ASRock H610M-ITX/ac User Manual - Page 56
DRAM Timing Configuration, DRAM Reference Clock
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GT Current Limit Configure the current limit of the GT slice. A lower limit can protect the CPU and save power, while a higher limit may improve performance. PSU Select Guide Adjust CPU Power Limit and ICCMAX settings to avoid system reboot when using low wattage power supplies. DRAM Configuration Memory Information Allows users to browse the serial presence detect (SPD) and Intel extreme memory profile (XMP) for DDR4 modules. DRAM Timing Configuration DRAM Reference Clock Select Auto for optimized settings. DRAM Frequency If [Auto] is selected, the motherboard will detect the memory module(s) inserted and assign the appropriate frequency automatically. DRAM Gear Mode High gear is good for high frequency. Primary Timing CAS# Latency (tCL) The time between sending a column address to the memory and the beginning of the data in response. RAS# to CAS# Delay (tRCD) RAS# to CAS# Delay : The number of clock cycles required between the opening of a row of memory and accessing columns within it. Row Precharge (tRP) Row Precharge: The number of clock cycles required between the issuing of the precharge command and opening the next row. 48 English