Intel® Server Board S1200BT Service Guide 37
2. Effective Memory
Option Values:<Total Effective Memory>
Help Text:<None>
Comments:Information only. Displays the amount of memory available to the OS 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 the memory discovery phase in order to optimize
memory configuration.
Note: Some server operating systems do not display the total physical memory installed.
3. Current Configuration
Option Values:Single Channel
Dual Channel Symmetric
Intel
®
Flex
Help Text:<None>
Comments: Displays one of the following:
— Single Channel – DIMMs are operating in Single Channel mode. This is the
configuration when only one channel is populated with DIMMs.
— Dual Channel Symmetric – DIMMs are operating in Dual Channel Symmetric
mode. This is the configuration when both channels are identically populated
with DIMMs.
— Intel
®
Flex – DIMMs are configured according to Intel
®
Flex Memory
Technology, where part of the memory is in Dual Channel Symmetric mode and
part in Dual Channel Asymmetric mode. This is the configuration when both
channels are populated, but with unequal amounts of memory.
4. Current Memory Speed
Option Values:<Operational Memory Speed in MT/s>
Help Text:<None>
Comments:Information only. Displays the speed in MT/s at which the memory is
currently running.
For Intel
®
Xeon Processor E3-1200 Processors – supports memory speeds are 1066 MT/s
and 1333 MT/s.
For Intel
®
Xeon Processor E3-1200 V2 Processors – supports memory speeds are 1333
MT/s and 1600 MT/s.
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