Carefully follow these steps to install a math coprocessor:

1.Remove the computer’s cover and subassembly as described in Chapter 3.

2.Remove the math coprocessor from its package and set it aside.

3.The math coprocessor socket on the main system board is square and has three rows of pins on each side. It has a notch in the lower left corner, as shown below.

notch

The math coprocessor also has a notch in one corner, marked by a dot, as shown below.

Y

r

0 0

0

notch

4-24 Installing and Removing Options