Dvi Port For Mac

2021年1月30日
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“What’s the deal with all of the different video connectors on computers these days? VGA, DVI, HDMI, Thunderbolt — what’s the best, what should I use if my video card has different kinds of video ports and what kind of port should I look for on a new video card?”
VGA, DVI, HDMI, DisplayPort and Thunderbolt are the types of video connectors that you might find on a modern computer, and it pays to have a basic understanding of how to identify them and how they differ from one another. Your computer’s video port determines whether you need to purchase an adapter to connect the computer to a television or other external display. The video port also influences the quality of your computer’s graphics to an extent. In this article, I’ll discuss the five most common computer video ports and describe how they differ.VGA
A VGA port is trapezoidal in shape and has 15 pin holes. VGA is the only common monitor connection that uses an analog signal, and it is the standard connection for the large CRT monitors that all computers once used. Today, however, it is almost impossible to buy a new CRT monitor. Virtually all new computers use flat-panel LCD displays. If you have an LCD monitor and a computer with a VGA port, you can connect the two using a VGA-to-DVI adapter. Select the correct type — female to male or male to female — depending on whether you will use a VGA cable or the DVI cable included with your monitor. Either type of cable will work with the correct adapter.
Mini Display Port Thunderbolt to MI VGA DVI Adapter For MacBook Pro Mac Air D1S4 Overview: The product seamlessly connects Book, Book Pro, or Book Air with a Mini DisplayPort to high definition displays with MI, DVI or VGA. From Wikipedia, the free encyclopedia The Micro-DVI port is a proprietary video output port found in the original MacBook Air. It is smaller than the Mini-DVI port used by its MacBook models. To use the port for displaying video on a standard monitor or television, an adapter must be used. Connect your Mac to your TV Connect one end of the video cable (or an adapter, if necessary) to the computer’s Thunderbolt port, HDMI port, or DVI port, then connect the.
The problem with connecting a modern LCD monitor to a VGA port is the fact that LCD monitors are digital, and VGA signals are analog. Before an LCD monitor can display an analog signal, it has to perform an analog-to-digital conversion. The conversion will degrade the sharpness of the image. If you have an LCD monitor and a video card with both VGA and DVI ports, connect the monitor to the DVI port for the best possible image quality. If your video card only has a VGA port, consider picking up a cheap PCI, AGP or PCI Express video card with a DVI port; your eyes will thank you.DVI
DVI video connector
A DVI port has a wide rectangular shape with holes for up to 24 pins arranged in three groups of eight on one side and a cross or plus shape on the other side. A DVI signal is digital, meaning that it will produce perfect video quality with a digital display such as an LCD monitor or high-definition television. DVI supports the encryption features required to play copy-protected high-definition content such as Blu-ray discs, and it supports the 1080p standard as well as even higher display resolutions. Most current computers and monitors have DVI ports, but some televisions do not. If you need to connect a computer with a DVI port to a television with an HDMI port, purchase a DVI-to-HDMI cable. The main drawback of DVI compared to HDMI is that it is a video-only technology. If you connect your computer to a television or other display with a DVI connector, you’ll need a separate audio cable for sound. Otherwise, DVI and HDMI are functionally similar.HDMI
An HDMI port has a small, somewhat trapezoidal shape. Inside the port, you’ll find several metal strips that make contact with the teeth on an HDMI connector. The HDMI connection is small, convenient and offers plenty of bandwidth — enough to support display resolutions even higher than DVI. HDMI also supports the transmission of digital audio over the same cable. HDMI is the connection you’ll find most often on modern game consoles, Blu-ray players and notebook computers. Many televisions have multiple HDMI ports, and monitors are increasingly coming equipped with HDMI ports as well. If your computer has an HDMI port, it is your best option for connecting an external display.DisplayPort and Mini DisplayPort
Mini DisplayPort video connector
DisplayPort and Mini DisplayPort are functionally identical to DVI. They are smaller, however, making them common on notebook computers. Although Apple designed the DisplayPort interface, it has licensed the technology to other companies such as HP, Dell and Lenovo. The drawback of owning a notebook with a DisplayPort connection rather than an HDMI connection is the fact that many displays are not DisplayPort-compatible, which means you’ll need an adapter. DisplayPort-to-DVI and DisplayPort-to-HDMI adapters are available online for less than $5.00. DisplayPort relates more closely to DVI than to HDMI; it does not carry audio signals.Thunderbolt
Thunderbolt is a new connection developed by Apple and Intel to support both video and data transfer — in two directions simultaneously — over a single cable. Thunderbolt has massive data bandwidth. You could connect an Apple Thunderbolt Display to your broadband modem, a FireWire hard drive, a USB audio device and an iPod or iPhone cradle. You could then connect all of those devices to your computer through a single Thunderbolt connection between the monitor and computer. At present, only Apple computers have Thunderbolt ports. If the technology catches on, other computer manufacturers may license it. If you have a Thunderbolt display and need to connect it to a computer with an older Mini DisplayPort, you can use your existing cable. A Thunderbolt port is the same size and shape as a Mini DisplayPort.
Some images courtesy of Wikipedia.
Information about these and other types of Mac ports is in the specifications for your Mac: Choose Apple menu  > About This Mac, click Support, then click Specifications. Or check your Mac user guide.Thunderbolt 3
Use Thunderbolt 3 with displays and other devices that connect using either a Thunderbolt 3 cable or USB-C cable. You can also connect a USB-C power adapter and cable to charge your notebook computer. If you have a device that doesn’t connect to this port, you might be able to use an adapter to connect it.
These Mac models have Thunderbolt 3 ports:
*MacBook Pro introduced in 2016 or later
*MacBook Air introduced in 2018 or later
*iMac introduced in 2017 or later
*iMac Pro (all models)
*Mac mini introduced in 2018
*Mac Pro introduced in 2019
If your Mac notebook or desktop computer has more than one port like this, each port supports ThunderBolt 3 and USB-C.USB-C
Use USB-C with displays and other devices that connect using a USB-C cable. You can also connect a USB-C power adapter and cable to charge your notebook computer. If you have a device that doesn’t connect to this port, you might be able to use an adapter to connect it.
MacBook models introduced in 2015 or later have a single USB-C port. This port doesn’t support Thunderbolt devices.

