ASROCK H67M-GE/THW User Manual page 50

Write to Read Delay (tWTR)
Use this item to change Write to Read Delay (tWTR) Auto/Manual setting.
The default is [Auto].
Read to Precharge (tRTP)
Use this item to change Read to Precharge (tRTP) Auto/Manual setting.
The default is [Auto].
Four Activate Window (tFAW)
Use this item to change Four Activate Window (tFAW) Auto/Manual set-
ting. The default is [Auto].
Memory Power Down Mode
Use this item to adjust DDR power down mode. Configuration options:
[Auto], [Slow] and [Fast]. The default value is [Auto].
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