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Eiden, Hermann (July 7, 1999). "TFT Guide Part 3 - Digital Interfaces". TomsHardware.com . Retrieved 29 March 2012. There are three types of DVI cables and connections, and each has a slightly different pin configuration: DVI would of course continue to be used, despite the emergence of HDMI. Laptops are expected to last around five years, and although desktop PCs can easily change graphics cards, it’s an expense that many consider pointless. Plus, there are plenty of occasions where there’s no need to have sound going to the display, such as the typical office setup, where users will use headphones. Just as DVI coexisted with VGA for several years, so DVI and HDMI continued to work together. If you want to get 144Hz at 1080p out of an HDMI port, you’ll need to ensure that you’ve got access to an HDMI 2.0 port on both your monitor and graphics card. If your graphics card or monitor are relatively old, chances are, you’re using version 1.4 or below, where you’ll have a maximum refresh rate of 120Hz at 1080p. This is where DVI comes in handy, as it’s able to achieve 144Hz at 1080p.
a b c Digital Visual Interface & TMDS Extensions (PDF) (Report). Silicon Image. October 2004 . Retrieved 31 January 2023. A. DVI stands for Digital Visual Interface. DVI cables are used to connect a video signal from computers to LCD monitors, HDTV displays, projectors, and cable boxes. In addition to digital, some DVI connectors also have pins that pass an analog signal, which can be used to connect an analog monitor. The analog pins are the four that surround the flat blade on a DVI-I or DVI-A connector. A VGA monitor, for example, can be connected to a video source with DVI-I through the use of a passive adapter. Since the analog pins are directly compatible with VGA signaling, passive adapters are simple and cheap to produce, providing a cost-effective solution to support VGA on DVI. The long flat pin on a DVI-I connector is wider than the same pin on a DVI-D connector, so even if the four analog pins were manually removed, it still wouldn't be possible to connect a male DVI-I to a female DVI-D. It is possible, however, to join a male DVI-D connector with a female DVI-I connector. [12]VGA connectors and cables can transmit analog signals, while DVI can transmit analog signals and digital signals. Compared with VGA, DVI is newer and provides a better and clearer display. You can easily distinguish them because the VGA connector (and port) is blue, and the DVI connector is white.
The digital DVI-D or DVI-I version is compatible with an HDMI connection – so you can get DVI to HDMI cables or adapters if your AV equipment requires a connection like this. You have learned how to make a DVI to VGA connection, but what if you need to connect everything the other way? It doesn’t send audio, so you must make a separate sound connection between the source device and the speaker system. DVI was the result of a concerted effort to standardise digital video transfer around 1999. This was a time when DVD players were the most popular form of home video entertainment, with VHS in terminal decline. Also, home computing was becoming more normalised thanks to Microsoft and Apple, and flat-screen LCD TVs were beginning to outsell traditional cathode ray tube TVs and monitors. Blu-ray was still a few years away, and it would be almost a decade before the likes of Netflix would be streaming high-quality video over the internet.Another less common version is dual-link (or DVI-DL), which has a second internal connection for delivering data and can be used for high-resolution displays up to 2560×1600/60Hz. The cables above support 1080p video with a maximum resolution of 1920×1200. How Do You Connect DVI to a VGA Monitor? The DVI connection on the end of the cable may have different amounts of pins depending on the type of DVI connection it is designed for.
Most monitors will have a range of different inputs available, and your PC or laptop will also use different outputs, so it can be difficult to decide which is the best connection to use. a b Manchester, Gary (1999). The VESA Digital Flat Panel (DFP) Standard: A White Paper (PDF) (Report). VESA Marketing Committee. Archived from the original (PDF) on January 12, 2016. The VGA connector carries analog signals. The digital video signal received from the signal source is converted into an analog signal and transmitted through the cable. If the display device is an old CRT (Cathode Ray Tube) monitor, it will accept analog signals. Digital Visual Interface ( DVI) is a video display interface developed by the Digital Display Working Group (DDWG). The digital interface is used to connect a video source, such as a video display controller, to a display device, such as a computer monitor. It was developed with the intention of creating an industry standard for the transfer of uncompressed digital video content.As competing standards, they share a lot of features in their various incarnations. DisplayPort can also carry audio signals on a single cable, and the latest release supports up to 8K resolution at 60 hertz with high dynamic range. The next version is expected later this year. More often than not, if you’re connecting something to a television, HDMI will be your best, and likely only, bet. Most PC monitors will also include an HDMI input. The good news, where it comes to 1.4 versus 2, is that you don’t need to rush out and buy new cables. To take advantage of the 2.0 specyou just need both devices on each end of the cable to be 2-compatible. Any HDMI cable will do, and we’ve already seen that there’s no difference in HDMI cable quality. Some new, high-end, or especially small machines are starting to rely on the Thunderbolt standard, which can operate on a flexible USB Type-C connector for video out, audio, data, and power, all at once. These multi-purpose ports are still rare on monitors, but the flexibility they offer is making them quite popular on laptops and tablets. Unfortunately, using one with most monitors and televisions at the moment will require yet another adapter. DisplayPort 1-1.1a is able to output 144Hz at 1080p, while 1.2-1.2a can output 1440p at 144Hz, 1.3 outputs up to 120Hz at 4K, and 1.4 can output 144Hz at 4K using Display Stream Compression (DSC).
If a depth greater than 24 bits per pixel is desired, the least significant bits are sent on the second link. To get 144Hz, you should ideally use DisplayPort as it’s the most capable out of the bunch. Here, DisplayPort 1.0-1.1a is able to output 144Hz at 1080p, while 1.2-1.2a can output 1440p at 144Hz, 1.3 outputs up to 120Hz at 4K, and 1.4 can output 144Hz at 4K using Display Stream Compression (DSC). It’s the best connection to display 144Hz.Most graphics cards and monitors from 2002 onwards had HDMI and DVI ports (indeed, VGA stubbornly persisted until well into the 2010s). It’s not that new technology will always win straight away, it’s that millions of consumers and businesses are running legacy equipment and they need to be able to connect things together. If you shop around, you can still find mid-range PC graphics cards that have a DVI slot, and they’re great for double-monitoring – you can use that old 1280×1024 as a reference monitor while you use your 1920×1200 as your main screen. HDMI vs VGA vs DVI DisplayPort only natively supports single-link DVI, not dual-link. However, active dual-link adapters are available, which are more expensive. HDMI is unique among the many connection options in that it’s able to carry both uncompressed video and uncompressed audio. This is why it’s become the connection of choice for most multimedia devices as it’s a one-cable solution. Walton, Jarred (March 2, 2007). "Dell 2407WFP and 3007WFP LCD Comparison". AnandTech . Retrieved November 7, 2013. The original single-link DVI is rarely used anymore: if your laptop has a DVI connection, it's almost certainly using DVI Dual Link, with a maximum 60 hertz output of 2560x1600. This makes DVI incompatible with newer 4K displays (though technically the standard can handle the higher number of pixels at a lower 33 frames per second). Some professional graphics cards have DVI-D ports that can output audio that's compatible with an HDMI adapter, but the vast majority of DVI ports are restricted to video-only capabilities.
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