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3. Open both latches of the memory module socket (1), and insert the memory module into the
socket (2).
Figure 7-6 Installing a DIMM
NOTE: A memory module can be installed in only one way. Match the notch on the module
with the tab 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. Refer to
Populating DIMM Sockets
on page 128 for more information.
4. Push 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).
5. Repeat steps 3 and 4 to install any additional modules.
6. Replace the computer access panel.
7. Reconnect the power cord and turn on the computer.
8. Lock any security devices that were disengaged when the access panel was removed.
The computer should automatically recognize the additional memory the next time you turn on the
computer.
Expansion Cards
Description Spare part number
nVidia Quadro NVS310 PCIe x16 graphics card, 512 MB 680653-001
nVidia Quadro NVS300 PCIe x16 graphics card, 512 MB 632486-001
AMD Radeon HD7450 PCIe x16 graphics card, 1 GB 682411-001
AMD Radeon HD6350 PCIe x16 graphics card, 512 MB 637995-001
130 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis