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Chapter 11 Memory Board Replacement 11-9

FIGURE 11-5 shows the explanation of DIMM information.

FIGURE 11-5 Explanation of DIMM Information

11.2.2 Memory Installation Configuration Rules

You can mount up to 4 memory boards on the SPARC Enterprise M4000 server and

up to 8 memory boards on the SPARC Enterprise M5000 server. The DIMMs on the

memory board are grouped into group A and group B. (See

FIGURE 11-4).

Here are the DIMM mount conditions:

■ In each group, 4 DIMMs are mounted in a unit.

■ The size of the DIMMs in group A must be equal to or larger than the size of the

DIMMs in group B. You need not necessarily mount DIMMs in group B.

■ In each of the groups, mount the DIMM of same size and of same rank. The

DIMMs of different size cannot be mixed in a group.

■ To replace with the DIMMs of different size or different rank, you need to follow

the above conditions on every memory board in the same CMU.

Note – When you upgrade using larger size memory than the size of Group A, move

the memory mounted in Group A to Group B, and then mount the upgrade memory

to Group A.

MEM#0A Status:Normal;

+ Code:c1000000000000004572T128000HR3.7A 252b-04123520;

+ Type:1B; Size:1 GB;

Memory slot No.

DIMM size

1: 1 GB

2: 2 GB

4: 4 GB

DIMM rank

A: 1 rank

B: 2 rank

Fujitsu SPARC Enterprise M5000 User Manual

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