Supermicro SuperServer 6018R-WTR User Manual download pdf (Page 99)

Chapter 7: BIOS

7-11

QPI (Quick Path Interconnect) Link Speed Mode

Use this feature to select data transfer speed for QPI Link connections. The

options are Fast and Slow.

QPI Link Frequency Select

Use this feature to select the desired QPI frequency. The options are Auto, 6.4

GT/s, 7.2 GT/s, and 8.0 GT/s.



Memory Conﬁ guration

• Current Memory Mode: This item displays the current memory mode.

• Current Memory Speed: This item displays the current memory speed.

• Mirroring: This item displays if memory mirroring is supported by the

serverboard.

• Sparing: This item displays if memory sparing can be supported by the

serverboard.

DIMM Information

CPU Socket 1 DIMM Information/ CPU Socket 2 DIMM Information

The status of the memory modules detected by the BIOS will be displayed.

Memory Mode

When Independent is selected, all DIMMs are available to the operating system.

When Mirroring is selected, the serverboard maintains two identical copies of all

data in memory for data backup. When Lockstep is selected, the serverboard

uses two areas of memory to run the same set of operations in parallel. The

options are Independent, Mirroring, and Lockstep.

DRAM RAPL Mode

RAPL (Running Average Power Limit) provides mechanisms to enforce power

consumption limits on supported processors. The options are DRAM RAPL

MODE0 , DRAM RAPL MODE1, and Disabled.

DDR Speed

Use this feature to force a DDR4 memory module to run at a frequency other

than what is speciﬁ ed by the manufacturer. The options are Auto, Force DDR4-

800, Force DDR4-1066, Force DDR4-1333, Force DDR4-1600 and Force SPD.

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Supermicro SuperServer 6018R-WTR User Manual Page 99