Microprocessor Module: Dell Inspiron XPS and Inspiron 9100 Service Manual
Ensure that the cam lock is in the fully open position before seating the
microprocessor module. Seating the microprocessor module properly in the ZIF socket does not
A microprocessor module that is not properly seated can result in an intermittent
connection or permanent damage to the microprocessor and ZIF socket.
1. Align the pin-1 corner of the microprocessor module with the pin-1 corner of the ZIF socket,
and insert the microprocessor module.
The pin-1 corner of the microprocessor module has a triangle that aligns with the
triangle on the pin-1 corner of the ZIF socket.
You must position the microprocessor module correctly in the ZIF socket to avoid
permanent damage to the module and the socket.
When the microprocessor module is correctly seated, all four corners are aligned at the same
height. If one or more corners of the module are higher than the others, the module is not seated
2. Tighten the ZIF socket by turning the cam screw clockwise to secure the microprocessor module
to the system board.
3. Perform the steps in "Removing the Microprocessor Module" in reverse order, beginning with
4. Update the BIOS using a flash BIOS update program floppy disk or CD. For instructions on how
to flash the BIOS, see
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