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An HDMI motherboard has an HDMI port for high-definition video and audio transmission. It eliminates the need for a dedicated video or sound card and can connect to multiple monitors and TVs. Integrated graphics can be sufficient for lighter uses, and HDMI is backward compatible with DVI. A dedicated video card can replace an HDMI motherboard.
An HDMI® motherboard is a motherboard equipped with a High-Definition Multimedia Interface (HDMI®) port. HDMI® is a standard that can enable high-definition video and high-quality audio to be transmitted over the same cable. This can allow a computer with such a motherboard to be connected to a variety of monitors and televisions without requiring a secondary audio cable. HDMI® motherboards can be found in desktop and laptop computers, and many monitors and televisions are equipped with one or more HDMI® ports.
Many motherboards contain basic audio and video functions, eliminating the need for a dedicated video or sound card. This is especially true with budget laptops where both space and price issues can lead to the use of integrated graphics. A motherboard with integrated graphics is simply a motherboard that has a built-in video card and, therefore, has an HDMI® port, a VGA port, or both.
While integrated graphics often lack the power to run resource-intensive games, they can be sufficient for lighter uses. Many televisions are equipped with HDMI® ports, and a computer with an HDMI® motherboard can use a television as a monitor. This can allow high-definition Internet video and other media to be viewed on a large screen without an expensive video card. It can also allow you to connect your computer to a television or monitor via a single cable for both audio and video.
While early computer monitors traditionally only had a single VGA input, many displays can now be found with multiple HDMI® inputs. This can allow a single display to be used with many different video sources, including a computer equipped with an HDMI® motherboard. HDMI® is fully backward compatible with two of the three types of digital video interface (DVI). This means that a computer with an HDMI® motherboard and adapter can connect to the DVI port of a display that has no HDMI® ports. Although DVI does not support audio input, using an HDMI®-to-DVI adapter will not result in any loss of video quality.
If a computer has a dedicated video card, an HDMI® motherboard is not required. When a system built with an HDMI® motherboard is upgraded to a dedicated video card, the HDMI® port on the motherboard simply stops working. An HDMI® video card can provide all of the same useful features as an HDMI® motherboard while still being able to run more graphically intensive programs and games.
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