• Keep the device from others’ reach to prevent possible damages.
Technical rules
This topic provides technical rules for the server.
•
“Memory module installation rules and order” on page 59
• “PCIe slots and PCIe adapters” on page 64
• “Thermal rules” on page 69
Memory module installation rules and order
Memory modules must be installed in a specific order based on the memory configuration that you
implement and the number of processors and memory modules installed in the server.
Your server has 32 memory slots with 16 channels. For a list of supported memory options, see:
https://serverproven.lenovo.com
Information about optimizing memory performance and configuring memory is available at the Lenovo Press
website:
https://lenovopress.com/servers/options/memory
In addition, you can take advantage of a memory configurator, which is available at the following site:
https://dcsc.lenovo.com/#/memory_configuration
Memory modules and processors layout
The memory-channel configuration table below shows the relationship between the processors, memory
controllers, memory channels, and memory module slot numbers.
Figure 20. Memory modules and processors layout
Table 24. Memory slot and channel identification
Processor CPU 1
Controller iMC3 iMC2 iMC0 iMC1
Channel CH1 CH0 CH1 CH0 CH0 CH1 CH0 CH1
Slot No. 0 1 0 1 0 1 0 1 1 0 1 0 1 0 1 0
DIMM No. 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
Processor CPU 2
Chapter 5. Hardware replacement procedures 59
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