Retention

Figure 4-7. Raising the Locking Lever

11.Aligning the pins of the CPU with the socket, insert the CPU slowly and gently into the socket. See Figure 4-8.

IMPORTANT: Be aware of CPU direction. Pin layouts on two corners among four differ from others to prevent an incorrect insertion. Confirm the pin mark and pin layout on the socket, and insert the CPU correctly.

Pin mark

Figure 4-8. Installing a CPU

12.Push the CPU lightly to the socket, and push down the lever to secure the CPU. See Figure 4-9.

Disassembly and Reassembly 4-15

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Image 81
NEC 120Lg manual Raising the Locking Lever