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Supermicro C7Z270-CG Motherboard User's Manual
*If Memory profile is set to Custom profile, the following four items are
available for configuration.
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 Override. The options are De-
fault, 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.
Maximum Memory Frequency
This option selects the type/speed of the memory installed. The options
are Auto, 1067, 1333, 1600, 1867, 2133, 2400, 2667, 2933, 3200,
3467, 3733, 4000, and 4133. All values are in MHz. Default speed is
auto detected.
Memory Scrambler
This feature enables or disables memory scrambler support for memory
error correction. The settings are Disabled and Enabled.
Force ColdReset
Use this feature when ColdBoot is required during MRC execution. The
settings are Enabled and Disabled.
Force Single Rank
When enabled, only Rank0 will be use in each DIMM. The settings are
Disabled and Enabled.
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