BIOS Settings Glossary version 19

BIOS Settings Glossary BACK
V19 – November 2012 BACK
PCI Express Bus
Frequency
Performance > Bus Overrides
• 110MHz
• 109MHz
• 108MHz
• 107MHz
• 106MHz
• 105MHz
• 104MHz
• 103MHz
• 102MHz
• 101MHz
• Default
Sets PCI Express clock frequency. Legacy PCI clock
frequency is set to 1/3 of this.
PCI Latency Timer
Configuration > On-Board
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 Legacy PCI devices.
PCI/PCIe Slot
Information
Configuration > PCI/PCIe Add-
In Slots
Information
only
For each slot on the motherboard, a line is displayed that
lists:
• Slot Number (must match board silkscreen)
• Slot Type (PCI or PCIe)
• PCIe Slot Electrical Width
• PCIe Slot Negotiated Width
• Data Transfer Speed
PCIe ASPM L0s
Power
• Enable
• Disable
PCIe Active State Power Management: L0 places a
single direction of the PCI Express Link into a low power
state.
PCIe ASPM L1
Power
• Enable
• Disable
PCIe Active State Power Management: L1 places both
directions of the PCI Express Link into a low power state.
PCIe ASPM
Support
Power
• Disable
• Enable
• PEG Only
Disable: ASPM support is disabled for all PCIe devices.
Enable: ASPM support is enabled for all PCIe devices.
PEG Only: ASPM is only enabled for devices installed in
PCI Express Graphics (PEG) slots.
Performance
Memory Profiles
Performance > Memory
Overrides
• Automatic
• Manual –
User Defined
• Profile x:
XMP-
Frequency
Use default memory settings from DIMM SPD, manually
override memory settings or select an XMP profile.
Automatic: BIOS configures all memory parameters
automatically
Manual – User Defined: Allows user to have full control
over the memory parameters
Profile x: XMP-Frequency: BIOS configures memory
parameters according to selected XMP profile
Periodic Update
Interval
Intel® ME > Intel® Active (or
Standard) Management
Technology Configuration >
Local Setup and Configuration
Numeric
When Dynamic DNS Update is enabled, this sets the
interval at which DDNS (Dynamic DNS) updates will be
sent