If your Mac has only one port like this, it’s a MacBook that supports USB-C but not Thunderbolt. Thunderbolt
Use Thunderbolt or Thunderbolt 2 with displays and other devices that connect using a Thunderbolt cable.
These Mac models have Thunderbolt or Thunderbolt 2 ports:Hdmi Port For Macbook Pro
*MacBook Pro introduced in 2011 through 2015
*MacBook Air introduced in 2011 through 2017
*Mac mini introduced in 2011 through 2014
*iMac introduced in 2011 through 2015
*Mac Pro introduced in 2013
Thunderbolt and Thunderbolt 2 are not the same as Mini DisplayPort . They have the same shape, but use different symbols on the cable and port. However, this port does support Mini DisplayPort for video output, so you can use a Mini DisplayPort cable to connect a Mini DisplayPort display.Mini DisplayPort
Use Mini DisplayPort with displays that connect using a Mini DisplayPort cable.
These Mac models have Mini DisplayPort:
*MacBook Pro introduced in late 2008 through 2010
*MacBook Air introduced in late 2008 through 2010
*Mac mini introduced in 2009 and 2010
*iMac introduced in 2009 and 2010
*Mac Pro introduced in 2009 through 2012
Mini DisplayPort is not the same as Thunderbolt or Thunderbolt 2 . They have the same shape, but use different symbols on the cable and port.USB-A
Use USB-A with devices that connect using a USB cable. USB ports are sometimes known by the USB specification of the port, such as USB 2 or USB 3.

Left to right: power, two Thunderbolt, USB-A, and Audio-Out.HDMI
Use HDMI with displays and TVs that connect using an HDMI cable.Ethernet
Use Ethernet with networks and devices that connect using an Ethernet (RJ45) cable.FireWire
Use FireWire with devices that connect using a FireWire 400 or FireWire 800 cable.SD card
Use the SD card slot with SD, SDHC, SDXC, MMC, and UHS-II media cards, such as those used by digital cameras.Audio
Use Audio-Out — or — with headphones, speakers, and other audio-output devices that connect using an audio cable that has a 3.5 mm (1/8 inch) audio jack.
Use Audio-In with a microphone or other audio-input device that connects using an audio cable that has a 3.5 mm (1/8 inch) audio jack.Power
Use the power port , if available, to connect your computer to AC power using a MagSafe cable or adapter. This port isn’t available on newer Mac notebook computers, which use Thunderbolt 3 or USB-C for power and charging. Learn more about power adapters and cables for Mac notebook computers.Dvi Port MacLearn more
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