Epson Endeavor 468C - Manual (Page 94)

Replacing the Processor Chip
If you need to remove the existing microprocessor chip to
replace it with a math coprocessor or OverDrive chip, follow
these steps:
1. Use the illustration on page 4-3 to locate the processor socket
on the system board.
Caution
Make sure you ground yourself by touching the metal
surface on the inside of the computer’s back panel before
you touch the processor chip. Then remain as stationary
as possible while you install it. Do not touch the pins on
the processor chip. Handle the processor only by the
edges of its case.
2. If you use a chip puller, position the puller between the
processor chip and the socket.
You can also use a small, flat-edged screwdriver instead of a
chip puller. Carefully wedge the tip of the screwdriver
between the processor chip and the socket. Gently turn the
screwdriver until the chip begins to separate from the
socket. Move the screwdriver to another side of the
processor chip and again turn it until the chip separates
from the socket. Keep doing this until you can lift the
processor chip straight up from the socket.
3. Gently pull the processsor chip straight up and set it aside.
4. Remove the replacement chip from its package and inspect
the pins. If they are bent, do not install the processor chip.
Return the chip to the place of purchase and ask for a
replacement.
Installing and Removing Options 4-23