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Processor
Configuration
Mirroring population order
Single rank sparing population order A{1}, B{1}, A{2}, B{2}, A{3},
Multi rank sparing population order
Removing a memory module
Prerequisites
1. Follow the safety guidelines listed in
2. Power off the system and all attached peripherals.
3. Disconnect the system from the electrical outlet, and disconnect the peripherals.
4.
Open the drive
bays, remove
5. Remove the
power supply
6. Remove the system from the rack and place it on an ESD work bench. For more information, see the Rail Installation Guide at
www.dell.com/xcseriesmanuals
7.
Remove the system
cover.
8.
Remove the air
shroud.
Locate the appropriate memory module socket.
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.
Steps
1. Push the ejectors outward on both ends of the memory module socket to release the memory module from the socket.
2. Lift and remove the memory module from the system.
CAUTION:
Handle memory modules only by the card edges, ensuring not to touch the middle of the memory module
or metallic contacts.
NOTE:
If you are removing the memory module permanently, install a memory module blank. The procedure to install
a memory module blank is similar to that of the memory module.
Safety
Instructions.
all
drives, and then
close the drive
units.
.
Memory population
A{1, 2, 3, 4, 5, 6}, B{1, 2, 3, 4, 5,
6}
B{3}...
A{1}, B{1}, A{2}, B{2}, A{3},
B{3}...
bays.
Installing and removing system components
Memory population information
identically with identical
DIMMs for best
performance.
•
Optimizer population order is not
traditional for 8 and 14 DIMM
installations of dual processor.
•
For 8 DIMMs: A1, A2, A4, A5,
B1, B2, B4, B5
•
For 14 DIMMs: A1, A2, A4, A5,
A7, A8, A9, A10, B1, B2, B3,
B4, B5, B6
Mirroring is supported with 6 DIMM
slots 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.
77
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