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3-3 Install the Central Processing Unit (CPU)
3-3.1 Installing the CPU
The DVR’s board comes with a surface mount Socket 775 (LGA775) design for Intel Pentium 4
Processor in the 755-land package.
Fig. 3-3.1 Fig. 3-3.2
Fig. 3-3.3 Fig. 3-3.4 Fig. 3-3.5
Follow these steps to install a CPU
1. Locate the CPU socket on the platform. (Fig. 3-3.1).
2. Press the load lever with your thumb (A) and remove it to the left (B) until it is released from the
retention tab. (Fig. 3-3.2)
3. Lift the load lever in the direction of arrow to a 135-degree angle. (Fig. 3-3.3)
4. Lift the load plate with your thumb and forefinger to a 100 degree angle (A), then push the PnP cap
from the load plate window to remove (B). (Fig. 3-3.4)
5. Position the CPU over the socket, making sure that the gold triangle is on the bottom-left corner of
the socket. The socket alignment key should fit into the CPU notch. (Fig. 3-3.5)