ASRock 775Dual-VSTA User Manual - Page 34

REF to ACT / REF to REF Trfc

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Active to Precharge (Tras) Use this option to select Active to Precharge (Tras). Configuration options: [Auto], [5T], [6T], [7T], [8T], [9T], [10T], [11T], [12T], [13T], [14T], [15T], [16T], [17T], [18T], [19T] and [20T]. The default value is set to [Auto] to set the timing by dram SPD. Active to CMD (Trcd) Use this option to select Active to CMD (Trcd). Configuration options: [Auto], [2T], [3T], [4T], and [5T]. The default value is set to [Auto] to set the timing by dram SPD. REF to ACT / REF to REF (Trfc) Use this option to select REF to ACT / REF to REF (Trfc). Configuration options: [Auto], [8T] to [71T]. The default value is set to [Auto] to set the timing by dram SPD. ACT(0) to ACT (1) (Trrd) Use this option to select ACT(0) to ACT (1) (Trrd). Configuration options: [Auto], [2T], [3T], [4T], and [5T]. The default value is set to [Auto] to set the timing by dram SPD. Read to Precharge (Trtp) Use this option to select Read to Precharge (Trtp). Configuration options: [Auto], [2T], [3T]. The default value is set to [Auto] to set the timing by dram SPD. Write to Read CMD (Twtr) Use this option to select Write to Read CMD (Twtr). Configuration options: [Auto], [1T], [2T] for DDRI; [Auto], [2T], [3T] for DDRII. The default value is set to [Auto] to set the timing by dram SPD. Write Recovery Time (Twr) Use this option to select Write Recovery Time (Twr). Configuration options: [Auto], [2T], [3T], [4T], and [5T]. The default value is set to [Auto] to set the timing by dram SPD. DRAM Bus Selection The default value is [Auto], which will automatically select the proper access mode for the system. You may select between [Single Channel] and [Dual Channel] if you have properly set the dual channel memory configuration. DRAM Command Rate Use this to select among [2T Command] and [1T Command] for DRAM Command Rate. The default value is [2T Command]. DRAM Voltage Use this to select among [Auto], [High], [Normal] and [Low] for DRAM Voltage. The default value is [Auto]. 34

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Active to Precharge (Tras)
Use this option to select Active to Precharge (Tras). Configuration options:
[Auto], [5T], [6T], [7T], [8T], [9T], [10T], [11T], [12T], [13T], [14T], [15T], [16T],
[17T], [18T], [19T] and [20T]. The default value is set to [Auto] to set the
timing by dram SPD.
Active to CMD (Trcd)
Use this option to select Active to CMD (Trcd). Configuration options: [Auto],
[2T], [3T], [4T], and [5T]. The default value is set to [Auto] to set the timing by
dram SPD.
REF to ACT / REF to REF (Trfc)
Use this option to select REF to ACT / REF to REF (Trfc). Configuration
options: [Auto], [8T] to [71T]. The default value is set to [Auto] to set the
timing by dram SPD.
ACT(0) to ACT (1) (Trrd)
Use this option to select ACT(0) to ACT (1) (Trrd). Configuration options:
[Auto], [2T], [3T], [4T], and [5T]. The default value is set to [Auto] to set the
timing by dram SPD.
Read to Precharge (Trtp)
Use this option to select Read to Precharge (Trtp). Configuration options:
[Auto], [2T], [3T]. The default value is set to [Auto] to set the timing by dram
SPD.
Write to Read CMD (Twtr)
Use this option to select Write to Read CMD (Twtr). Configuration options:
[Auto], [1T], [2T] for DDRI; [Auto], [2T], [3T] for DDRII. The default value is set
to [Auto] to set the timing by dram SPD.
Write Recovery Time (Twr)
Use this option to select Write Recovery Time (Twr). Configuration options:
[Auto], [2T], [3T], [4T], and [5T]. The default value is set to [Auto] to set the
timing by dram SPD.
DRAM Bus Selection
The default value is [Auto], which will automatically select the proper ac-
cess mode for the system. You may select between [Single Channel] and
[Dual Channel] if you have properly set the dual channel memory
configuration.
DRAM Command Rate
Use this to select among [2T Command] and [1T Command] for DRAM
Command Rate. The default value is [2T Command].
DRAM Voltage
Use this to select among [Auto], [High], [Normal] and [Low] for DRAM Voltage.
The default value is [Auto].