NEC N8100-1668F, Руководство пользователя

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Upgrading Your Server 9-47
The memory mirroring feature can be used under the following conditions:

Install memory devices on two memory sockets configuring a mirror set.

All the installed memory devices should have the same capacity.

Run SETUP (see Chapter 4), change parameters appropriately in the [Mirror] menu
selected as shown below, save the settings and exit from SETUP.
[Advanced]
→ [Memory Configuration] → [Memory RAS Mode] → [Mirror]

After SETUP finishes, rerun SETUP and make sure that the installed DIMM status is
[Mirror].

Install memory devices in the following order.
The following mirroring cannot be configured:

Memory mirroring within a specific memory channel
Notes on Configuring Memory Mirroring
In memory mirroring configuration, [Memory RAS Mode] menu is changed from "Mirror" to
"Independent" in the following cases:

When you additionally install DIMMs that unable to configure memory mirroring

When you remove DIMMs that takes down the memory mirroring
1-CPU
configuration
REAR FRONT
(Not installed)
(Not installed)
1st pair
2nd pair
1st pair
2nd pair
In 2-CPU configuration, install memory devices to the CPU2 DIMM
slots in the same order as in 1-CPU configuration.