Table 2. Dual-channel mode with single-rank and double-rank DIMMs (continued)
First pair Second pair Remarks
Single-rank Single-rank Single-rank Single-rank
Single-rank Single-rank Double-rank Double-rank This
configuration is
the second-best
choice.
Double-rank Double-rank Single-rank Single-rank This
configuration is
the best choice.
Double-rank Double-rank Double-rank Double-rank
The following table shows the sequence in which DIMMs must be installed in
the server.
Table 3. DIMM installation sequence
Number of DIMMs Installation sequence (connectors)
1 1
2 (interleaved configuration) 1, 3
3 The use of three DIMMs is not supported
4 (interleaved configuration) 1, 3, 2, 4
v The amount of usable memory will be 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 Configuration/Setup Utility program and select
System Summary from the menu. For additional information, see the User Guide
on the ThinkServer Documentation DVD.
v When you restart the server after you add or remove a DIMM, the server
displays a message that the memory configuration has changed.
14 ThinkServer TS100 Types 6431, 6432, 6433, 6434: Installation Guide