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Text excerpt from page 59 (click to view)
7521Plus / N N/B MAINTENANCE
4. Insert a minus screwdriver 101 (JIS standard) into the �OPEN� hole of the socket, and push the screwdriver toward the CPU to free the CPU. Now you can take out the CPU from the socket. (figure 2-4)
Figure 2-4
Reassembly
1. Align the arrowhead corner of the CPU with the beveled corner of the socket, and insert the CPU pins into the holes. Insert the flat screwdriver into the �CLOSE� hole of the socket, and push the screwdriver toward the CPU to secure the CPU in place. 2. Connect the fan�s power cord to the system board, fit the heatsink onto the top of the CPU and secure with four screws. 3. Replace the CPU compartment cover and secure with two screws.
