Product guide

Using the BIOS and utilities QSSC-S4R Server System Product Guide
Version 1.0
134
failure.”
Mirroring Mode Inter-Socket
Mirroring
Intra-Socket Mirroring
“Mirroring is supported across
Integrated Memory Controllers where
one memory riser is mirrored with
another.
[Inter-Socket Mirroring] - IMC is
mirrored across two sockets.
[Intra-Socket Mirroring] - IMC is
mirrored with the other IMC in the
same socket.”
A
ppears when Mirroring is selected in
RAS configuration.
A
nd Hemisphere mode is disabled
Sparing Mode DIMM Sparing
Rank Sparing
Select Sparing Mode to use spare
Dimm or Rank within the Integrated
Memory Controller on a memory riser.
A
ppears when Sparing is selected in
RAS configuration.
NUMA Optimized Disabled
Enabled
If enabled, BIOS includes ACPI tables
that are required for NUMA aware
Operating Systems.
Memory Interleaving none
2 Way
4 Way
8 Way
Enable/Disable memory interleaving.
NUMA setting is required for Memory
RAS.
Memory Hot Plug Enabled
Disabled
Enable/Disable Memory Hot Plug
Memory Hot Plug
Base
A
uto
512G
1024G
Set memory hot plug mapping base in
system
Memory Hot Plug
Length
64G
128G
Set memory hot plug mapping length
for each board
SRAT Memory Hot
Plug
Disabled
Enabled
“Fix for OS that does not support
memory hot plug.
Ex: SuSE SLES10 SP2. Enable by
default.
Disable will clear all hot plug bits and
remove the hot plug entries in SRAT
table.”