‘6.0 Gbps’.
USB 3.0 (XHCI)
(enable/disable)
Lets you enable the eXtensible Host Controller Interface (xHCI). If enabled, the USB 3.0 ports are routed to
the xHCI controller before booting to OS. If disabled, the USB 3.0 ports are routed to the EHCI controller
before booting to OS. The default is disabled.
After Power Loss
(off/on/previous
state). Default is Power
off.
Setting this option to:
●
Power
off—causes
the computer to remain powered
off
when power is restored.
●
Power on—causes the computer to power on automatically as soon as power is restored.
●
Previous state—causes the computer to power on automatically as soon as power is restored, if it
was on when power was lost.
SVM CPU VIrtualization
(enable/disable)
70
Chapter 5
Computer Setup (F10) Utility