2.3Central Processing Unit (CPU)

2.3.1 Overview

The motherboard comes with dual surface mount 604-pin Zero Insertion Force (ZIF) sockets. The sockets are designed for the Intel® Xeon™ Processor in the 604-pin package.

Intel Xeon

NCCH-DL

Gold Arrow

NCCH-DL Socket 604

Before installing the CPU, remove the chassis fan attached to the inner side of the rear panel to allow enough space for the installation. Refer to section “2.10 Removable components” for details.

2.3.2 Installing the CPU

Note in the above illustration that the CPU has a gold triangular mark on one corner. This mark indicates the processor Pin 1 that should match a specific corner of the CPU socket.

If installing only one CPU, use the socket CPU1.

Socket for CPU1

Socket for CPU2

ASUS AP1720-E2 barebone server

2-5