BIOS Settings Glossary - Version 04
Intel® NUC BIOS Settings Glossary BACK
V04 – January 2015 BACK
P
BIOS Setting
Appears on BIOS Screen…
Options
Description / Purpose
Package Power
Limit 1 (Sustained)
Power
Numeric range
0 - 30
Intel Turbo Boost Technology will control processor
power usage to the Sustained Mode Power Limit over a
moving average time window.
Package Power
Limit 2 (Burst
Mode)
Power
Numeric range
0 - 30
Intel Turbo Boost Technology will use this power limit for
a very short duration. After that, the Sustained Mode
Power Limit will be used.
Package Power
Time Window
Power
Numeric range
1 - 32
Intel Turbo Boost Technology will control processor
power usage to the Sustained Mode Power Limit over a
moving average time window.
Panel Power Cycle
Delay Time (ms)
Devices
Numeric
Specifies the delay for panel power cycling.
Panel Power-Down
Delay Time (ms)
Devices
Numeric
Specifies the delay for panel power-down.
Panel Power-On
Delay Time (ms)
Devices
Numeric
Specifies the delay from system power-on to panel
power-on.
PCH Temp
Cooling
Information
only
Displays the PCH temperature.
PCI Latency Timer
Devices
• 32
• 64
• 96
• 128
• 160
• 192
• 224
• 248
Sets PCI Latency Timer for Bus Mastering. Limits the
time in clock cycles that a PCI device can hold the PCI
bus. Only applies to conventional PCI devices.
PCIe ASPM
Support
Power
• Disabled
• Enabled
• PEG Only
Disabled: ASPM support is disabled for all PCIe devices.
Enabled: ASPM support is enabled for all PCIe devices.
PEG Only: ASPM is only enabled for devices installed in
PCI Express Graphics (PEG) slots.
PEG-DMI Ratio
Performance
5/5
PEG-DMI Ratio can be manually configured, but be
warned that PEG and DMI clocks are less tolerant of
overclocking than the Host Clock.
Performance
Memory Profiles
Performance
• Automatic
• Manual –
User Defined
Use default memory settings from DIMM SPD or
manually override memory settings.
Automatic: BIOS configures all memory parameters
automatically
Manual – User Defined: Allows user to have full control
over the memory parameters
Pins 13/14
Devices
• GPIO5/4
• I2C0_SCL /
I2C0_SDA
Pin function select for Custom Solutions header: Selects
between generic GPIO or I2C interface.
Pins 15/16
Devices
• GPIO7/6
• I2C1_SCL /
I2C1_SDA
Pin function select for Custom Solutions header: Selects
between generic GPIO or I2C interface.
Platform Key
(PKpub)
Boot
Information
only
Displays Installed or Not Installed based on the
presence of the UEFI PKpub variable.