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a b c d e f g h i j k l m n o p q r s t u v DisplayPort Standard, Version 1, Revision 2, Video Electronics Standards Association (VESA), 5 January 2010 Not all DisplayPort cables are capable of functioning at the highest levels of bandwidth. Cables may be submitted to VESA for an optional certification at various bandwidth levels. VESA offers four levels of cable certification: Standard, DP8K, DP40, and DP80. [41] :§4.1 These certify DisplayPort cables for proper operation at the following speeds: DisplayPort-to-DVI and DisplayPort-to-HDMI adapters/cables may or may not function from an MST output port; support for this depends on the specific device. [ citation needed] DisplayPort version 1.2a was released in January 2013 [15] and may optionally include VESA's Adaptive Sync. [16] AMD's FreeSync uses the DisplayPort Adaptive-Sync feature for operation. FreeSync was first demonstrated at CES 2014 on a Toshiba Satellite laptop by making use of the Panel-Self-Refresh (PSR) feature from the Embedded DisplayPort standard, [17] and after a proposal from AMD, VESA later adapted the Panel-Self-Refresh feature for use in standalone displays and added it as an optional feature of the main DisplayPort standard under the name "Adaptive-Sync" in version 1.2a. [18] As it is an optional feature, support for Adaptive-Sync is not required for a display to be DisplayPort 1.2a-compliant. DisplayPort has historically had higher bandwidth than the HDMI standard available at the same time. The only exception is from HDMI 2.1 (2017) having higher transmission bandwidth @48 Gbit/s than DisplayPort 1.3 (2014) @32.4 Gbit/s. DisplayPort 2.0 (2019) retook transmission bandwidth superiority @80.0 Gbit/s.
DisplayPort version 1.4a was published in April 2018. [25] VESA made no official press release for this version. It updated DisplayPort's DSC implementation from DSC 1.2 to 1.2a. [26] 2.0 [ edit ] Can drive display panels directly, eliminating scaling and control circuits and allowing for cheaper and slimmer displays The stipulation that the DP_PWR wire be omitted from standard DisplayPort cables was not present in the DisplayPort 1.0 standard. However, DisplayPort products (and cables) did not begin to appear on the market until 2008, long after version 1.0 had been replaced by version 1.1. The DisplayPort 1.0 standard was never implemented in commercial products. [46] Resolution and refresh frequency limits [ edit ] The transmission mode used by the DisplayPort main link is negotiated by the source and sink device when a connection is made, through a process called Link Training. This process determines the maximum possible speed of the connection. If the quality of the DisplayPort cable is insufficient to reliably handle HBR2 speeds for example, the DisplayPort devices will detect this and switch down to a lower mode to maintain a stable connection. [8] :§2.1.1 The link can be re-negotiated at any time if a loss of synchronization is detected. [8] :§1.7.3 Color depth of 8 bpc (24 bit/px or 16.7 million colors) is assumed for all formats in these tables. This is the standard color depth used on most computer displays. Note that some operating systems refer to this as "32-bit" color depth—this is the same as 24-bit color depth. The 8 extra bits are for alpha channel information, which is only present in software. At the transmission stage, this information has already been incorporated into the primary color channels, so the actual video data transmitted across the cable only contains 24 bits per pixel.Rankie DisplayPort cable is very compatible with the users as it can be used for all kinds of devices. People mainly use this cable to connect PCs, laptops, projectors, and HD monitors. DisplayPort Alternate Mode for USB Type-C Announced– Video, Power, & Data All Over Type-D". anandtech.com . Retrieved 14 October 2014. The cable is compatible with all DisplayPort interfaces like HD monitors, projectors, MacBook, etc.
DisplayPort 2.1 has tightened its alignment with the USB Type-C specification as well as the USB4 PHY specification to facilitate a common PHY servicing both DisplayPort and USB4. In addition, DisplayPort 2.1 has added a new DisplayPort bandwidth management feature to enable DisplayPort tunneling to coexist with other I/O data traffic more efficiently over the USB4 link. VESA DisplayPort Alternate Mode on USB-C– Technical Overview" (PDF). USB Implementers Forum. 28 September 2016. Moritz Förster (16 September 2014). "VESA veröffentlicht DisplayPort 1.3". heise online . Retrieved 27 January 2016.This is one of the most appropriate cables for transferring high-quality videos with crystal-clear audio from any PC or gaming monitor. Although DisplayPort has much of the same functionality as HDMI, it is a complementary connection used in different scenarios. [70] [71] A dual-mode DisplayPort port can emit an HDMI signal via a passive adapter. In addition, individual devices may have their own arbitrary limitations beyond transmission speed. For example, NVIDIA Kepler GK104 GPUs (such as the GeForce GTX 680 and 770) support "DisplayPort 1.2" with the HBR2 transmission mode, but are limited to 540 Mpx/s, only 3⁄ 4 of the maximum possible with HBR2. [49] Consequently, certain devices may have limitations that differ from those listed in the following tables. However, transmission mode support is not necessarily dictated by a device's claimed "DisplayPort version number". For example, older versions of the DisplayPort Marketing Guidelines allowed a device to be labeled as "DisplayPort 1.2" if it supported the MST feature, even if it didn't support the HBR2 transmission mode. [47] :9 Newer versions of the guidelines have removed this clause, and currently (as of the June 2018 revision) there are no guidelines on the usage of DisplayPort version numbers in products. [48] DisplayPort "version numbers" are therefore not a reliable indication of what transmission speeds a device can support. Anbear Gold-plated DisplayPort cable is another recommended option for connecting your PC to an HD monitor or a projector for enhanced gaming and streaming facilities. This is usually a male-to-male DisplayPort cable.
VESA DisplayPort (DP) Standard, Version 2.0". Video Electronics Standards Association (VESA). 26 June 2019. HBR3 (High Bit Rate 3): 8.10 Gbit/s bandwidth per lane (810 MHz link symbol rate), introduced in DP 1.3 A more important feature of DisplayPort 1.4 is the introduction of Display Stream Compression 1.2 support (DSC). As a visually lossless encoding technique, DSC is a fantastic way to get more for your cabling and with DisplayPort 1.4 and DSC, you can support 4K at up to 120Hz with 30-bit/px color and HDR-enabled, or 8K at up to 60Hz. DisplayPort cables differ in their transmission speed support. DisplayPort specifies seven different transmission modes (RBR, HBR, HBR2, HBR3, UHBR 10, UHBR 13.5, and UHBR 20) which support progressively higher bandwidths. Not all DisplayPort cables are capable of all seven transmission modes. VESA offers certifications for various levels of bandwidth. These certifications are optional, and not all DisplayPort cables are certified by VESA.The host system's software also needs to support MST for hubs or daisy-chains to work. While Microsoft Windows environments have full support for it, Apple operating systems currently do not support MST hubs or DisplayPort daisy-chaining as of macOS 10.15 ("Catalina"). [55] [56] One can easily connect the cable to its monitor with older versions. This makes the Club3D-2068 DisplayPort 1.4 cable reliable to all customers. The company said it also supports MST or Multi-stream Technology; this cable also has a great refresh speed. So no hesitation, it is best for gamers; you can use it for high graphics monitors. AMD's Eyefinity Technology Explained". Tom's Hardware. 28 February 2010 . Retrieved 23 January 2012.
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