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When a recoverable error is found by memory scrubbing, the Memory ProteXion
feature writes the data that was to be stored in the damaged memory locations to
spare memory locations within the same DIMM.
Adding and replacing a memory card
At least one memory card with one pair of DIMMs must be installed for the server
to operate correctly.
Adding a memory card
Complete the following steps to add a memory card:
1. Read the safety information that begins on page v and “Installation guidelines”
on page 21.
2. Turn off the server and peripheral devices, and disconnect the power cords and
all external cables necessary to replace the device.
3. Remove the cover from the server (see “Removing the cover and bezel” on
page 23).
4. Prepare the memory card:
a. Touch the static-protective package that contains the memory card to any
unpainted surface on the outside of the server; then, remove the memory
card from the package.
b. Place the memory card on a flat, static-protected surface with the DIMM
connectors facing up.
c. Install DIMMs in the memory card (see “Installing DIMMs” on page 36).
5.
Add the memory card:
Attention: When moving the memory card, do not allow it to touch any
components or structures inside the server.
a. Grasp the memory card by the retention levers and turn the memory card so
that the connector aligns with the connector on the microprocessor board.
b. Insert the memory card into the memory card connector.
c. Press the memory card into the connector and close the retention levers.
If
you have other options to install or remove, do so now; otherwise, go to
“Completing the installation” on page 47.
Hot-replacing a memory card
To hot-replace a memory card, memory mirroring must be enabled. See “Active
Memory” on page 33 for information on how to enable memory mirroring.
Complete the following steps to hot-replace a memory card in the server:
1. Read the safety information that begins on page v and “Installation guidelines”
on page 21.
Attention: Static electricity that is released to internal server components
when the server is powered-on might cause the server to halt, which could
result in the loss of data. To avoid this potential problem, always use an
electrostatic-discharge wrist strap or other grounding system when working
inside the server with the power on.
2. Remove the cover from the server (see “Removing the cover and bezel” on
page 23).
3. Make sure the memory hot-swap enabled LED is lit on the top of the memory
card to be replaced. If the LED is not lit, enable memory mirroring (see “Active
Memory” on page 33).
Chapter 2. Installing options 35