Dell OptiPlex 790 (Early 2011) - Manual (Page 59)

Security
Password Change Allows you to determine whether changes to the System and
Hard Disk passwords are permitted when an administrator
password is set.
Allow Non-Admin Password Changes — This option is
enabled by default.
Non-Admin Setup
Changes This option lets you determine whether changes to the setup
option are permitted when an administrator password is set.
Allow Wireless Switch Changes — This option is disabled by
default.
TPM Security This option lets you control whether the Trusted Platform
Module (TPM) in the system is enabled and visible to the
operating system.
TPM Security — This option is disabled by default.
NOTE: Activation, deactivation, and clear options are not
affected if you load the setup program's default values.
Changes to this option take effect immediately.
Computrace This field lets you Activate or Disable the BIOS module
interface of the optional Computrace Service from Absolute
Software.
• Deactivate — This option is disabled by default.
• Disable
• Activate
Chassis Intrusion Allows you to enable or disable the chassis intrusion feature.
You can set this option to:
• Clear Intrusion Warning — Enabled by default if chassis
intrusion is detected.
• Disable
• Enable
• On-Silent — Enabled by default if chassis intrusion is
detected.
CPU XD Support Allows you to enable or disable he execute disable mode of
the processor. This option is enabled by default.
OROM Keyboard
Access Allows you to determine whether you access the Option ROM
Configuration screens via hotkeys during boot. Specifically,
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