ASROCK A75 Pro4 User Manual page 51

CPU Voltage
It allows you to adjust the value of CPU voltage. However, for safety and
system stability, it is not recommended to adjust the value of this item.
DRAM Configuration
DRAM Frequency
If [Auto] is selected, the motherboard will detect the memory module(s)
inserted and assigns appropriate frequency automatically.
DRAM Timing Control
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 op-
tions: [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].
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