ASRock H61M-ITX User Manual - Page 36

RAS to RAS Delay tRRD

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DRAM Timing Control DRAM Frequency If [Auto] is selected, the motherboard will detect the memory module(s) inserted and assigns appropriate frequency automatically for better compatibility. If you want the max performance for DDR3 1333 memory module(s), please manually adjust it to 1333. CAS# Latency (tCL) Use this item to change CAS# Latency (tCL) Auto/Manual setting. The default is [Auto]. RAS# to CAS# Delay (tRCD) Use this item to change RAS# to CAS# Delay (tRCD) Auto/Manual setting. The default is [Auto]. Row Precharge Time (tRP) Use this item to change Row Precharge Time (tRP) Auto/Manual setting. The default is [Auto]. RAS# Active Time (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. Min: 1N. Max: 2N. The default is [Auto]. Write Recovery Time (tWR) Use this item to change Write Recovery Time (tWR) Auto/Manual setting. The default is [Auto]. Refresh Cyle Time (tRFC) Use this item to change Refresh Cyle Time (tRFC) Auto/Manual setting. The default is [Auto]. RAS to RAS Delay (tRRD) Use this item to change RAS to RAS Delay (tRRD) Auto/Manual setting. The default is [Auto]. 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]. 36

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36
DRAM Timing Control
DRAM Frequency
If [Auto]
is selected, the motherboard will detect the memory module(s) in-
serted and assigns appropriate frequency automatically for better compati-
bility. If you want the max performance for DDR3 1333 memory module(s),
please manually adjust it to 1333.
CAS# Latency (tCL)
Use this item to change CAS# Latency (tCL) Auto/Manual setting. The
default is [Auto].
RAS# to CAS# Delay (tRCD)
Use this item to change RAS# to CAS# Delay (tRCD) Auto/Manual setting.
The default is [Auto].
Row Precharge Time (tRP)
Use this item to change Row Precharge Time (tRP) Auto/Manual setting.
The default is [Auto].
RAS# Active Time (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. Min:
1N. Max: 2N. The default is [Auto].
Write Recovery Time (tWR)
Use this item to change Write Recovery Time (tWR) Auto/Manual setting.
The default is [Auto].
Refresh Cyle Time (tRFC)
Use this item to change Refresh Cyle Time (tRFC) Auto/Manual setting.
The default is [Auto].
RAS to RAS Delay (tRRD)
Use this item to change RAS to RAS Delay (tRRD) Auto/Manual setting.
The default is [Auto].
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].