Dell Vostro 3490 Service Manual

Security

Table 1. SecurityThe following table describes the information about the computer’s security:
Option Description
Admin PasswordAllows you to set, change, and delete the admin password.
System PasswordAllows you to set, change, and delete the system password.
Strong Password This option lets you enable or disable strong passwords for the system.
Password Configuration Allows you to control the minimum and maximum number of characters allowed for a administrative password and the system password. The range of characters is between 4 and 32.
Password Bypass This option lets you 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 enabled 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 This option lets you 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 Determines whether changes to the setup option are permitted when an administrator password is set.
UEFI Capsule Firmware Updates This option controls whether this system allows BIOS updates via UEFI capsule update packages. This option is selected by default. Disabling this option will block BIOS updates from services such as Microsoft Windows Update and Linux Vendor Firmware Service (LVFS)
TPM 2.0 Security Allows you to control whether the Trusted Platform Module (TPM) is visible to the operating system.
  • TPM On (default)
  • Clear
  • PPI Bypass for Enable Commands
  • PPI Bypass for Disable Commands
  • PPI Bypass for Clear Commands
  • Attestation Enable (default)
  • Key Storage Enable (default)
  • SHA-256 (default)

Choose any one option:

  • Disabled
  • Enabled (default)
Computrace(R) This field lets you Activate or Disable the BIOS module interface of the optional Computrace Service from Absolute Software. Enables or disables the optional Computrace service designed for asset management.
  • Deactivate
  • Disable
  • Activate - This option is selected by default.
OROM Keyboard AccessThis option determines whether users are able to enter Option ROM configuration screen via hotkeys during boot.
  • Enabled (default)
  • Disabled
  • One Time Enable
Admin Setup LockoutAllows you to prevent users from entering Setup when Admin password is set. This option is not set by default.
Master Password Lockout Allows you to disable master password support Hard Disk passwords need to be cleared before the settings can be changed. This option is not set by default.
SMM Security Mitigation Allows you to enable or disable additional UEFI SMM Security Mitigation protections. This option is not set by default.

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