Biostar B250ET2 User Manual page 29

Memory Profile
Select DIMM timing profile. The blow values start with the currently running values and don't
auto populate.
Options: Default profile (Default) / Custom profile / XMP profile 1
Note
» Support XMP only for Kabylake CPU. Max supports up to 2400MHz.
» The following items appear only when you set the Memory Profiles function to [Custom profile]
Memory Ratio
Automatic or the frequency will equal ratio times reference clock. Set to Auto to recalculate
memory timings listed below.
Options: Auto (Default) / DDR4 800MHz / DDR4 1066MHz / DDR4 1333MHz / DDR4 1600MHz /
DDR4 1866MHz / DDR4 2133MHz / DDR4 2400MHz
QCLK Odd Ratio
Adds 133 or 100 MHz to QCLK frequency, depending on RefClk.
Options: Disabled (Default) / Enabled
Memory Timing Configuration
tCL
This item allows you to select CAS Latency, 0: AUTO, max: 31
Options: Auto (Default)
tRCD/tRP
This item allows you to select RAS to CAS delay time and Row Prechrge delay time, 0: AUTO,
max: 63
Options: Auto (Default)
tRAS
This item allows you to select RAS Active Time, 0: AUTO, max: 64
Options: Auto (Default)
B250ET2
6. O.N.E Menu | 29