HP Z220 SFF, Z220 CMT, Z420, Z620, and Z820 Workstations Maintenance and Service Guide

Heading Option Description
CAUTION: Choosing Reset to Factory Settings may result in significant
data loss. The embedded security device is a critical component of many
security schemes. Erasing the security keys prevent access to data protected
by the Embedded Security Device.
●
OS Management of Embedded Security Device
1
(Disabled/Enabled)—Limits
operating system control of the Embedded Security Device.
●
Reset of Embedded Security Device through OS
1
(Enabled/Disabled)—Limits
the operating system ability to request a Reset to Factory Settings of the
Embedded Security Device.
NOTE: You must create a Setup Password to use this option.
◦
No PPI provisioning (Disabled/Enabled)—Allows the operating system
to provision the TPM without a Physical Presence Interface (PPI).
◦
Allow PPI policy to be changed by OS (Disabled/Enabled)—Allows the
operating system to change TPM PPI policies.
●
Trusted Execution Technology (Disabled/Enabled)—Turns Intel TXT on or off
(HP Z220).
●
Intel TXT (LT) Support (Disabled/Enabled)—Turns Intel TXT(LT) on or off
(HP Z420, HP Z620, HP Z820).
Drive Lock Security Lets you assign or modify a master password or user password for hard drives.
When enabled, this feature prompts the user to provide one of the DriveLock
passwords during POST. If the user does not successfully enter one of the
passwords, the hard drive remains inaccessible until one of the passwords is
successfully entered during a subsequent cold-boot sequence.
NOTE: This selection appears only when the system includes at least one drive
that supports the DriveLock feature.
Secure Boot
Configuration
●
Legacy Support—Enable/Disable
●
Secure Boot—Enable/Disable All option ROMs must support EFI.
●
Key Management
◦
Clear Secure Boot Keys—Clear/Don't Clear
◦
Key Ownership—HP Keys/Custom Keys
●
Fast Boot—Enable/Disable
Power OS Power
Management
Enables or disables:
●
Runtime Power Management
●
Idle Power Savings: Extended (default) or Normal; extended mode reduces
processor power consumption when the CPU is idle
●
ACPI S3 PS2 Mouse Wakeup
●
Unique Sleep State Blink Rates
●
Turbo Mode (Enabled/Disabled)—Allows Intel processers to SpeedStep. See
Device Options for the HP Z220.
●
PCIe Performance Mode (Disabled/Enabled)—Changing PCIe Performance
might change Runtime Power Management, Tubo Mode, and/or Idle Power
Savings settings. Not available on HP Z220.
Hardware Power
Management
Enables or disables:
●
SATA Power Management
●
S5 Maximum Power Savings
Computer Setup (F10) Utility 47