IBM X3950 X5 Problem Determination And Service Manual page 148

132
IBM System x3850 X5 and x3950 X5 Types 7145, 7146, 7143, and 7191: Problem Determination and Service Guide
Table 17. 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 installation
sequence, follow the DIMM installation sequence in "Memory cards and
memory modules (DIMM)" on page 129 for each memory card. Install the
memory cards in the installation sequence shown in "Memory cards and
memory modules (DIMM)" on page 129.
Table 18. 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.
Table 19. High-performance memory-card installation sequence
DIMM pair installation
order
First
Second
Third
Fourth
Fifth
Sixth
Seventh
Eighth
Ninth
Tenth
Eleventh
Twelfth
Thirteenth
Fourteenth
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
Memory-card connector
number
1
7
3
5
2
8
4
6
1
7
3
5
2
8
Installed
microprocessors
1 and 4
Installed microprocessors
1 and 4
2 and 3
DIMM connector numbers
1 and 8
1 and 8
1 and 8
1 and 8
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