Sample Memory Configurations; Removing Memory Modules - Dell PowerEdge T20 Owner's Manual

• Memory modules of different sizes can be mixed only if other memory population rules are followed.
For example, 2 GB and 4 GB memory modules can be mixed.
• If memory modules with different speeds are installed, they will operate at the speed of the slowest
installed memory module(s) or slower depending on system DIMM configuration.

Sample Memory Configurations

The following table shows sample memory configurations for a single processor configuration that
follow the appropriate memory guidelines stated in this section.
NOTE: 16 GB quad-rank RDIMMs are not supported.
NOTE: Minimum supported memory is 2 GB and maximum supported memory is 32 GB.
NOTE: 1R and 2R in the following tables indicate single- and dual-rank DIMMs respectively.
Table 11. Memory Configurations
System Capacity DIMM Size (in GB)
(in GB)
2 2
4 2
8 2
16 4
32 8

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 or metallic contacts 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. Lay the system on its side, on a flat and stable surface.
3. Open the system.
Number of DIMM Rank,
DIMMs Organization, and
Frequency
1 1R, x8, 1333 MT/s,1
1R, x8, 1600 MT/s
2 1R, x8, 1333 MT/s,
1R, x8, 1600 MT/s
4 1R, x8, 1333 MT/s,
1R, x8, 1600 MT/s
4 2R, x8, 1333 MT/s,
2R, x8, 1600 MT/s
4 2R, x4, 1333 MT/s,
2R, x4, 1600 MT/s
DIMM Slot
Population
1
1, 2
1, 2, 3, 4
1, 2, 3, 4
1, 2, 3, 4
47