Chapter 4: AMI BIOS
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• tRFC
• tRRD
• tRTP
• tWR
• tWTR
• NMode
• VDD [mV]
Memory Prole
Use this feature to set Performance Memory Proles which may cause
impact on memory behavior. The options are Default Prole, Custom
prole, and XMP prole 1.
If Default Prole 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.
When the above is set to Custom prole, the following can be congured:
Memory Reference Clock
This option selects the Memory Clock ratio. The options are Auto,
133, and 100.
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 options
are Auto, DDR4-1067MHz, DDR4-1333MHz, DDR4-1600MHz, DDR4-
1867MHz, DDR4-2133MHz, DDR4-2400MHz, DDR4-2667MHz, DDR4-
2933MHz, DDR4-3200MHz, DDR4-3467MHz, DDR4-3733MHz, DDR4-
4000MHz, DDR4-4267MHz, DDR4-4533MHz, and DDR4-4800MHz.
Default speed is auto detected.
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