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Supermicro C7Z270-CG Motherboard User's Manual
Memory Profile
Use this feature to set Performance Memory Profiles which may cause
impact on memory behavior. The options are Default profile, Custom
profile, and XMP Profile 1.
If Default is selected, the installed memory will run at 2200MHz if the
detected memory is rated at 2400MHz or above, and run at 1867MHz if
the memory detected is rated at 1867MHz.
Memory Reference Clock
This option selects the Memory Clock ratio. The options are Auto, 133,
and 100. All values are in MHz.
QCLK Odd Ratio
This option enables or disables the quadrature clock odd ratio. The
options are Disabled and Enabled.
Memory Frequency
This option selects the type/speed of the memory installed. The op-
tions are Auto, DDR4-1067MHz, DDR4-1333MHz, DDR4-1600MHz,
DDR4-1867MHz, DDR4-2133MHz, DDR4-2400MHz, DDR4-2667MHz,
DDR4-2933, DDR4-3200MHz, DDR4-3467MHz, DDR4-3733MHz, DDR4-
4000MHz, DDR4-4267MHz, DDR4-4533MHz, and DDR4-4800MHz.
Default speed is auto detected.
Memory Voltage
This option selects the Memory Voltage The options are Default, 1.20V,
1.25V, 1.30V, 1.35V, 1.40V, 1.45V, 1.50V, 1.55V, 1.60V, 1.65V, 1.70V,
and 1.75V.
*If Memory profile is set to Custom profile, the following options
appear.
tCL
This option configures the Cas Latency Range. Enter a number
between 4-18. The default is 15.
tRCD/tRP
This option selects the Ras Precharge Range and Row to Col Delay
Range. Enter a number between 1-38. The default is 15.
4-24
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