ASROCK Z77 WS User Manual page 69

DRAM Configuration
DRAM tCL
Use this item to change CAS# Latency (tCL) Auto/Manual setting. The
default is [Auto].
DRAM tRCD
Use this item to change RAS# to CAS# Delay (tRCD) Auto/Manual setting.
The default is [Auto].
DRAM tRP
Use this item to change Row Precharge Time (tRP) Auto/Manual setting.
The default is [Auto].
DRAM tRAS
Use this item to change RAS# Active Time (tRAS) Auto/Manual setting.
The default is [Auto].
Command Rate (CR)
Use this item to change Command Rate (CR) Auto/Manual setting. The
default is [Auto].
DRAM tWR
Use this item to change Write Recovery Time (tWR) Auto/Manual setting.
The default is [Auto].
DRAM tRFC
Use this item to change Refresh Cyle Time (tRFC) Auto/Manual setting.
The default is [Auto].
DRAM tRRD
Use this item to change RAS to RAS Delay (tRRD) Auto/Manual setting.
The default is [Auto].
DRAM tWTR
Use this item to change Write to Read Delay (tWTR) Auto/Manual setting.
The default is [Auto].
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