Asus M5A78LMUSB3 Computer Hardware User Manual


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2-12 Chapter 2: BIOS information
The following items only appear when you set Memory Clock Mode to [Manual].
Memory Clock Speed [400MHz]
Selects the memory clock frequency programming method.
Conguration options: [400MHz] [533MHz] [667MHz] [800MHz]
DRAM Timing Conguration
The conguration options for some of the following items vary depending on the DIMMs
you install on the motherboard.
DRAM CAS# Latency [Auto]
Conguration options: [Auto] [4 CLK] ~ [12 CLK]
DRAM RAS# to CAS# Delay [Auto]
Conguration options: [Auto] [5 CLK] ~ [12 CLK]
DRAM RAS# PRE Time [Auto]
Conguration options: [Auto] [5 CLK] ~ [12 CLK]
DRAM RAS# ACT Time [Auto]
Conguration options: [Auto] [15 CLK] ~ [30 CLK]
DRAM READ to PRE Time [Auto]
Conguration options: [Auto] [4 CLK] [5 CLK] [6 CLK] [7 CLK]
DRAM Row Cycle Time [Auto]
Conguration options: [Auto] [12 CLK] ~ [42 CLK]
DRAM WRITE Recovery Time [Auto]
Conguration options: [Auto] [5 CLK] [6 CLK] [7 CLK] [8 CLK] [10 CLK] [12 CLK]
DRAM RAS# to RAS# Delay [Auto]
Conguration options: [Auto] [4 CLK] [5 CLK] [6 CLK] [7 CLK]
DRAM READ to WRITE Delay [Auto]
Conguration options: [Auto] [3 CLK] ~ [17 CLK]
DRAM WRITE to READ Delay(DD) [Auto]
Conguration options: [Auto] [2 CLK] ~ [10 CLK]
DRAM WRITE to READ Delay(SD) [Auto]
Conguration options: [Auto] [4 CLK] [5 CLK] [6 CLK] [7 CLK]
DRAM WRITE to WRITE Timing [Auto]
Conguration options: [Auto] [2 CLK] ~ [10 CLK]
DRAM READ to READ Timing [Auto]
Conguration options: [Auto] [3 CLK] ~ [10 CLK]
DRAM REF Cycle Time [Auto]
Conguration options: [Auto] [90ns] [110ns] [160ns] [300ns] [350ns]
DRAM Refresh Rate [Auto]
Conguration options: [Auto] [Every 7.8ms] [Every 3.9ms]
DRAM Command Rate [Auto]
Conguration options: [Auto] [1T] [2T]
Memory Over Voltage [Auto]
Sets the memory over voltage. The values range from 1.3500V to 2.3000V with a 0.0100V
increment. Use the <+> / <-> keys to adjust the value.
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