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Topic: Extended display identification data

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EDID

VESA Display Data Channel

VESA

DVI connector

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	Extended display identification data - Wikipedia, the free encyclopedia
		EDID structure 1.0 was defined in 1994; version 1.1 followed in 1996, then 1.2, and 1.3 in 2000.
		The combination of EDID and I²C is called the display data channel version 2, or DDC2.
		The EDID is often stored in the monitor in a memory device called a serial PROM (programmable read-only memory) or EEPROM (electrically erasable PROM) that is compatible with the I²C bus.
	en.wikipedia.org /wiki/EDID (939 words)

	Display Data Channel - Wikipedia, the free encyclopedia
		The Display Data Channel or DDC is a digital connection between a computer display and a graphics adapter that allows the display to communicate its specifications to the adapter.
		The DDC link is carried on three pins – data, clock and ground – in a 15-pin VGA connector, a DVI connector or an HDMI connector.
		The data in the monitor's ROM is held in a standard format called EDID (for Extended Display Information Data).
	en.wikipedia.org /wiki/Display_Data_Channel (332 words)

	Matrox Graphics - Display resolution guide
		Display resolution – alternatively referred to as "display area", "screen area", "screen resolution", and "monitor resolution" – is an important consideration when choosing a monitor or graphics hardware.
		Extra displays are appropriate when information is easily divided (for example, when viewing different windows), but increasing the resolution of a display is more appropriate when large amounts of information need to be kept together (for example, when map viewing).
		At lower resolutions, display scaling may occur and, as a result, the screen image may appear blurry because the selected display resolution is resized (and filtered) to fit on the screen.
	www.matrox.com /mga/workstation/3dws/products/resolution.cfm (2013 words)

	Digital Visual Interface Encyclopedia Articles @ ColorFool.com (Color Fool) (Site not responding. Last check: 2007-10-23)
		When the display is driven at its native resolution, all it has to do is read each number and apply that brightness to the appropriate pixel.
		In this way, each pixel in the output buffer of the source device corresponds directly to one pixel in the display device, whereas with an analog signal the appearance of each pixel may be affected by its adjacent pixels as well as by electrical noise and other forms of analog distortion.
		The data format used by DVI is based on the PanelLink serial format devised by the semiconductor manufacturer Silicon Image Inc. This uses Transition Minimized Differential Signaling (TMDS).
	www.colorfool.com /encyclopedia/Digital_Visual_Interface (1260 words)

	Glossary of Data Acquisition and Computer Terms
		Asynchronous: A method of serial communication where data is sent when it is ready without being referenced to a timing clock, rather than waiting until the receiver signals that it is ready to receive.
		Buffer: A storage area for data that is used to compensate for the speed difference when transferring data from one device to another.
		Interlacing: a display method on a raster scan monitor that scans each even number scan line of the screen in one sweep of the screen, and the odd-numbered scan lines on the next sweep.
	www.cyberresearch.com /content/static/glossary.aspx (5456 words)

	FAQs - Fusion 900 Display
		The workstation where you want to display your application must be specified by either the -display command line option or by setting the DISPLAY variable in your shell environment.
		If your display devices are the standard VGA type displays, using the HD15 connector, you will need to use the supplied adapters.
		This feature is achieved by the display adapter communicating with the display device using the VESA Display Data Channel (DDC) and the Extended Display Identification Data (EDID).
	www.jupiter.com /Support/FAQs/FAQs900-Display-Linux.htm (827 words)

	[No title]
		EDID lets other devices ask the display about what resolutions and scan rates it supports and also its native, or preferred, resolution.
		By contrast, with a DVI display, the device generating the HD signal knows beforehand what resolutions the display supports so it should be considerably harder to select an invalid video-output resolution.
		If the display is able to pass these tests, then you can feel relatively confident that the display's HDCP functionality is robust and therefore it is safe to purchase.
	www.emedialive.com /Articles/PrintArticle.aspx?ArticleID=8498 (2404 words)

	EDID - Webopedia.com
		Extended Display Identification Data is a VESA standard data format that contains basic information about a monitor and its capabilities, including vendor information, maximum image size, color characteristics, factory pre-set timings, frequency range limits, and character strings for the monitor name and serial number.
		The information is stored in the display and is used to communicate with the system through a Display Data Channel (DDC), which sites between the monitor and the PC graphics adapter.
		The latest version of EDID (version 1.3) can be used in CRT displays, LCD displays, and future display types because EDID offers general descriptions of almost all display parameters.
	itmanagement.webopedia.com /TERM/E/EDID.html (128 words)

