Dell OptiPlex 990 (Early 2011) - Manual (Page 65)

Security
• System Password Max
Password Bypass Allows you to bypass the System (Boot) Password and the
internal HDD password prompts during a system restart.
• Disabled — Always prompt for the system and internal
HDD password when they are set. This option is
disabled by default.
• Reboot Bypass — Bypass the password prompts on
Restarts (warm boots).
NOTE: The system will always prompt for the system and
internal HDD passwords when powered on from the off
state (a cold boot). Also, the system will always prompt for
passwords on any module bay HDDs that may be present.
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
65