HP EliteDesk 800 95W G4 Maintenance and Service Guide - Page 61
Computer Setup-Advanced for advanced users continued, Table 5-3
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Table 5-3 Computer Setup-Advanced (for advanced users) (continued) Option Heading Recovery from Network Allows network recovery as the primary source. Recover after Boot Failure Allows the system to initiate recovery after failing to find a valid boot source. Secure Boot Configuration Configure Legacy Support and Secure Boot 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. 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. ● Legacy Support Enable and Secure Boot Disable ● Legacy Support Disable and Secure Boot Enable ● Legacy Support Disable and Secure Boot Disable Default is 'Legacy Support Disable and Secure Boot Disable'. Secure Boot Key Management Lets you manage the custom key settings. Import Custom Secure Boot keys Default is disabled. Clear Secure Boot Keys Lets you delete any previously loaded custom boot keys. Clearing keys will disable secure boot. Default is disabled. Reset Secure Boot keys to factory defaults Default is disabled. Enable MS UEFI CA key Disabling this setting alters the Secure Boot key list to further restrict the allowed software components. Set this option to 'disable' to support Device Guard. System Options Turbo boost Intel Turbo Boost Technology (TBT) automatically allows processor cores to run faster than the base operating frequency if it is operating below power, current, and temperature specification limits. Default is enabled. Hyperthreading (enable/disable) Delivers two logical processors that can execute multiple tasks simultaneously using the shared hardware resources of a single processor core. Default is enabled. Multi-processor Use this option to disable multi-processor support under the operating system. 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. Computer Setup (F10) Utilities 53