Dell PowerEdge XE2420 EMC Installation and Service Manual - Page 106

Removing a memory module, Table 43. Optimized population rules for dual processor

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Table 43. Optimized population rules for dual processor Dual processor Processor 1 Processor 2 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 B1 B2 B3 B4 B5 B6 2 DIMM - - - - 4 DIMMs - - - - 6 DIMMs - - - 8 DIMMs - ✔ ✔ - (Exception from traditional rules) 10 DIMMs ✔ ✔ - 12 DIMMs ✔ ✔ ✔ (Recommended for best performance) 13 DIMMs ✔ ✔ ✔ 14 DIMMs ✔ ✔ ✔ (Exception from traditional rules) 15 DIMMs ✔ ✔ ✔ 16 DIMMs ✔ ✔ ✔ (Recommended for best performance) Removing a memory module Prerequisites 1. Follow the safety guidelines listed in the Safety instructions. 2. Follow the procedure listed in the Before working inside your system. 3. Remove the GPU riser 2. 4. Remove the GPU riser 1 or second drive bay assembly. 5. Remove the air shroud. WARNING: The memory modules are hot to touch for some time after the system has been powered off. Allow the memory modules to cool before handling them. Steps 1. Locate the appropriate memory module socket. 2. To release the memory module from the socket, simultaneously press the ejectors on both ends of the memory module socket to fully open. CAUTION: Handle each memory module only by the card edges, ensuring not to touch the middle of the memory module or metallic contacts. 3. Lift the memory module away from the system. 106 Installing and removing system components

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Table 43. Optimized population rules for dual processor
Dual processor
Processor 1
Processor 2
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
B1
B2
B3
B4
B5
B6
2 DIMM
✔
–
–
–
–
–
–
–
–
–
✔
–
–
–
–
–
4 DIMMs
✔
✔
–
–
–
–
–
–
–
–
✔
✔
–
–
–
–
6 DIMMs
✔
✔
✔
–
–
–
–
–
–
–
✔
✔
✔
–
–
–
8 DIMMs
(Exception from
traditional rules)
✔
✔
–
✔
✔
–
–
–
–
–
✔
✔
–
✔
✔
–
10 DIMMs
✔
✔
✔
✔
✔
–
–
–
–
–
✔
✔
✔
✔
✔
–
12 DIMMs
(Recommended
for best
performance)
✔
✔
✔
✔
✔
✔
–
–
–
–
✔
✔
✔
✔
✔
✔
13 DIMMs
✔
✔
✔
✔
✔
✔
✔
–
–
–
✔
✔
✔
✔
✔
✔
14 DIMMs
(Exception from
traditional rules)
✔
✔
–
✔
✔
–
✔
✔
✔
✔
✔
✔
✔
✔
✔
✔
15 DIMMs
✔
✔
✔
✔
✔
–
✔
✔
✔
✔
✔
✔
✔
✔
✔
✔
16 DIMMs
(Recommended
for best
performance)
✔
✔
✔
✔
✔
✔
✔
✔
✔
✔
✔
✔
✔
✔
✔
✔
Removing a memory module
Prerequisites
1.
Follow the safety guidelines listed in the
Safety instructions
.
2.
Follow the procedure listed in the
Before working inside your system
.
3.
Remove the GPU riser 2.
4.
Remove the
GPU riser 1
or
second drive bay assembly
.
5.
Remove the air shroud
.
WARNING:
The memory modules are hot to touch for some time after the system has been powered off. Allow
the memory modules to cool before handling them.
Steps
1.
Locate the appropriate memory module socket.
2.
To release the memory module from the socket, simultaneously press the ejectors on both ends of the memory module
socket to fully open.
CAUTION:
Handle each memory module only by the card edges, ensuring not to touch the middle of the
memory module or metallic contacts.
3.
Lift the memory module away from the system.
106
Installing and removing system components