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Memory Hot-Plug Feature 2 (Hot Add)
In Windows Server 2003 Enterprise Edition, you can use the Hot-Add memory feature. The Hot Add feature allows you
to add a physical memory without shutting down the system.
To use the Hot-Add memory feature, set the BIOS as follows:
Setting BIOS
Start SETUP and select [Advanced]
→
[Memory Configuration]
→
[Memory RAS Feature] in order and set as follows:
To enable the Hot-Add memory feature in normal mode: Select [Normal].
To enable the Hot-Add memory feature in mirroring mode: Select [Mirror].
NOTE:
Before selecting [Mirror], the mirroring configuration must have been set for
memory boards 1 and 2. In this case, the memory hot plug is used for memory boards 3 and
4. (Memory boards 3 and 4 must also be in mirroring configuration.)
In addition, be sure to specify [Advanced]
→
[ Memory Configuration]
→
[Hot-add
Memory Support] to "Enabled".
Hot-Add memory feature in normal mode
When the operating system starts with memory board 1 (factory-installed), installing memory boards on
which DIMMs are installed to memory board slots 2, 3, and 4 can increase the physical memory capacity. See
Memory Hot-Plug Feature 1 for memory board installing procedure.
For example, if you insert a memory board into memory board slot 2 and press the Attention switch of that
slot, the memory board Power lamp starts flashing and initialisation of memory is started.
When the memory board Power lamp stops flashing and goes on, the operating system is notified that the
memory has been added.
The notification is processed on the operating system. After a while, you can view the added physical memory
in performance monitor of task manager. Memory boards can be added to slots 3 and 4 in a similar procedure.
Hot-Add memory feature in mirroring mode
Add the memory boards 3 and 4 while the memory boards 1 and 2 are configured to use the mirroring feature.
In this case, memory boards 3 and 4 must be configured to use the mirroring feature. See Memory Hot-Plug
Feature 1 for memory board installing procedure.
the only difference with normal mode is that the memory board is added to slot 3, and there is no change in
system status. Adding a memory board to memory board slot 4 can make the memory mirroring configuration.
And it is notified to the operating system. After a while, you can view the added physical memory in
performance monitor of task manager.
You can confirm that a half of installed physical memory capacity is added. In memory mirroring
configuration, the memory board additionally installed by using the Hot-Add memory feature can be
hot-replaceable.
Indication on ESMPRO Data Viewer after Hot-Add Memory
If you add a memory board dynamically by using Hot-Add feature, the added memory size will not be
indicated on Data Viewer of ESMPRO Manager unless the system is rebooted.
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