Dell PowerEdge T420 Owner's Manual - Page 74

Removing Memory Modules, A1, A2, A3, A4, A5, A6, B1, B2

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System Capacity (in GB) 192 DIMM Size (in GB) 32 Number of DIMMs 6 Organization and Speed 4R x4, 1333 MT/s DIMM Slot Population A1, A2, A3, A4, A5, A6 Table 2. Memory Configurations - Two Processors System Capacity (in DIMM Size (in GB) GB) Number of DIMMs 4 2 2 8 2 4 12 2 6 24 4 6 48 8 6 96 16 6 128 16 8 160 16 10 192 16 12 256 32 8 384 32 12 Organization and Speed 1R x8, 1333 MT/s 1R x8, 1600 MT/s 1R x8, 1333 MT/s 1R x8, 1600 MT/s 1R x8, 1333 MT/s 1R x8, 1600 MT/s 2R x8, 1333 MT/s 2R x8, 1600 MT/s 2R x4, 1333 MT/s 2R x4, 1600 MT/s 2R x4, 1333 MT/s 2R x4, 1600 MT/s 2R x4, 1333 MT/s 2R x4, 1600 MT/s 2R x4, 1333 MT/s 2R x4, 1600 MT/s 2R x4, 1333 MT/s 2R x4, 1600 MT/s 4R x4, 1333 MT/s 4R x4, 1333 MT/s DIMM Slot Population A1, B1 A1, A2, B1, B2 A1, A2, A3, B1, B2, B3 A1, A2, A3, B1, B2, B3 A1, A2, A3, B1, B2, B3 A1, A2, A3, B1, B2, B3 A1, A2, A3, A4, B1, B2, B3, B4 A1, A2, A3, A4, A5, B1, B2, B3, B4, B5 A1, A2, A3, A4, A5, A6, B1, B2, B3, B4, B5, B6 A1, A2, A3, A4, B1, B2, B3, B4 A1, A2, A3, A4, A5, A6, B1, B2, B3, B4, B5, B6 Removing Memory Modules WARNING: The memory modules are hot to the touch for some time after the system has been powered down. Allow time for the memory modules to cool before handling them. Handle the memory modules by the card edges and avoid touching the components on the memory module. CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product. 1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet and peripherals. 2. If applicable, rotate the system feet inward and lay the system on its side on a flat, stable surface. NOTE: For systems installed with the wheel assembly, ensure that you lay the system on a sturdy, stable surface with the wheel assembly extending off the edge of the surface. 74

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System Capacity
(in GB)
DIMM Size (in
GB)
Number of
DIMMs
Organization and
Speed
DIMM Slot Population
192
32
6
4R x4, 1333 MT/s
A1, A2, A3, A4, A5, A6
Table 2. Memory Configurations — Two Processors
System Capacity (in
GB)
DIMM Size (in
GB)
Number of
DIMMs
Organization and
Speed
DIMM Slot Population
4
2
2
1R x8, 1333 MT/s
1R x8, 1600 MT/s
A1, B1
8
2
4
1R x8, 1333 MT/s
1R x8, 1600 MT/s
A1, A2, B1, B2
12
2
6
1R x8, 1333 MT/s
1R x8, 1600 MT/s
A1, A2, A3, B1, B2, B3
24
4
6
2R x8, 1333 MT/s
2R x8, 1600 MT/s
A1, A2, A3, B1, B2, B3
48
8
6
2R x4, 1333 MT/s
2R x4, 1600 MT/s
A1, A2, A3, B1, B2, B3
96
16
6
2R x4, 1333 MT/s
2R x4, 1600 MT/s
A1, A2, A3, B1, B2, B3
128
16
8
2R x4, 1333 MT/s
2R x4, 1600 MT/s
A1, A2, A3, A4, B1, B2, B3, B4
160
16
10
2R x4, 1333 MT/s
2R x4, 1600 MT/s
A1, A2, A3, A4, A5, B1, B2, B3,
B4, B5
192
16
12
2R x4, 1333 MT/s
2R x4, 1600 MT/s
A1, A2, A3, A4, A5, A6, B1, B2,
B3, B4, B5, B6
256
32
8
4R x4, 1333 MT/s
A1, A2, A3, A4, B1, B2, B3, B4
384
32
12
4R x4, 1333 MT/s
A1, A2, A3, A4, A5, A6, B1, B2,
B3, B4, B5, B6
Removing Memory Modules
WARNING: The memory modules are hot to the touch for some time after the system has been powered down.
Allow time for the memory modules to cool before handling them. Handle the memory modules by the card edges
and avoid touching the components on the memory module.
CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
1.
Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet and
peripherals.
2.
If applicable, rotate the system feet inward and lay the system on its side on a flat, stable surface.
NOTE:
For systems installed with the wheel assembly, ensure that you lay the system on a sturdy, stable surface
with the wheel assembly extending off the edge of the surface.
74