Adding And Replacing A Memory Card - IBM System x3800 Type 8865 User Manual

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
To add a memory card, complete the following steps:
1. Read the safety information that begins on page v and "Installation guidelines"
2. Turn off the server and peripheral devices, and disconnect the power cords and
3. Unlock the front cover (tower model only), and remove the top cover (see
4. Prepare the memory card:
5. Install the memory card:
If you have other options to install or remove, do so now; otherwise, go to
"Completing the installation" on page 49.
Hot-replacing a memory card
For you to hot-replace a memory card, memory mirroring must be enabled. See
"Active Memory" on page 37 for information about how to enable memory mirroring.
To hot-replace a memory card, complete the following steps:
1. Read the safety information that begins on page v and "Installation guidelines"
2. Remove the front cover (tower model only), and the top cover (see "Removing
3. Prepare the new memory card:
38
IBM System x3800 Type 8865: User's Guide
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.
on page 21.
all external cables necessary to replace the device.
"Removing the front cover, top cover, and bezel" on page 23).
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 39).
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.
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.
the front cover, top cover, and bezel" on page 23).