BIOS Settings Glossary - Version 04

Intel® NUC BIOS Settings Glossary BACK
V04 – January 2015 BACK
Chassis Information
Home
Information
only
Displays SMBIOS information for:
• Manufacturer
• Version
• Serial Number
• Asset Tag
• SKU Number
Chipset SATA
Devices
Checkbox
Enables or disables the internal SATA controller.
Chipset SATA
Mode
Devices
• IDE
• AHCI
IDE: Compatibility mode disables AHCI support.
AHCI: Supports advanced SATA features such as Native
Command Queuing.
Warning: operating system may not boot if this setting is
changed after the operating system installation.
Clear BIOS
Passwords
Maintenance
Continue?
(Y/N)
When selected, the BIOS Supervisor Password and User
Password will be cleared. The hard disk drive password,
if set, will remain intact.
Clear Event Log
Main
Checkbox
Enable to clear the Event Log at next boot.
Clear Secure Boot
Data
Boot
Checkbox
Clears Secure Boot databases (Pkpub, KEK, db, and
dbx) during the next boot, placing the system in Custom
Mode.
Required to install a trusted operating system not
supported by the factory default Secure Boot database.
Clear Trusted
Platform Module
Maintenance
• No
• Yes
Erases all stored encryption keys and clears the TPM
owner. Used to clear the TPM if you are transferring
ownership of the platform to a new owner.
This BIOS setting is present only on systems that include
support for Trusted Platform Module (TPM) and have
TPM enabled.
Clear User
Password
Security
Continue?
(Y/N)
Clears the user password.
This BIOS setting is present only if a user password has
been set.
Clock PLL
Performance
• LC-PLL
• SB-PLL
Switching to SB-PLL may improve stability at high
processor base clock frequencies.
Color Depth
Devices
• 18-bpp
• 24-bpp
(VESA)
• 24-bpp
(JEIDA)
Sets flat panel display color depth in bits per pixel (bpp)
and data mapping.
Note: 24-bpp (VESA) is displayed as “24-bpp” if there is
no JEIDA support.
Command Rate
Performance
Numeric
2T is usually more stable.
Control Mode
Cooling
• Auto
• Manual
Select how the CPU fan is to be controlled.
Auto: sets a minimum duty cycle that the fan will never
go below.
Manual: specifies an exact duty cycle.
Control
Temperature (°C)
Cooling
Numeric
Defines temperature that the fan control subsystem
attempts to maintain for the processor, memory,
motherboard, or PCH.
CPU Core Temp
Cooling
Information
only
Displays the processor's core temperature.
CPU Fan
Cooling
Information
only
Displays the processor fan speed
CPU1 Input
Cooling
Information
only
Displays the voltage at or below which run-time
applications can generate an alert.