What is Eyefinity technology?

Expand your gaming, work and entertainment horizons with advanced ATI Eyefinity multi-display technology to open up new areas of all-round computing. By introducing AMD’s new GPUs for the next generation of DirectX® 11, ATI Eyefinity technology with DisplayPort connectivity enables a single GPU to simultaneously support up to six independent display outputs. Improve day-to-day productivity and make multitasking easier by dramatically expanding the visual workspace. Enrich your gaming experience with a super-realistic gaming environment and expand your entertainment landscape with stunning views. ATI Eyefinity’s multi-display technology is simple to configure, flexible to upgrade, and innovative graphics capabilities that help break through visual limitations and add a new “surrounding vision” to your PC experience.

Mouth and full-spread 3D applications, images and videos are expanded to multiple displays as a desktop workspace. Advanced ATI Eyefinity multi-display technology supports copy mode operation (cloning computer desktops to multiple monitors) and extended mode (extending computer desktops to multiple monitors) with full operating system support, including Windows® 7, Windows Vista® and Linux.


A very attractive feature of AMD Radeon HD5000 series graphics card is Eyefinity multi-screen output technology, which breaks the traditional dual-head 2D output mode of the graphics card, allowing gamers to use the stunning three-screen, five-screen or even six-screen display. , greatly increased the visual experience of the game. However, Eyefinity technology has a major limitation, that is, at least one display with DisplayPort interface must be used in order to form a display configuration with more than three screens. As far as the current situation is concerned, there are not many monitors equipped with DisplayPort interface, even if it is valuable, which undoubtedly raises the threshold for users to set up the Eyefinity platform.


In order to reduce the threshold for HD5000 users to set up multi-screen systems, AMD and its AIB partners have introduced a dedicated DisplayPort to DVI adapter. With this small accessory, users can implement Eyefinity multi-screen output on displays with DVI only interface. It is. That is to say, three ordinary LCDs with only DVI interfaces can also form a three-screen system through the HD5000.
In fact, there have been a lot of DP to DVI adapters before, but after using this adapter, the display does not support Eyefinity technology. Why is this?
Why is the normal passive DP-DVI adapter not available?
The secret of the Radeon HD5000 series supporting multi-screen display is its output module. The high-end Cypress core has 6 display channels, and the mid-end Juniper core has 5 display channels. These channels can be designed in various combinations to connect various types. display screen.


Among them, DVI and HDMI go with the traditional 165MHz TMDS channel, while DP uses a new transmission format, and the bandwidth is even larger than the 340MHz high frequency TMDS. In order to make the HD5000 series compatible with all displays on the market and support the top resolution of WQXVGA (2560×1600), the HD5000 series must be equipped with at least one DP interface to achieve Eyefinity three/multi-screen output.

If you want to turn on all six display channels, you must use the DP interface all. The native DP interface is not the same as the DVI/HDMI transmission format. If you use the normal passive DP-DVI interface, then the TMDS channel is actually running. The catalyst driver cannot detect the DP output of the graphics card. Therefore, when you set up Eyefinity, The prompt failed.

Therefore, you must use the active DP-DVI adapter with chip to enable the HD5000 graphics card to correctly display the data through the DP channel, in order to activate Eyefinity technology and set up a three-screen system.
Single-channel DP-DVI adapters are available at a very affordable price
Passive DP-DVI adapters are available in the market, and the price is relatively cheaper about 50 yuan, but it is essentially a compatible TMDS channel. There is another active adapter with a chip inside that can convert the DP “lossless” into a Dual-Link DVI interface that supports 2560×1600 resolution, but the adapter is very expensive.


Now, the active single-link DVI adapter comes. STC-Cable.com launched the DP-DVI active adapter (Active Mini DisplayPort to DVI Adapter/Active Displayport to HDMI Adatper Cable/Active Mini Displayport to HDMI Adapter 4K/DisplayPort to VGA Active Adapter/Mini DisplayPort to VGA Active Adapter). Compared to Apple’s dual-link adapter, its power consumption and complexity are greatly reduced: only one half of the TMDS transmitter is required to drive a single-link DVI interface, and the power required to connect a DP interface after hardware simplification is only 3.3V@500mA, no USB auxiliary power supply required.

Most importantly, the price of active single link adapters has also decreased. According to AMD estimates, the active single-link DVI adapter is the cheapest at around $30. Of course, it can never be cheaper than a passive adapter, but it can already greatly reduce the cost of building a multi-screen system.
Both DP and Mini-DP can be transferred to DVI
Also this adapter also supports standard mini-DP and two forms of Mini-DP interface former is common in normal desktop video card, which is commonly used in laptops and Radeon HD 5870 Eyefinity 6 graphics card and other special.
Of course, single-link DVI means that the maximum resolution of each display can only reach 1920×1200, which is much lower than the 2560×1600 supported by dual-link DVI, but for multi-screen systems with higher system resource requirements, The former is basically enough. Tests show that the active single-link DVI adapter works fine and can drive a 3×1920×1200 Eyefinity system.
Active DP-DVI is the perfect partner for Eyefinity
AMD and its AIB partners are aware of this limitation of Eyefinity technology and understand that there are not enough monitors on the market to support DP, so we are beginning to address this weakness. As a result, multi-screen users no longer have to force the use of displays with DP. In contrast, the active adapter of 200 yuan is much cheaper than the high-end DP display.


The active single-link DP-DVI interface is compatible with almost all common DVI displays on the market, so users can purchase them with confidence.

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Post time: Jan-21-2019
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