IBM System x3850 X5 Installation And User Manual page 80
Types 7145, 7146, 7143, and 7191
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v In a low-cost and low-power DIMM installation, install the DIMMs on each
66
IBM System x3850 X5 and x3950 X5 Types 7145, 7146, 7143, and 7191: Installation and User's Guide
memory card in the order shown in the following tables. The goal in a low-cost
and low-power configuration is to completely fill each memory card before you
install the next memory card.
Table 6. Low-cost and low-power DIMM installation sequence
DIMM pair
Memory-card
installation order
connector number
First
1
Second
7
Third
1
Fourth
7
Fifth
1
Sixth
7
Seventh
1
Eighth
7
If you plan to install additional memory cards in the low-cost and low-power
installation sequence, follow the DIMM installation sequence in Table 6 for each
memory card. Install the memory cards in the installation sequence shown in
Table 7.
Table 7. Low-cost and low-power memory-card installation sequence
Memory card pairs
First
Second
Third
Fourth
In a high-performance DIMM installation, install the DIMMs on each memory
card in the order shown in the following table. You must install at least one pair
of DIMMs on each memory card.
DIMM-connector
numbers
1 and 8
1 and 8
3 and 6
3 and 6
2 and 7
2 and 7
4 and 5
4 and 5
Memory-card connector
number
1 and 7
2 and 8
3 and 5
4 and 6
DIMM 1
DIMM 2
DIMM 3
DIMM 4
DIMM 5
DIMM 6
DIMM 7
DIMM 8
Installed
microprocessors
1 and 4
Installed microprocessors
1 and 4
2 and 3
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