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6.
Open both latches of the memory module socket (1), and insert the memory module into the socket (2).
Press the module down into the socket, ensuring that the module is fully inserted and properly seated.
Make sure the latches are in the closed position (3).
NOTE:
on the memory socket.
Populate the black DIMM sockets before the white DIMM sockets.
For maximum performance, populate the sockets so that the memory capacity is spread as equally as
possible between Channel A and Channel B.
7.
Repeat step 6 to install any additional modules.
8.
Replace the computer access panel.
9.
Reconnect the power cord and any external devices, and then turn on the computer. The computer
should automatically recognize the additional memory.
10.
Lock any security devices that were disengaged when the access panel was removed.
Removing or installing an expansion card
The computer has three PCI Express x1 expansion sockets and one PCI Express x16 expansion socket.
NOTE:
You can install a PCI Express x1, x8, or x16 expansion card in the PCI Express x16 socket.
For dual graphics card configurations, the first (primary) card must be installed in the PCI Express x16 socket.
To remove, replace, or add an expansion card:
1.
Remove/disengage any security devices that prohibit opening the computer.
2.
Remove all removable media, such as compact discs or USB flash drives, from the computer.
3.
Turn off the computer properly through the operating system, then turn off any external devices.
4.
Disconnect the power cord from the power outlet and disconnect any external devices.
16
Chapter 2 Hardware upgrades
A memory module can be installed in only one way. Match the notch on the module with the tab
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