Rear View       Show Part Numbers       Hide Part Numbers 1009473, 1009475, 1009547, 1009573       Show Model(s)       Hide Models FX8030, FX8020, FX8010m, FX8040 This is the rear of the computer. Refer to the following table for more information. Click the link for more information. Item Description A Side panel release latch B Thumbscrew hole and lock slot C AC power connector D Certification of Authenticity (COA) label. Provides the product identification number for the Microsoft® operating system originally installed on the hard drive. E Fan vent F Ports G System label Provides the computer serial number and industry certification information. H Add-in card retention latch and thumbscrew I Five add-in card slots