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Table 9. Memory population rules
Processor
Configuration
Single rank sparing population
order
Multi rank sparing population
order
Fault resilient population order
Dual processor (Start
Optimized (Independent
with processor1.
channel) population order
processor1 and
Mirroring population order
processor 2
population should
match)
Single rank sparing population
order
Multi rank spare population
order
Fault resilient population order
Removing a memory module
The procedure for removing a DIMM module and an NVDIMM-N module is identical.
Prerequisites
1. Follow the safety guidelines listed in
2. Follow the procedure listed in
CAUTION:
To prevent data loss and potential damage to your system, ensure that your system, LEDs on
system, LEDs on NVDIMM-N and LEDs on NVDIMM-N battery are turned off before removing the NVDIMM-N
battery.
3.
Remove the air
shroud.
WARNING:
Allow the memory modules to cool after you power off the system. Handle the memory modules by
the card edges and avoid touching the components or metallic contacts on the memory module.
CAUTION:
To ensure proper system cooling, memory module blanks must be installed in any memory socket that
is not occupied. Remove memory module blanks only if you intend to install memory modules in those sockets.
Steps
1. Locate the appropriate memory module socket.
CAUTION:
Handle each memory module only by the card edges, ensuring not to touch the middle of the
memory module or metallic contacts.
2. Push the ejectors outward on both ends of the memory module socket to release the memory module from the socket.
3. Lift and remove the memory module from the system.
Safety
instructions.
Before working inside your
Memory population
1, 2, 3, 4, 5, 6, 7, 8
1, 2, 3, 4, 5, 6, 7, 8
{1, 2, 3, 4, 5, 6}
A{1}, B{1}, A{2}, B{2}, A{4},
B{4}, A{5}, B{5}
A{1,2,3,4,5,6},
B{1,2,3,4,5,6}
A{1}, B{1}, A{2}, B{2}, A{3},
B{3}...
A{1}, B{1}, A{2}, B{2}, A{3},
B{3}...
A{1,2,3,4,5,6},
B{1,2,3,4,5,6}
system.
Installing and removing enclosure components
Memory population information
Populate in this order, odd amount
per processor allowed. Requires
two ranks or more per channel.
Populate in this order, odd amount
per processor allowed. Requires
three ranks or more per channel.
Supported with 6 DIMMs per
processor.
Odd amount of DIMMs per
processor allowed.
Mirroring is supported with 6
DIMMs per processor.
Populate in this order, odd amount
per processor allowed. Requires
two ranks or more per channel.
Populate in this order, odd amount
per processor allowed. Requires
three ranks or more per channel.
Supported with 6 DIMMs per
processor.
33
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