PCI Video Card : What is it?
Peripheral component interconnect (PCI) video cards manage image and video displays on computer monitors. They convert incoming video signals into electronic signals to be displayed on the screen. They plug into the computer’s PCI rack, along with other expansion cards such as sound cards and network cards. One edge of the card features one or more ports for connecting to monitors or input devices, such as video cameras.
Kinds of PCI Video Cards include the following:
|VGA video cards|
- VGA video cards are used for analog display devices, such as CRT monitors. They are also widely used in PDA screens.
- They usually support a resolution of 640 x 480 and have 16-color and 256-color modes.
DVI video cards
- DVI video cards are designed for digital displays such as LCD and digital projectors.
- Each pixel in the image is given a corresponding brightness value in binary for, which reduces the distortion present in analog images.
- They can also display analog video signals by assigning brightness values to pixel arrays instead of individual pixels.
DMS-59 video cards
- DMS-59 video cards can support up to two DVI and two VGA signals.
- Their connectors have four rows of 15 pins, usually lacking the third pin on the first row.
- They are used to connect two to four monitors from half-height video cards, or four to weight monitors on full-height cards.
|Data width: Data width determines the color spectrum that the card can display. Choose a PCI video card with a 256- to 512-bit data width for heavy graphics applications, such as gaming and design work. For general office work, 64- to 128-bit should do.|
Installed memory: Choose a PCI video card with a large installed memory for smoother 3d and video displays. Generally, 64 MB and below are considered low-end, while 128 MB and up are high-end.
recommended pci video cards