BIOS Settings Glossary - Version 04

Intel® NUC BIOS Settings Glossary BACK
V04 – January 2015 BACK
T
BIOS Setting
Appears on BIOS Screen…
Options
Description / Purpose
tCL
Performance
Numeric
CAS Latency: # cycles between request for data and
data read.
tCWL
Performance
Numeric
CAS Write Latency
TDC Current Limit
Override (Amps)
Performance
Numeric
Intel Turbo Boost Technology will be disengaged if the
processor is operating beyond this current limit.
tFAW
Performance
Numeric
Four Active Window: period of time before the 5th
successive Active command to a new bank can be
issued.
Thunderbolt™
Controller
Devices
Checkbox
Enables or disables the onboard Thunderbolt™
Controller.
This BIOS setting is present only on systems that include
Thunderbolt.
Total Memory
Main
Information
only
Displays the total installed system memory size in
gigabytes.
tRASmin
Performance
Numeric
Minimum RAS Active Time: # cycles between precharge
and bank activation.
tRC
Performance
Numeric
Row Cycle Delay: minimum interval between successive
ACTIVE commands to the same bank
tRCD
Performance
Numeric
RAS-to-CAS Delay: # of cycles between activating and
read/write
tREFI
Performance
Numeric
Average Periodic Refresh Interval:
tRFC
Performance
Numeric
RAS Refresh: # cycles from refresh to activation of a row
tRP
Performance
Numeric
RAS Pre-Charge: # cycles between closing one row and
opening the next.
tRRD
Performance
Numeric
RAS to RAS Delay: # cycles to activate next bank in the
same rank
tRRDD
Performance
Numeric
Minimum time between Read-CAS to Read-CAS to
different DIMMs in DCLKs
tRRDR
Performance
Numeric
Minimum time between Read-CAS to Read-CAS to
different ranks on the same DIMMs in DCLKs
tRRSR
Performance
Numeric
Minimum time between Read-CAS to Read-CAS to
different banks on the same ranks in DCLKs
tRTP
Performance
Numeric
Read to Precharge Delay: # cycles between read and
precharge command to same rank
Trusted Platform
Module Presence
Devices
Checkbox
Controls the exposure of the onboard Trusted Platform
Module (TPM) device to the operating system.
Trusted Platform
Module
Devices
Checkbox
Enables or disables Trusted Platform Module (TPM).
This BIOS setting is present only on systems that include
support for Trusted Platform Module (TPM).
For information on TPM, refer to
http://en.wikipedia.org/wiki/Trusted_Platform_Module
tRWDD
Performance
Numeric
Minimum time between Read-CAS to Write-CAS to
different DIMMs in DCLKs
tRWDR
Performance
Numeric
Minimum time between Read-CAS to Write-CAS to
different ranks on the same DIMMs in DCLKs
tRWSR
Performance
Numeric
Minimum time between Read-CAS to Write-CAS to
different banks on the same ranks in DCLKs
tWR
Performance
Numeric
Write Recovery: # cycles between write and precharge.