Memory Timing Configuration (Expert Mode) - Supermicro Supero C7Z97-M User Manual

Chapter 4: AMI BIOS
Memory Frequency
This option selects the type/speed of the memory installed. The
options are DDR3-1066MHz, DDR3-1333MHz, DDR3-1600MHz,
DDR3-1800MHz, DDR3-2000MHz, DDR-2200MHz, DDR-2400MHz,
and DDR-2600MHz. Default speed is auto detected.
Memory Voltage
This option selects the Memory Voltag The options are Auto, 1.45V,
1.50V, 1.55V, 1.60V, 1.65V, 1.70V, 1.75V, 1.80V, 1.85V, and 1.95V.

Memory Timing Configuration (Expert Mode)

CAS# Latency (tCL)
This option configures the Cas Latency Range. Enter a number
between 4-18. The default is 9.
Row Precharge Time (tRP)
This option selects the Ras Precharge Range. Enter a number be-
tween 1-38. The default is 11.
RAS# to CAS# Delay (tRCD)
This option configures the Row to Col Delay Range. Enter a number
between 1-38. The default is 11.
RAS# Active Time (tRAS)
This option selects the Ras Active Time. Enter a number between
1-586. The default is 28.
Command Rate (CR)
This option sets the delay between when a memory chip is selected
and when the first active command canbe issued.
Write Recovery Time (tWR)
This feature sets the amount of delay that must elapse after the
completion of a valid write operation,before an active bank can be
precharged
Row Refresh Cycle Time (tRFC)
This feature sets the number of clocks from a Refresh command until
the first Activate command to the same rank
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