Specifications

QSSC-S4R Technical Product Specification BIOS User Interface
187
[Intra-Socket Mirroring] - IMC is
mirrored with the other IMC in the
same socket.”
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.”
17.2.3.3.3 Memory Riser Board Information Screens
The Memory Board Information screen allows you to view the status of each memory riser in the system.
When a DIMM fails during BIST (Early POST - MRC) all four DIMMs in the lock-step DDR3 Channel Pair will be
disabled. This is due to DDR3 Channel failure & lock-step.
Advanced
Memory Board Information
Board <X>
Board Status <Installed/Spare/Not Installed>
DIMM_1/B <Installed/Empty/Failed/Disabled/Spare>
DIMM_1/A <Installed/Empty/Failed/Disabled/Spare>
DIMM_2/B <Installed/Empty/Failed/Disabled/Spare>
DIMM_2/A <Installed/Empty/Failed/Disabled/Spare>
DIMM_1/D <Installed/Empty/Failed/Disabled/Spare>
DIMM_1/C <Installed/Empty/Failed/Disabled/Spare>
DIMM_2/D <Installed/Empty/Failed/Disabled/Spare>
DIMM_2/C <Installed/Empty/Failed/Disabled/Spare>
Figure 82. Setup Utility — Memory Riser Board Information Screens
Table 115. Setup Utility — Memory Board Information Screen Fields
Setup Item Options Help Text Comments
Board Status Note: X denotes the Board ID from A-H. Indicates the status of the board.
DIMM_ XY Displays the state of each DIMM socket present on the board. Each DIMM socket field
reflects one of the following possible states:
 Installed: There is a DDR3DIMM installed in this slot.
 Not Installed: There is no DDR3 DIMM installed in this slot.
 Disabled: The DDR3 DIMM installed in this slot has been disabled by the BIOS in order
to optimize memory configuration.
 Failed: The DDR3 DIMM installed in this slot is faulty / malfunctioning.