Lenovo 3719, 3821, 3822, 3823 manual Number of installed DIMMs Microprocessors Dimm connector

Models: 3719 3822 3823 3821

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Figure 2. Memory connectors associated with each microprocessor

CPU 1

CPU 2

The following table lists the installation sequence for installing DIMMs in memory-mirroring mode.

Table 13. Memory-mirroring mode DIMM population sequence

 

Number of installed

 

DIMMs

microprocessors

DIMM connector

 

 

 

First pair of DIMMs

1

3, 6

 

 

 

Second pair of DIMMs

1

2, 5

 

 

 

Third pair of DIMMs

1

1, 4

 

 

 

Fourth pair of DIMMs

2

14, 11

 

 

 

Fifth pair of DIMMs

2

13, 10

 

 

 

Sixth pair of DIMMs

2

12, 9

 

 

 

Note: DIMM connectors 7, 8, 15, and 16 are not used in memory-mirroring mode.

When you install or remove DIMMs, the server configuration information changes. When you restart the server, the system displays a message that indicates that the memory configuration has changed.

214ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Hardware Maintenance Manual

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Lenovo 3719, 3821, 3822, 3823 manual Number of installed DIMMs Microprocessors Dimm connector