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Installing and Replacing Desktop Board Components
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Removing DIMMs
To remove a DIMM, follow these steps:
1. Observe the precautions in "Before You Begin" on page 31.
2. Turn off all peripheral devices connected to the computer.
Turn off the computer.
3. Remove the AC power cord from the computer.
4. Remove the computer’s cover.
5. Gently spread the retaining clips at each end of the DIMM socket. The DIMM pops
out of the socket.
6. Hold the DIMM by the edges, lift it away from the socket, and store it in an
anti-static package.
7. Reinstall and reconnect any parts you removed or disconnected to reach the DIMM
sockets.
8. Replace the computer’s cover and reconnect the AC power cord.
Installing and Removing PCI Express x16
Add-in Cards
CAUTION
When installing a PCI Express card on the Desktop Board, ensure that the card is fully
seated in the PCI Express connector before you power on the system. If the card is
not fully seated in the connector, an electrical short may result across the connector
pins. Depending on the over-current protection of the power supply, certain Desktop
Board components and/or traces may be damaged.
Installing PCI Express x16 Graphics Cards
If you are installing a single PCI Express x16 graphics card, install it in the PCI Express
primary connector (Figure 19, A) for optimum performance.
Fo
llow these instructions to install a PCI Express x16 card:
1. Observe the precautions in "Before You Begin" on page 31.
2. Place the card in a PCI
Express x16 connector (Figure 19, A) and press down on
th
e card until it is completely seated in the connector and the card retention notch
on the card snaps into place around the retention mechanism pin on the connector.
3. Secure the card’s metal bracket to the chassis back panel with a screw
(Figure 19, B).