Intel® Server Boards S5520HC, S5500HCV, and S5520HCT TPS BIOS Setup Utility
Revision 1.8
Intel order number E39529-013
83
Table 24. Setup Utility — Memory Configuration Screen Fields
Setup Item Options Help Text Comments
Total Memory
Information only. The amount of memory
available in the system in the form of
installed DDR3 DIMMs in units of MB or
GB.
Effective Memory
Information only. The amount of memory
available to the operating system in MB or
GB.
The Effective Memory is the difference
between Total Physical Memory and the
sum of all memory reserved for internal
usage, RAS redundancy and SMRAM.
This difference includes the sum of all
DDR3 DIMMs that failed Memory BIST
during POST, or were disabled by the
BIOS during memory discovery phase in
order to optimize memory configuration.
Current Configuration
Information only. Displays one of the
following:
– Independent Mode: System
memory is configured for optimal
performance and efficiency and no
RAS is enabled.
– Mirror Mode: System memory is
configured for maximum reliability in
the form of memory mirroring.
Current Memory
Speed
Information only. Displays the speed the
memory is running at.
Memory RAS and
Performance
Configuration
Configure memory RAS
(Reliability, Availability,
and Serviceability) and
view current memory
performance information
and settings.
Select to configure the memory RAS and
performance. This takes the user to a
different screen.
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 DDR3 DIMM
installed in this slot.
– Not Installed: There is no DDR3
DIMM installed in this slot.
– Disabled: The DDR3 DIMM installed
in this slot was disabled by the BIOS
to optimize memory configuration.
– Failed: The DDR3 DIMM installed in
this slot is faulty/malfunctioning.
Note: X denotes the Channel Identifier and
Y denote the DIMM Identifier within the
Channel.
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