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Appendix C. Install CPU with Cooler
We provide a special designed cooler for the Wafer7850 CPU board.
There are two kind of installation directions which base on the CPU
package. If the CPU you would like to install is FCPGA package then
read the case one. If CPU is PPGA Celeron then start from case two.
Case one:
Step 1.
Loose the four screws on the top of cooler about three rounds
Step 2.
To prevent form the CPU holders of the clip part interfere
with the other components those on the board. Make sure the two
CPU holder edges toward the left and right hand side.
Step 3.
Make sure the pin-one marking on CPU toward the left hand
side. Push CPU lightly into the clip to make the CPU holder hold-
-ing the CPU base board then slowly tighten the screws.
Be careful, too tight would cause the CPU base board broken. Using
fingers to rotate the screws instead of screwdriver is recommended.
screw
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Step 4.
Place the CPU with cooler on the socket 370 lightly. Be sure
of each pin to hole is correct. Using palm to press the right edge of
cooler to insert CPU to the socket then the left. After that the CPU is
fixing on the socket and looked like the following figure.
Cooler
Heat sink
Big 4 pin connector
Socket 370
CPU Base board
CPU Base Board Holder
Clip
VIEW FROM RIGHT HAND SIDE OF WAFER7850
Capacitor
Clip Stop (in
case one)
Cooler
Heat sink
Clip
Clip Stop (in
case one)
CPU HOLDER
CPU DIE
CPU Base board
