Supermicro 8048B-TR4FT, User Manual

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7-15
Chapter 7: BIOS
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 and Yes.

Memory Confi guration
This section displays the following Integrated Memory Controller (IMC)
information.
DDR Speed
Use this feature to force a DDR3 memory module to run at a frequency other
than what is specifi ed in the specifi cation. The options are Auto , 1067, 1333,
1600, 1867, and 2133.
DDR Voltage Level
Select Force to 1.50V to force all DDR memory modules to operate at 1.50V.
Select Force to 1.35V to force all DDR memory modules to operate at 1.35V.
The options are Auto , Force to 1.50V, and Force to 1.35V.
Advanced Clk (Clock) Training
Select Enable for Advanced Clock Training support, which will allow the
memory command line to synchronize with the clock line to enhance memory
performance. The options are Enable and Disable.
Perbit (Per-bit) Deskew Training
Select Enable for Perbit Deskew Training support, 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.
ODT Timing Mode
Use this feature to set the ODT (On-Die Termination) Timing mode for the memory
controller to enhance memory performance. The options are Aggressive Timing
and Conservative Timing.
MxB Rank Sharing Mapping
Use this feature to select the address-mapping setting for memory-rank sharing
to enhance extended multimedia platform performance. he options are Maximum
Performance and Maximum Margin.