Asus AP130-E1 - Manual (Page 21)

2-5 ASUS AP130-E1 barebone server
2.3 Central Processing Unit (CPU)
The motherboard comes with a surface mount 478-pin Zero Insertion
Force (ZIF) socket designed for the Intel
® Pentium ® 4 processor.
Take note of the marked corner (with
gold triangle) on the CPU. This mark
should match a specific corner on the
socket to ensure correct installation.
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 instructions.
Gold Mark