Системные блоки LENOVO ThinkSystem SR6502X 5220 (7X06QM0K00) - инструкция пользователя по применению, эксплуатации и установке на русском языке. Мы надеемся, она поможет вам решить возникшие у вас вопросы при эксплуатации техники.
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Configuration notes:
All DIMMs in the server operate at the same speed, which is determined as the lowest value of:
DIMM rated speed (2666 MHz or 2933 MHz).
Memory speed supported by the specific processor (2133 MHz, 2400 MHz, 2666 MHz, or 2933 MHz).
Memory speed for the selected quantity of DIMMs per channel:
One DIMM per channel (1 DPC): 2933 MHz.
Two DIMMs per channel (2 DPC)
Performance+ DIMMs: 2933 MHz.
Other supported DIMMs: 2666 MHz.
Note:
Maximum memory speed can be achieved when Max performance mode is enabled in UEFI.
Mixing different types of memory (RDIMMs and 3DS RDIMMs) is not supported.
All Performance+ DIMMs in the server must be of the same type, rank, and capacity (the same part number or
feature code) to operate at 2933 MHz in the configurations with two DIMMs per channel. Performance+ DIMMs
cannot be mixed with other DIMMs.
Mixing RDIMMs of different ranks (single- or dual-rank), DRAM chip types (x4 or x8), speeds (2666 MHz or 2933
MHz), and capacities (8 GB, 16 GB, 32 GB, or 64 GB) is supported in the independent channel mode (the default
operational mode) (excluding Performance+ RDIMMs).
Mixing 3DS RDIMMs of different speeds (2666 MHz or 2933 MHz) and capacities (64 GB or 128 GB) is supported in
the independent channel mode (excluding Performance+ 3DS RDIMMs).
The 128 GB Performance+ 2933 MHz 3DS RDIMMs (feature code B5N9) running at 2933 MHz with two DIMMs per
channel are supported at the ambient temperature of up to 30 °C (86 °F).
The maximum quantity of DIMMs supported is reduced by the quantity of DC Persistent Memory Modules used in
the configuration.
Server configurations with more than 1 TB of memory capacity per socket (including DCPMMs and RDIMMs or 3DS
RDIMMs) require processors that support up to 4.5 TB (L-suffix) per socket.
For server configurations with memory protection, the following rules apply:
Single Device Data Correction (SDDC) works only in the independent channel mode and supports only x4-
based memory DIMMs.
Adaptive Double Device Data Correction (ADDDC) works with x4-based memory DIMMs and requires two
DIMM ranks per channel, Intel Xeon Gold or Platinum processors, and the Closed Page memory access
mode.
If memory mirroring is used, then DIMMs must be installed in quantities of 2, 4, or 8 per processor for
mirroring across two memory channels, or in quantities of 3, 6, 9, or 12 per processor for mirroring across
three memory channels. Mixing two- and three-channel mirroring in the server is allowed (one processor
uses two-channel mirroring, and another processor uses three-channel mirroring). All DIMMs in the server
must be identical in type and size.
If memory rank sparing is used, then a minimum of two ranks must be installed per populated channel (a
least one dual-rank or quad-rank DIMM, or two single-rank DIMMs). In rank sparing mode, one rank in each
populated channel is reserved as spare memory for other ranks on the same channel. All DIMMs in the
server must be identical in type and size.
SDDC, memory mirroring, and memory rank sparing modes are mutually exclusive. Only one operational
memory mode can be enabled on the server.
In the configurations with DCPMMs, memory mirroring is supported only in the App Direct mode (other
DCPMM modes do not support memory mirroring) and applies only to the RDIMMs or 3DS RDIMMs
(DCPMMs are not mirrored). Memory sparing is not supported in the configurations with DCPMMs.
Lenovo ThinkSystem SR650 Server (Xeon SP Gen 2)
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Характеристики
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