ASROCK P55 Extreme User Manual page 58

Configuration options: [Auto], [9] to [31].
DRAM tRFC
This controls the number of DRAM clocks for TRFC. Configuration options:
Configuration options: [Auto], [15] to [255].
DRAM tWR
This controls the number of DRAM clocks for TWR. Configuration options:
Configuration options: [Auto], [3] to [15].
DRAM tWTR
This controls the number of DRAM clocks for TWTR. Configuration options:
Configuration options: [Auto], [2] to [10].
DRAM tRRD
This controls the number of DRAM clocks for TRRD. Configuration options:
Configuration options: [Auto], [4] to [7].
DRAM tRTP
This controls the number of DRAM clocks for TRTP. Configuration options:
Configuration options: [Auto], [2] to [13].
DRAM tFAW
This controls the number of DRAM clocks for TFAW. Configuration options:
Configuration options: [Auto], [1] to [63].
DRAM Command Rate
Use this item to adjust DRAM Command Rate. Configuration
options : [1], [2] and [Auto].
DRAM Enhanced Training
Use this item to enable or disable DRAM Enhanced Training. Configuration
options : [Disabled], [Enabled] and [Auto].
ASRock VDrop Control
Use this to enable or disable ASRock VDrop control. Configuration options:
[With VDrop] and [Without VDrop]. The default value is [With VDrop].
CPU Voltage
Use this to select CPU Voltage. Configuration options: [Auto], [Manual] and
[Overdrive Offset]. The default value is [Auto].
DRAM Voltage
Use this to select DRAM Voltage. Configuration options: [Auto], [1.559V] to
[2.008V]. The default value is [Auto].
DRAM CTRL REF Voltage
Use this to select DRAM CTRL REF Voltage. Configuration options: [Auto],
[-0.063V] to [+0.080V]. The default value is [Auto].
DRAM DATA REF Voltage
Use this to select DRAM DATA REF Voltage. Configuration options: [Auto],
[-0.063V] to [+0.080V]. The default value is [Auto].
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