Abit SI7, User Manual

Page: 22 / 96

2-2 Chapter 2
2-2. Install Pentium
®
4 CPU and Heatsink Supporting-Base
This motherboard provides a ZIF (
Z
ero
I
nsertion
F orce) Socket 478 to install Intel
®
Pentium
®
4
CPU. The CPU you bought should have a kit of
heatsink and cooling fan along with. If that’s not
the case, buy one specially designed for Pentium
®
4 Socket 478.
1. Locate the Socket 478. Fasten the heatsink
supporting-base onto the motherboard.
ATTENTION: If you are using chassis specially
designed for Pentium
®
4, please pay attention to
the location of metal studs or spacers if they are
already installed on the chassis. Be careful not let
the metal studs or spacers contact the printed
circuit wire or parts on the PCB.
2. Pull the CPU socket lever sideways away
from the socket and then upwards to 90
degree. Insert the CPU with the correct
orientation. Do not use extra force to insert
CPU; it only fit in one orientation. Closing
down the socket lever while holding down
the CPU.
3. Put the heatsink faces down onto the CPU
until it completely covers the CPU.
4. Put the heatsink supporting-cover onto the
heatsink. Make sure all the four locking clasp
at each side of the supporting cover reach in
the locking holes.
5. Push down the retaining clip at both sides of
the supporting cover to lock up together with
the supporting base. Watch out the direction
for pushing down the clip.
6. The heatsink supporting cover and base
should now firmly locking up with each other
with the heatsink inside.
ATTENTION:
Do not forget to set the correct
bus frequency and multiple for your processor.
SI7 Series