	Portrait Displays, Inc. - Display Tune - Clear Advantages Whitepaper
		Windows Plug-and-Play is able to use the Extended Display Identification Data (EDID) generated by the monitor’s controlling circuitry to set the graphics adapter card’s settings so that a visible image is displayed without any user intervention.
		And the fact that Display Tune is both customizable and extensible through plug-ins puts the monitor manufacturers in control of what features they want to offer their customers, and how these features will appear on the screen.
		Display Tune hides all the complexity of MCCS and the DDC/CI behind a simple Windows application that is easy to use.
	personalcomputing.portrait.com /de/products/dt_clear_advantages.html (1682 words)

	Gefen DVI Detective: $61.95
		Once installed and connected, the DVI Detective continually transmits the EDID to the computer, essentially "tricking" the computer into thinking that the video is present, even when it is not connected.
		The user can then disconnect the display, place it in a remote location and reconnect it, without rebooting the operating system.
		EDID - Extended Display Identification Data is a VESA standard data format that contains basic information about a monitor and its capabilities, including vendor information, maximum image size, color characteristics, factory pre-set timings, frequency range limits, and character strings for the monitor name and serial number.
	sewelldirect.com /gefendvidetective.asp (150 words)

	EVGA \| Community
		DVI as a technology was officially released on 2 APR 1999; and was developed in response to the proliferation of digital flat-panel displays that were beginning to enter the market.
		DDC is a standard communications channel between the display adapter and monitor.
		EDID is a standard data format contraining monitor information such as vendor information, monitor timing, maximum image size, and color characteristics.
	www.evga.com /articles/public.asp?AID=153 (757 words)

	Pixa Inc (Site not responding. Last check: 2007-10-23)
		Plasma display technology is a new "emmissive" flat panel display technology which gives you the rich, accurate color fidelity of conventional Cathode Ray Tube (CRT) monitors in a large display that is thin enough to hang on the wall.
		Overall, LCD is great for displays 28-inches and smaller, and plasma is ideal where 32-inches or larger display is needed.
		Another interesting feature, that is not used by current displays or cards, is the ability for the card to only send new data to the monitor when the individual pixels to be displayed change state.
	www.pixainc.com /html/faq.html (1478 words)

	Kramer Electronics - Press Release - Kramer DVI Distribution Amplifier Communicates
		EDID is the information that DVI displays send to the PC as a handshake to identify its parameters, the most important of which is the resolution.
		An EDID handshake upon power up is required in any DVI system or the PC will not send out a signal.
		The VM-4DVI has buttons on the front panel that are coupled with LED’s which allow the user to select the most significant display in their system and to read and store that display’s EDID information.
	www.kramerelectronics.com /news_full_story.asp?iNews=135 (439 words)

	VESA Standards Summaries
		The EDID 1.3 data structure is intended to be backward compatible with EDID data structures 1.0, 1.1 and 1.2 as implemented in all commercially available monitors.
		EDID data structure 1.3 contains enhancements to enable the Dual GTF curve concept.
		Use of EDID extensions described in this document assumes that the addressing method described in the Enhanced DDC document is used.
	www.vesa.org /Standards/summary/2000_2.htm (102 words)

	Advanced Timings
		Display Monitor Timings (DMT) are a list of VESA standard pre-defined timings which are commonly used within the Computer industry.
		EDID Timing is the preferred timing standard defined by the display's Extended Display Identification Data (EDID) value.
		EDID is a standard data structure that defines the display device's configuration data and mode support which allows optimum use of the display
	www.nvidia.com /object/advanced_timings (504 words)

	3M MDR Interconnect System Meets New Standards for Digital Flat Panel Displays, Including New VESA Standard
		Data rates are increasing to the point that the electrical performance of the total interconnect system is very important.
		At these high data rates, connectors and cables must be considered part of the transmission line and their electrical performance is very important.
		These standards include DDC2B (Display Data Channel 2B), EDID (Extended Display Identification Data), and VESA Plug and Play (P&D) for the electrical layer.
	www.prnewswire.com /cgi-bin/stories.pl?ACCT=104&STORY=/www/story/05-13-1999/0000938533&EDATE= (423 words)

	Install a touchscreen for Linux (Site not responding. Last check: 2007-10-23)
		Touchscreens are display overlays that allow a display to be used as an input device, removing the keyboard and/or the mouse as the primary input device for interacting with the display's content.
		The information is stored in the display and is used to communicate with the system through a Display Data Channel (DDC), which rests between the monitor and the PC graphics adapter.
		The latest version of EDID can be used in CRT displays, LCD displays, and future display types because EDID offers general descriptions of almost all display parameters.
	www.ibm.com /developerworks/library/l-playscreen/index.html?ca=drs-tp4905 (2438 words)

	Introduction--Monitor Technology Guide (Site not responding. Last check: 2007-10-23)
		DDC/CI An international industrial standard by the name of Display Data Channel/Command Interface (DDC/CI) was developed by VESA (Video Electronics Standards Association) to expand upon an existing DDC standard.
		All data are transmitted in both directions via the video graphics card and the standard VGA or DVI signal cable.
		Depending on the input signal, lighting, condition, age or orientation of a particular monitor, adjustments, such as brightness, contrast, position or color sometimes need to be made to the display settings in order to achieve optimal viewing.
	www.necdisplay.com /support/css/monitortechguide/index06.htm (879 words)

