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Intel DG31GL - Desktop Board Essential Series Motherboard

Intel DG31GL - Desktop Board Essential Series Motherboard
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Intel Desktop Board DG31GL Product Guide
18
Security Passwords
The BIOS includes security features that restrict whether the BIOS Setup program can
be accessed and who can boot the computer. A supervisor password and a user
password can be set for the BIOS Setup and for booting the computer, with the
following restrictions:
The supervisor password gives unrestricted access to view and change all Setup
options. If only the supervisor password is set, pressing <Enter> at the password
prompt of Setup gives the user restricted access to Setup.
If both the supervisor and user passwords are set, you must enter either the
supervisor password or the user password to access Setup. Setup options are then
available for viewing and changing depending on whether the supervisor or user
password was entered.
Setting a user password restricts who can boot the computer. The password
prompt is displayed before the computer is booted. If only the supervisor
password is set, the computer boots without asking for a password. If both
passwords are set, you can enter either password to boot the computer.
Related Links:
For instructions on resetting the password, see
Clearing Passwords on page 46.
Hardware Monitoring and Fan Speed Control
The features of the hardware monitoring and fan speed control include:
Monitoring of power supply voltages to detect levels above and below acceptable
values
Fan speed controllers and sensors integrated into the legacy I/O controller
Thermal sensors in the processor, GMCH, and ICH7, plus an onboard remote
sensor
Thermally monitored closed-loop fan control, for all onboard fans, that can adjust
fan speed or switch the fans off as needed
Power Management
Power management is implemented at several levels, including:
Software support through the Advanced Configuration and Power Interface (ACPI)
Hardware support:
Power connectors
Fan headers
LAN wake capabilities
Instantly Available PC technology (Suspend to RAM)
+5 V standby power indicator LED
Wake from USB
Power Management Event signal (PME#) wakeup support
ENERGY STAR capable

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