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2 Installing optional devices
DIMM pair
installation order
Fifth
Sixth
Seventh
Eighth
Ninth
Tenth
Eleventh
Twelfth
Thirteenth
Fourteenth
Fifteenth
Sixteenth
Seventeenth
Eighteenth
Nineteenth
Twentieth
Twenty-first
Twenty-second
Twenty-third
Twenty-fourth
Twenty-fifth
Twenty-sixth
Twenty-seventh
Twenty-eighth
Twenty-ninth
Thirtieth
Thirty-first
Thirty-second
To enable memory mirroring, you must install DIMMs in sets of four, one pair in each
memory card. All DIMMs in each set must be the same size and type. Memory cards 1 and 2
mirror each other, cards 3 and 4 mirror each other, memory cards 5 and 6 mirror each other,
and cards 7 and 8 mirror each other. Install DIMMs in the sequence shown in the following
table.
Table 7. Memory-card installation sequence for memory-mirroring configuration
DIMM quad
installation order
First
2-38
Memory-card
connector number
2
8
4
6
1
7
3
5
2
8
8
6
1
7
3
5
2
8
4
6
1
7
3
5
2
8
4
6
Memory card
1
2
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
Tecal RH5485 Server
Installation and User's Guide
DIMM connector
numbers
1 and 8
1 and 8
1 and 8
1 and 8
3 and 6
3 and 6
3 and 6
3 and 6
3 and 6
3 and 6
3 and 6
3 and 6
2 and 7
2 and 7
2 and 7
2 and 7
2 and 7
2 and 7
2 and 7
2 and 7
4 and 5
4 and 5
4 and 5
4 and 5
4 and 5
4 and 5
4 and 5
4 and 5
Connector numbers
1 and 8
1 and 8
Issue 02 (2011-05-25)
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