EVGA NFORCE 680I SLI 122-CK-NF68-XX - Manual (Page 50)

Introduction
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Intentions of the Kit
This kit provides you with the motherboard and all connecting cables necessary
to install the motherboard into a PC cabinet. If you are building a PC, you will
use most of the cables provided in the kit. If however, you are replacing a
motherboard, you will not need many of the cables.
When replacing a motherboard in a PC cabinet, you will need to reinstall an
operating system even though the current drives have an operating system.