| A | B |
| replaceable units | harddrive , CD-ROM drive, floppy drives, controllercards and data cables |
| VESA VL bus slot | older system used a local I/O bus slots for video cards |
| AGP bus | connects directly on the CPU running at the same speedas the system |
| AGP slot | is 132-pin slot and the GPA Pro standard uses a wider 188-pin slot |
| installing a video card | use the driver recomended by the manufacturer whick are recomemded |
| network card | uses the network card that matches the network protocol |
| network card | verify it is working by checking the light on the card |
| support AGP | window 98 and window 2000 |
| PCI or ISA | install a video card |