Removing A Memory Module - Lenovo THINKSERVER RS210 Hardware Maintenance Manual

v The following table lists the supported RDIMM population.
Table 11. Supported RDIMM population per channel
DIMM connectors DIMMs installed in
per channel each channel
3 1
3 2
3 3
3 1
3 2
v The following table lists the maximum DIMM population using ranked RDIMMs.
Table 12. Maximum memory population using ranked RDIMMs (depending on your model)
Number of RDIMMs
6
6
6
4
4
6
4
v The following table shows the RDIMM memory population rule to optimize the system performance.
Table 13. RDIMM population rule for dual-channel symmetric mode
DIMM connector DIMM connector
1 2
Populated Empty
Populated Empty
Populated Populated
Populated Populated
Note: The amount of usable memory is reduced, depending on the system configuration. A certain
amount of memory must be reserved for system resources. To view the total amount of installed
memory and the amount of configured memory, run the Setup utility.

Removing a memory module

To remove a DIMM, complete the following steps:
1. Read the safety information in "Important Safety Information" on page 1 and "Guidelines for trained
service technicians" on page 115.
2. Turn off the server and peripheral devices and disconnect the power cords and all external cables, if
necessary.
3. Remove the cover (see "Removing and installing the cover" on page 119).
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ThinkServer ThinkServer RS210, Types 6531, 6532, 6533, and 6534: Hardware Maintenance Manual
DIMM type
Registered DDR3
ECC
Registered DDR3
ECC
Registered DDR3
ECC
Registered DDR3
ECC
Registered DDR3
ECC
DIMM type
Single-rank RDIMMs
Single-rank RDIMMs
Dual-rank RDIMMs
Dual-rank RDIMMs
Quad-rank RDIMMs
Dual-rank RDIMMs
Quad-rank RDIMMs
DIMM connector
3
Empty
Empty
Empty
Populated
DIMM speed
1066, 1333
1066, 1333
800
1066
800
Size
1 GB
2 GB
2 GB
4 GB
4 GB
4 GB
8 GB (when available)
DIMM connector DIMM connector
4 5
Empty Empty
Populated Empty
Populated Populated
Populated Populated
Ranks per DIMM
(any combination)
Single-rank,
dual-rank
Single-rank,
dual-rank
Single-rank,
dual-rank
Quad-rank
Quad-rank
Total memory
6 GB
12 GB
12 GB
16 GB
16 GB
24 GB
32 GB
DIMM connector
6
Empty
Empty
Empty
Populated