Fujitsu PRIMERGY BX924 S3 Manual page 8

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Independent Channel Mode allows all channels to be populated in any order. No specific Memory RAS features are defined
Requires min 1 memory Module per CPU
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BIOS Setup factory preinstalled to this mode. One Rank is spare of other ranks on the same channel. Spare Rank is not shown in System Memory.
For effective capacity within a channel, please have a look below.
Supported for RDIMM / LRDIMM only.
1x per CPU Requires min 2x 1R/2R or 1x 4R modules per CPU
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BIOS Setup factory preinstalled for max. Performance, LV memory might be set to 1.5V operation. Four identical memory modules
will be equipped in one memory bank to achieve highest memory performance. All four modules are active and full capacity can be used.
Multiple of 4 identical modules to be configured per CPU
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BIOS Setup factory preinstalled to this mode. Four identical memory modules are always equipped in one memory bank to use the
Mirrored channel Mode. Only two modules contain active data, the remain two modules contain mirrored data
Supported for RDIMM / LRDIMM only.
Multiple of 4 identical modules to be configured per CPU
Unbuffered Memory (UDIMM) no SDDC (chipkill) support
- one DDR3 unbuffered ECC mem. Module, 1.35V
Choose up to 8 order codes per CPU
2GB (1x2GB) 1Rx8 L DDR3-1600 U ECC
4GB (1x4GB) 2Rx8 L DDR3-1600 U ECC
Registered Memory (RDIMM) no SDDC (chipkill) support
- one DDR3 registered ECC mem. Module, 1.35V
No mix with any other types of memory modules possible
Choose up to 12x for 1R/2R or 8x for 4R per CPU
For performance reasons, we do not recommend
8/12x per to configure more than 8 DIMMs per CPU
CPU, max. 4GB (1x4GB) 2Rx8 L DDR3-1600 R ECC
2/3 modules Registered Memory (RDIMM) with SDDC (chipkill) support
per channel - one DDR3 registered ECC mem. Module, 1.35V
1333MHz supported with up to 2DPC (8 modules/CPU)
Choose up to 12 order codes per CPU
4GB (1x4GB) 1Rx4 L DDR3-1333 R ECC
8GB (1x8GB) 2Rx4 L DDR3-1333 R ECC
2/3 modules Registered Memory (RDIMM) with SDDC (chipkill) support
per channel - one DDR3 registered ECC mem. Module, 1.35V
1600MHz supported with up to 2DPC (8 modules/CPU)
at 1.5V
Choose up to 12 order codes per CPU
4GB (1x4GB) 1Rx4 L DDR3-1600 R ECC
8GB (1x8GB) 2Rx4 L DDR3-1600 R ECC
16GB (1x16GB) 2Rx4 L DDR3-1600 R ECC
Load Reduced Memory (LRDIMM) with SDDC (chipkill) support
- one DDR3 load reduced ECC mem. Module, 1.35V
Choose up to 12 order codes per CPU
16GB (1x16GB) 4Rx4 L DDR3-1333 LR ECC
32GB (1x32GB) 4Rx4 L DDR3-1333 LR ECC
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Independent Mode
Rank Sparing Mode Installation
Performance Mode Installation
Mirrored Channel Mode Installation
Effective Memory capacity / Rank Sparing Mode, 1 Channel populated
UDIMM
2GB 1R 2GB
1DPC na na
2DPC na na
3DPC na na
Minimum one memory module or order code per CPU = first memory
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Fujitsu PRIMERGY Server
System configurator and order-information guide
PRIMERGY BX924 S3
RDIMM
2R 4GB 1R 8GB 2R 16GB
na na
4GB 12GB 24GB
8GB 20GB 40GB
Note 1.)
Max. DDR3 memory speed depends on the memory configuration
(No of mem modules per channe) as well as on the CPU type.
The memory channel with the lowest speed defines the speed
of all CPU channels in the system, also for the channels of the
second CPU if configured.
For real memory speed (depending on memory type / population),
please check the spreadsheet "Memory speed" below
new due to supply
new due to supply
Mix of memory modules is only possible within the same group
Status: 2013-12-30
LRDIMM
2R 16GB 4R 32GB 4R
na 12GB 24GB
28GB 56GB
40GB 80GB
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