ASRock 990FX Extreme3 User Manual - Page 46
RAS to RAS Delay tRRD
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Power Down Enable Use this item to enable or disable DDR power down mode. Bank Interleaving Interleaving allows memory accesses to be spread out over banks on the same node, or accross nodes, decreasing access contention. Channel Interleaving It allows you to enable Channel Memory Interleaving. Configuration options: [Disabled], [Auto]. The default value is [Auto]. 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: 1T. Max: 2T. The default is [Auto]. RAS# Cycle Time (tRC) Use this item to change RAS# Cycle Time (tRC) Auto/Manual setting. 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 Cycle 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]. 46