BIOS Settings Glossary version 19

BIOS Settings Glossary BACK
V19 – November 2012 BACK
tRC
Performance > Memory
Overrides > Performance
Memory Profiles
+/- to change
value
Row Cycle Delay: minimum interval between successive
ACTIVE commands to the same bank
tRCD
Performance > Memory
Overrides > Performance
Memory Profiles
+/- to change
value
RAS-to-CAS Delay: # of cycles between activating and
read/write
tRFC
Performance > Memory
Overrides > Performance
Memory Profiles
+/- to change
value
RAS Refresh: # cycles from refresh to activation of a row
tRP
Performance > Memory
Overrides > Performance
Memory Profiles
+/- to change
value
RAS Pre-Charge: # cycles between closing one row and
opening the next.
tRRD
Performance > Memory
Overrides > Performance
Memory Profiles
+/- to change
value
RAS to RAS Delay: # cycles to activate next bank in the
same rank
tRTP
Performance > Memory
Overrides > Performance
Memory Profiles
+/- to change
value
Read to Precharge Delay: # cycles between read and
precharge command to same rank
Trusted Platform
Module
Configuration > On-Board
Devices
• Enable
• Disable
Enables or disables Trusted Platform Module (TPM).
This BIOS setting is present only on Intel® Desktop
Boards that include support for Trusted Platform Module
(TPM).
For information on TPM, refer to
http://en.wikipedia.org/wiki/Trusted_Platform_Module
Trusted Platform
Module Presence
Configuration > On-Board
Devices
• Enable
• Disable
Controls the exposure of the onboard Trusted Platform
Module (TPM) device to the operating system.
tWR
Performance > Memory
Overrides > Performance
Memory Profiles
+/- to change
value
Write Recovery: # cycle between write and precharge
tWTR
Performance > Memory
Overrides > Performance
Memory Profiles
+/- to change
value
Write to Read: # cycles between write and next read
commands; related to tCL
U
BIOS Setting
Appears on BIOS Screen…
Options
Description / Purpose
UEFI Boot
Boot
• Enable
• Disable
Enables or disables Unified Extended Firmware Interface
(UEFI) Boot. UEFI Boot must be enabled in order to boot
to a drive larger than 2 TB (terabytes).
Enable: BIOS will attempt to boot via UEFI before using
the legacy boot sequence.
Disable: BIOS will use the legacy boot sequence.
For information on UEFI, refer to
http://www.uefi.org/home
Unattended BIOS
Configuration
Security
• Always
Prompt
• Lock
• Temporarily
Skip Prompt
• Never Prompt
Configuring the BIOS via Intel® Integrator Toolkit
normally requires physical presence via a keyboard
response prompt. This prompt can be disabled
temporarily or permanently, or unattended BIOS
configuration can be locked out entirely.