	Computer and Networking Hardware Dictionary - E
		Extended Data Out Dynamic Random Access Memory (EDO DRAM) is faster than conventional DRAM, because EDO DRAM can start fetching the next block of memory at the same time that it sends the previous block to the CPU.
		Electroluminescent display (ELD) is a technology to produce a type of a flat-panel display, used in some portable computers.
		Extended Memory 64-bit Technology (EM64T) is Intel's implementation of AMD64, a 64-bit extension to the IA-32 architecture.
	www.networkdictionary.com /hardware/e.php (1919 words)

	E
		An EA is viewed as an untyped name-value pair that is defined by the user to describe extended information about a file.
		For example, a picture that measures 2 inches by 4 inches on a VGA display and that is stored in an EMF maintains these original dimensions, regardless of the printer's resolution.
		A format that lets the display supply the host with information about its identity and capabilities independent of the communications protocol used between the monitor and host.
	www.osronline.com /ddkx/gloss/glossary_3bfr.htm (795 words)

	EBN MacLellan 2
		Without a common blueprint, PC manufacturers were left to choose between dozens of similar but incompatible displays for their notebook lines.
		The new electrical-interface standard defines the I/O and backlight connectors, the use of LVDS (low-voltage differential signaling), Enhanced Extended Display Identification Data (EEDID), and the PC '99 version of the display-data-channel interface, as well as pin assignments and power sequencing.
		The SPWG is eventually expected to cede the standard to an independent industry association, possibly VESA, according to Young, who said future versions of the specification may address timing issues and the use of a standard integrated inverter.
	www.spwg.org /ebn_article3.htm (472 words)

	Extron Electronics Glossary of Terms
		The impact of echo suppression is usually to limit data transmission to one direction at a time.
		A communications protocol or instruction set developed by VESA (Video Electronics Standards Association) for the identification of display devices to computers using the DDC (Display Data Channel) transmission standard.
		A device that can store information (instructions or data) and retain it when power is removed.
	www.extron.com /technology/glossary.asp?id=E (725 words)

	DVI Detective
		The "DVI Detective" is a device that reads and stores a computer's digital video information (EDID) in order to simplify the installation process for users who are extending a digital projector or plasma display away from the computer.
		An inconspicuous device that weighs less than three pounds, the DVI Detective connects to the ADC or DVI port on one side, and to a DVI extension module or cable on the other.
		It works with all digital displays (DVI) as well as Apple's line of flat panel displays (ADC).
	www.svideo.com /ext-dvi-edid.html (325 words)

	DVI HDMI Cables FAQ - Common Questions Answered (Site not responding. Last check: 2007-10-23)
		The only drawback of digital transmission technology is that the data being transferred can only maintain full fidelity for about 5 meters with DVI and about 15 meters for HDMI.
		This value is then serialized and sent to the receiver where the data is de-serialized and converted back to eight bits.
		If at any time they believe a set of secret keys has been compromised by an unauthorized source, those keys are placed on a revocation list and new keys are provided to devices authorized by license.
	www.dvihdmicables.com /dvi_hdmi_faq.htm (813 words)

	Digital Visual Interface - Biocrawler (Site not responding. Last check: 2007-10-23)
		However, in digital displays, instead of a scanning beam there is an array of pixels and a single brightness value must be chosen for each.
		The data format used by DVI is based on the PanelLink™ serial format devised by the semiconductor manufacturer Silicon Image Inc. This uses Transition Minimized Differential Signaling.
		Apple Computer's 30-inch Cinema HD Display was one of the first displays to use this connector, as its highest resolution was 2560 x 1600, which is well over 4 million pixels.
	www.biocrawler.com /w/index.php/Digital_Visual_Interface (1087 words)

	Glossary of Terms
		Direct View- Type of display viewed on the electronic display device itself as opposed to projected onto a passive screen or through a passive lense.
		EDID- Extended Display Identification Data is a standard VESA format allowing a monitor to communicate its own basic information enabling for better performance.
		Plasma Display- Digital display type where each pixel on the screen is illuminated by charged particles in the liquid plasma portion of it.
	www2.dvigear.com /glofte.html (698 words)

	Mobile System Displays and Windows: Version 1.2c
		For example, Windows supports using the EDID preferred mode bit, which can be used to automatically set the display resolution to the native display mode for the attached panel.
		To the display adapter, any TV outputs are the same device, so a single ID is specified to avoid confusion.
		In order to minimize the amount of work necessary, all the normally required data in an EDID is not required.
	www.microsoft.com /whdc/device/display/mobiledisplay.mspx (1131 words)

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