HP Z Series Maintenance And Service Manual page 76

Table 6-3 Computer Setup Advanced (for advanced users) (continued)
Option
System Options
68 Chapter 6 Computer Setup (F10) Utility
Heading
Configure Storage Controller for VMD
Enables VMD RAID Controller. Default is enabled.
Turbo-boost (Intel products only)
Allows Intel Turbo Boost Technology to improve performance when operation conditions allow.
Default is enabled.
Hyperthreading (Intel products only)
Lets you control processor capability. Default is enabled.
Virtualization Technology (VTx) (Intel only)
Controls the virtualization features of the processor. Changing this setting requires turning the
computer off and then back on. Default is disabled.
Virtualization Technology for Directed I/O (VTd) (Intel only)
Controls virtualization DMA remapping features of the chipset. Changing this setting requires
turning the computer off and then back on. Default is disabled.
Allows for secure logon using the Windows Hello feature.
DMA Protection
Enables DMA redirection using IOMMU for enhanced security. Default is enabled.
NOTE: Requires that VTd is enabled.
Pre-boot DMA protection
Secures memory access through DMA to allowed regions prior to operating system startup.
Early PCIe Delay
Enables a configurable delay to add-in PCIe cards prior to PCIe training. Default is disabled.
Accelerate USB Enumeration
Lets you reduce the time of USB enumeration on specific USB devices. Default is disabled.
NVMe Write Endurance Masking
Causes the computer to not report errors during boot if NVMe write endurance is exceeded. Default
is disabled.
Reset Factory Defaults on Battery Loss
Lets you return settings to default values in the case of battery power loss. Default is Apply Default
Settings.
Power Button Override (disable/4 sec/15 sec/30 sec)
Lets you enable and select the number of seconds you have to hold down the power button for it to
force the system to turn off. Default is 4 sec.
USB Type-C Connector System Software Interface (UCSI) (select products only)
Allows UCSI to be exposed to the operating system (ACPI table).