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This is the rear of the computer. Refer to the following table for more information.
| Item |
Description |
| A |
AC power connector |
| B |
Voltage switch |
| C |
Rear ports |
| D |
Four add-in card slots
The number and types of cards may vary from those shown. |
| E |
Two side panel thumbscrews |
| F |
Certificate of Authenticity (COA) label
Provides the product identification number for the Microsoft® Windows® operating system originally installed on the hard drive. |
| G |
Rear vent
Do not block this vent. |
Note: Because an add-in video card is installed, the integrated VGA port on this computer is covered by a yellow sticker indicating that it is not available. The add-in video card shown in the top slot in this graphic does not have a VGA port. However, if a VGA connection is needed, a DVI-to-VGA adapter can be plugged into the video card's DVI port. |