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6. Add the memory card.
If you have other devices to install or remove, do so now. Otherwise, go to
"Completing the installation" on page 71.
Installing DIMMs
DIMMs must be installed in pairs of the same type and speed. For you to use the
memory mirroring feature, all the DIMMs that are installed in the server must be the
same type and speed, and the operating system must support memory mirroring.
The following instructions are for installing one pair of DIMMs. To install DIMM pairs
on more than one memory card, repeat steps 3 though 7 for each memory card.
To install a DIMM, complete the following steps:
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IBM System x3850 X5 and x3950 X5 Types 7145 and 7146: Installation and User's Guide
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. Open the levers on the top of the memory card.
c. Place the memory card on a flat, static-protective surface, with the DIMM
connectors facing up.
d. Install DIMMs in the memory card (see "Installing DIMMs").
Attention:
When you move 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
and the guides on the chassis.
b. Insert the memory card into the memory-card connector.
c. Press the memory card into the connector and close the retention levers.
d. Slide the blue release latch to the locked position.
1. Read the safety information that begins on page vii and "Installation guidelines"
on page 32.
2. Turn off the server and peripheral devices, and disconnect the power cords
and all external cables as necessary to replace the device.
3. Remove the server top cover (see "Removing the top cover" on page 37).
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