IBM 7145, Installation And User Manual

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Table 6. High-performance memory-card installation sequence (continued)
DIMM pair installation
order Memory-card connector
number
DIMM connector numbers
Twelfth 5 3 and 6
Thirteenth 2 3 and 6
Fourteenth 8 3 and 6
Fifteenth 8 3 and 6
Sixteenth 6 3 and 6
Seventeenth 1 2 and 7
Eighteenth 7 2 and 7
Nineteenth 3 2 and 7
Twentieth 5 2 and 7
Twenty-first 2 2 and 7
Twenty-second 8 2 and 7
Twenty-third 4 2 and 7
Twenty-fourth 6 2 and 7
Twenty-fifth 1 4 and 5
Twenty-sixth 7 4 and 5
Twenty-seventh 3 4 and 5
Twenty-eighth 5 4 and 5
Twenty-ninth 2 4 and 5
Thirtieth 8 4 and 5
Thirty-first 4 4 and 5
Thirty-second 6 4 and 5
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
Memory card Connector numbers
First 1 1 and 8
2 1 and 8
Second 7 1 and 8
8 1 and 8
Third 3 1 and 8
4 1 and 8
Fourth 5 1 and 8
6 1 and 8
Fifth 1 3 and 6
2 3 and 6
Chapter 2. Installing optional devices
61