Lenovo Storage N3310 (English) User Guide and Hardware Maintenance Manual - Le - Page 66

Installing a memory module, computer for reference.

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The following table explains the memory module installation order for storage products that have two microprocessors (CPU1 and CPU2) installed. Table 8. Memory module installation order in sparing mode for storage products with two microprocessors CPU1 DIMM CPU2 DIMM A1 A2 B1 B2 C1 C2 D1 D2 A1 A2 B1 B2 C1 C2 D1 D2 DIMM installation order 11 33557722446688 Memory module installation order in lockstep mode In lockstep mode, the RAS features are available. For more information about the RAS features, refer to the related section in "Features" on page 7. Notes: • All memory modules to be installed must be the same type with the same capacity, frequency, voltage, and number of ranks. • All memory modules must be installed in pairs. The following table explains the memory module installation order for storage products that have only one microprocessor (CPU1) installed. Table 9. Memory module installation order in lockstep mode for storage products with one microprocessor CPU1 DIMM A1 A2 B1 B2 C1 C2 D1 D2 DIMM installation order 1 3 1 3 2 4 2 4 The following table explains the memory module installation order for storage products that have two microprocessors (CPU1 and CPU2) installed. Table 10. Memory module installation order in lockstep mode for storage products with two microprocessors CPU1 DIMM CPU2 DIMM A1 A2 B1 B2 C1 C2 D1 D2 A1 A2 B1 B2 C1 C2 D1 D2 DIMM installation order 15 15373726264848 Installing a memory module Attention: Do not open your storage product or attempt any repair before reading and understanding "Safety information" on page iii and "Guidelines" on page 41. Before you begin, print all the related instructions or ensure that you can view the PDF version on another computer for reference. Notes: • To optimize system performance, ensure that you consider and follow the memory module installation rules when performing the operation. See "Memory module installation rules" on page 48. • Use any documentation that comes with the memory module and follow those instructions in addition to the instructions in this topic. To install a memory module, do the following: 52 Lenovo Storage N3310 User Guide and Hardware Maintenance Manual

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The following table explains the memory module installation order for storage products that have two
microprocessors (CPU1 and CPU2) installed.
Table8.Memorymoduleinstallationorderinsparingmodeforstorageproductswithtwomicroprocessors
CPU1 DIMM
CPU2 DIMM
A1 A2 B1 B2 C1 C2 D1 D2 A1 A2 B1 B2 C1 C2 D1 D2
DIMMinstallationorder
1
1
3
3
5
5
7
7
2
2
4
4
6
6
8
8
Memory module installation order in lockstep mode
Inlockstepmode,theRASfeaturesareavailable.FormoreinformationabouttheRASfeatures,refertothe
related section in “Features” on page 7.
Notes:
• All memory modules to be installed must be the same type with the same capacity, frequency, voltage,
and number of ranks.
• All memory modules must be installed in pairs.
The following table explains the memory module installation order for storage products that have only
one microprocessor (CPU1) installed.
Table9.Memorymoduleinstallationorderinlockstepmodeforstorageproductswithonemicroprocessor
CPU1 DIMM
A1
A2
B1
B2
C1
C2
D1
D2
DIMMinstallationorder
1
3
1
3
2
4
2
4
The following table explains the memory module installation order for storage products that have two
microprocessors (CPU1 and CPU2) installed.
Table10.Memorymoduleinstallationorderinlockstepmodeforstorageproductswithtwomicroprocessors
CPU1 DIMM
CPU2 DIMM
A1 A2 B1 B2 C1 C2 D1 D2 A1 A2 B1 B2 C1 C2 D1 D2
DIMMinstallationorder
1
5
1
5
3
7
3
7
2
6
2
6
4
8
4
8
Installing a memory module
Attention:
Do not open your storage product or attempt any repair before reading and understanding “Safety
information” on page iii and “Guidelines” on page 41.
Beforeyoubegin,printalltherelatedinstructionsorensurethatyoucanviewthePDFversiononanother
computer for reference.
Notes:
• To optimize system performance, ensure that you consider and follow the memory module installation
ruleswhenperformingtheoperation.See“Memorymoduleinstallationrules”onpage48.
• Use any documentation that comes with the memory module and follow those instructions in addition to
the instructions in this topic.
To install a memory module, do the following:
52
Lenovo Storage N3310 User Guide and Hardware Maintenance Manual