1.5 CPU and CPU Fan Installation. Acorp 4S648N, 4S648

Chapter 1 Motherboard 4S648/4S648N

1.5 CPU and CPU Fan Installation

This motherboard is designed with Socket 478 for

Intel P4 TM processor.

1.5.1 CPU Installation with Socket 478

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.

Cooling Fan Base mPGA478B

Socket 478

Pin 1 pentium 4

Intel

Level of Socket 478

1-12