ASUS P4B-MX motherboard user guide
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2.4.2 Installing the CPU
Follow these steps to install a CPU.
1. Locate the 478-pin ZIF socket on the motherboard.
2. Unlock the socket by pressing the lever sideways, then lift it up to a
90°-100° angle.
Figure 2-5 Intel 478-pin ZIF Socket
Figure 2-6 CPU Socket Lever at 90° -100° Angle
Socket Lever
Make sure that the socket lever is lifted up to 90°-100° angle,
otherwise the CPU does not fit in completely.
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