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4K UHD over HDMI is now possible thanks to VESA updating DisplayPort Dual-Mode

VESA makes an update to DisplayPort Dual-Mode, allows 4K UHD over HDMI.

@anthony256
Published Fri, Feb 1 2013 6:29 PM CST   |   Updated Tue, Nov 3 2020 12:25 PM CST

VESA have officially updated their DisplayPort Dual-Mode 1.1 standard which paves the way for better performance, higher resolutions and increased interoperability when using HDMI and DVI ports through a cable or an adapter.

4K UHD over HDMI is now possible thanks to VESA updating DisplayPort Dual-Mode | TweakTown.com

When using Dual-Mode, DisplayPort will be capable of outputting an additional HDMI/DVI-compatible signal alongside its expected DisplayPort link. What this will allow is connectivity for HDMI and DVI-capable devices without the need for cables or converters featuring active electronics. Current DisplayPort Dual-Mode converters/adapters are limited by an output maximum of 1080p @ 60Hz with 24-bit color.

This update to DisplayPort Dual-Mode would allow HDMI 1.4 to be quite versatile, handling deep-color, 3D 1080p @ 60Hz and 4K UHD (2160p) @ 30Hz, all through a single cable. These improvements are thanks to a near doubling in the Transitional-Minimized Differential Signal (TMDS) rate, which has been ramped up from 165MHz to 300MHz.

The new standard for DisplayPort adapters and cables will be known as "Type 2", while previous-generation devices, cables and adapters will be labeled as "Type 1". Type 2 adapters will be backwards compatible, but the performance of these adapters would be locked at 165MHz for compatibility reasons. There will be some cases where a software update might be available which would allow Type 1 devices to take advantage of Type 2 features and performance.

NEWS SOURCE:techspot.com

Anthony is a long time PC enthusiast with a passion of hate for games built around consoles. FPS gaming since the pre-Quake days, where you were insulted if you used a mouse to aim, he has been addicted to gaming and hardware ever since. Working in IT retail for 10 years gave him great experience with custom-built PCs. His addiction to GPU tech is unwavering.

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