Lenovo Storage N3310, Руководство пользователя и руководство по техническому обслуживанию аппаратного обеспечения

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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 1 1 3 3 5 5 7 7 2 2 4 4 6 6 8 8
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 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.
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:
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Lenovo Storage N3310 User Guide and Hardware Maintenance Manual