Supermicro 2028UT-BC1NRT, User Manual, Page: 101 / 138

Chapter 7: AMI BIOS
7-23
MMIOL Resource Allocation Ratio
Use this feature to set the Memory-Mapped IO resource-allocation ratio (from
0-8). The default setting is
1 .
IIO UniPhy Disable
Select Yes to hide the entire UNIFY in L2 cache. The options are No , Yes, and
Yes w/Memory Hot Add.

Memory Configuration
This section displays the following Integrated Memory Controller (IMC)
information.
Promote Warnings
Select Enable to treat memory warnings as memory errors or memory faults for
system-level debugging. The options are
Enable and Disable.
DDR Speed
Use this feature to force a DDR3 memory module to run at a frequency other
than what is specified in the specification. The options are Auto , 1067, 1333,
1600, 1867, and 2133.
DDR Voltage Level
Select Auto for the BIOS to set the voltage settings for all DDR3 memory
modules. Select Force to 1.50V to force all DDR3 memory modules to operate
at 1.50V. The options are
Auto
and Force to 1.50V.
Advanced Clk (Clock) Training
Select Enable to support Advanced Clock Training, which will allow the memory
command line to be synchronized with the clock line to enhance memory
performance. The options are Enable and
Disable .
Perbit (Per-bit) Deskew Training
Select Enable to support Perbit Deskew Training, which will allow the memory
controller to include various adjustable delay circuits in both Read and Write
paths on a per-bit base for effective memory interface to maximize memory
performance. The options are
Disable and Enable.
0DT (On-Die Termination) Timing Mode
Use this feature to configure the timing mode setting for the ODT (On-
Die Termination) where the termination resistor for impedance matching in