ATI Technologies RADEON X1550 SERIES - Manual (Page 15)

Graphics Card Bus Types 7
CHAPTER 2:
Installing Hardware
This chapter will guide you through the physical installation of your new
Radeon® graphics card.
Graphics Card Bus Types
There are three possible card bus types. See the illustration below to
determine if you have an AGP, PCI, or PCI Express® (PCIe™) graphics
card.
AGP, PCI, and PCIe™ Graphics Cards
Basic Graphics Card Installation
There are two types of installation. If your graphics card does not require a
separate connection to the computer’s power supply, follow the Basic
Install instructions below. If your graphics card requires a separate
connection to the computer’s power supply, follow the Advanced Install
instructions for either AGP or PCIe, as appropriate.
Bus Types
1 AGP card and AGP expansion slot
2 PCI card and PCI expansion slot
3 PCIe™ card and PCIe™ expansion slot