Dell PowerEdge M640 EMC for VRTX enclosure Installation and Service Manual - Page 68

Removing a memory module

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Table 26. Memory population rules (continued) Processor Configuration Memory population Memory population information Mirror population order {1, 2, 3, 4, 5, 6} Mirroring is supported with 6 DIMMs per processor Single rank sparing population order 1, 2, 3, 4, 5, 6, 7, 8 Populate in this order, odd amount per processor allowed. Requires two ranks or more per channel. Multi rank sparing population order 1, 2, 3, 4, 5, 6, 7, 8 Populate in this order, odd amount per processor allowed. Requires three ranks or more per channel. Fault resilient population order {1, 2, 3, 4, 5, 6} Supported with 6 DIMMs per processor. Dual processor (Start with processor1. processor1 and processor 2 population should match) Optimized (Independent channel) population order Mirroring population order A{1}, B{1}, A{2}, B{2}, A{3}, B{3} Odd amount of DIMMs per processor ... allowed. A{1,2,3,4,5,6}, B{1,2,3,4,5,6} Mirroring is supported with 6 DIMMs per processor. Single rank sparing population order Multi rank spare population order Fault resilient population order A{1}, B{1}, A{2}, B{2}, A{3}, B{3} Populate in this order, odd amount ... per processor allowed. Requires two ranks or more per channel. A{1}, B{1}, A{2}, B{2}, A{3}, B{3} Populate in this order, odd amount ... per processor allowed. Requires three ranks or more per channel. A{1,2,3,4,5,6}, B{1,2,3,4,5,6} Supported with 6 DIMMs per processor. Removing a memory module Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 45. 2. Follow the procedure listed in Before working inside your system on page 45. 3. Remove the air shroud. 4. Remove the drive backplane. 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. 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. 68 Installing and removing system components

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Table 26. Memory population rules (continued)
Processor
Configuration
Memory population
Memory population information
Mirror population order
{1, 2, 3, 4, 5, 6}
Mirroring is supported with 6 DIMMs
per processor
Single rank sparing population
order
1, 2, 3, 4, 5, 6, 7, 8
Populate in this order, odd amount
per processor allowed. Requires two
ranks or more per channel.
Multi rank sparing population order
1, 2, 3, 4, 5, 6, 7, 8
Populate in this order, odd amount
per processor allowed. Requires three
ranks or more per channel.
Fault resilient population order
{1, 2, 3, 4, 5, 6}
Supported with 6 DIMMs per
processor.
Dual processor (Start
with processor1.
processor1 and
processor 2 population
should match)
Optimized (Independent channel)
population order
A{1}, B{1}, A{2}, B{2}, A{3}, B{3}
…
Odd amount of DIMMs per processor
allowed.
Mirroring population order
A{1,2,3,4,5,6},
B{1,2,3,4,5,6}
Mirroring is supported with 6 DIMMs
per processor.
Single rank sparing population
order
A{1}, B{1}, A{2}, B{2}, A{3}, B{3}
…
Populate in this order, odd amount
per processor allowed. Requires two
ranks or more per channel.
Multi rank spare population order
A{1}, B{1}, A{2}, B{2}, A{3}, B{3}
…
Populate in this order, odd amount
per processor allowed. Requires three
ranks or more per channel.
Fault resilient population order
A{1,2,3,4,5,6},
B{1,2,3,4,5,6}
Supported with 6 DIMMs per
processor.
Removing a memory module
Prerequisites
1.
Follow the safety guidelines listed in
Safety instructions
on page 45.
2.
Follow the procedure listed in
Before working inside your system
on page 45.
3.
Remove the air shroud.
4.
Remove the drive backplane.
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.
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.
68
Installing and removing system components