Asus AP1720-E2 - Manual (Page 25)

2-5 ASUS AP1720-E2 barebone server
2.3 Central 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.
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.
NCCH-DL
®
NCCH-DL Socket 604
Intel Xeon
Gold Arrow
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.
Socket for CPU2
Socket for CPU1
If installing only one CPU, use the socket CPU1.