BIOS Settings Glossary version 19

BIOS Settings Glossary BACK
V19 – November 2012 BACK
Memory Multiplier
Performance > Memory
Overrides > Performance
Memory Profiles
• Auto
• Multiplier:
DDRx-
Frequency
Auto: BIOS selects memory multiplier based on Host
Clock Frequency, multipliers supported by installed
processor, and memory frequencies supported by DIMM.
Multiplier: DDRx-Frequency: BIOS will use specified
memory multiplier. Memory will run at the frequency
shown if the accompanying multiplier is selected.
Memory Speed
Main
Information
only
Displays the current memory speed. Defined as current
host clock frequency x memory multiplier.
Memory Voltage
Performance > Memory
Overrides > Performance
Memory Profiles
Multiple voltage
values
Changing memory voltage may allow for overclocking
and/or improve memory compatibility.
Microcode Update
Revision
Main > System Identification
Information
Information
only
Displays the 32-bit processor microcode update revision
in hexadecimal.
Min Inverter Current
Limit (%)
Configuration > Video >
Advanced Flat Panel Display
Settings
Numeric
Sets the minimum PWM acceptable to drive the inverter
board, which serves as a lower boundary for the amount
of current powering the monitor’s backlight lamp.
Consult inverter board and monitor specifications for
proper value. Warning: Unsupported values may cause
hardware damage.
Minimum Duty
Cycle
Configuration > Fan Control &
Real-Time Monitoring
Numeric
Selects the minimum duty cycle that the fan will never go
below.
Minimum
Temperature (°C)
Configuration > Fan Control &
Real-Time Monitoring
Numeric
System Fan Speed will increase if processor temperature
exceeds this value.
Mode
Intel® ME > Intel® Active (or
Standard) Management
Technology Configuration >
View Provisioning Record
Information
only
Displays the provisioning mode: either TLS-PSK, TLS-
PKI, or Not Defined.
Mode
Configuration >On-Board
Devices > Parallel Port
• Output only
• Bi-directional
• EPP
• ECP
Allows you to select the mode for the parallel port. This
option is available only when the parallel port is enabled.
Output Only: operates in AT*-compatible mode.
Bi-directional: operates in PS/2-compatible mode.
EPP: Enhanced Parallel Port mode, a high-speed bi-
directional mode for non-printer peripherals.
ECP: Enhanced Capability Port mode, a high-speed bi-
directional mode for printers and scanners.
mSATA Port
Configuration > SATA Drives
Information
only
Displays the device identification string, capacity in
gigabytes, and negotiated speed (1.5 Gb/s, 3.0 Gb/s, or
6.0 Gb/s) for the device attached to the SATA port. If no
device is attached, the string [Not Installed] is displayed.
mSATA Port x Hot
Plug Capability
Configuration > SATA Drives
• Enable
• Disable
If enabled, SATA port will be reported as Hot Plug
capable.
Multiplier
Performance
Information
only
Displays the default, proposed and active memory
multiplier.
N
BIOS Setting
Appears on BIOS Screen…
Options
Description / Purpose
Native ACPI OS
PCIe Support
Power
• Enable
• Disable
Enable for power savings and performance
improvements. Note: not all PCIe devices are compatible
with this feature.