1-10
Chapter 1 Motherboard 4S661QP
mPGA478B
Socket 478
This motherboard is designed with Socket 478 for
Intel P4
TM
processor.
Pin 1
1.4 CPU and CPU Fan Installation
1. Pull the lever sideways away from the socket then raise the
lever to a 90-degree angle.
2. Locate Pin 1 in the socket Pin 1 of CPU is marked by the
yellow corner or cut edge on the CPU. Match Pin 1 of
Socket 478 and Pin 1 of CPU.
3. Pull up the lever of Socket 478 to let the CPU in and press
the lever down to lock the CPU.
4. Make sure that Pin 1 of Socket 478 is matching with Pin 1 of
CPU.
5. Make sure that all CPU pins are completely in socket before
pressing down the socket lever.
Intel
pentium 4
Lever of Socket 478
Cooling Fan Base
1.4.1. CPU Installation with Socket 478
