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Matrox Corona Installation And Hardware Reference

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Matrox Corona
Installation and Hardware Reference
Manual no. 10572-MN-0150
August 13, 1998

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  • Page 1 Matrox Corona Installation and Hardware Reference Manual no. 10572-MN-0150 August 13, 1998...
  • Page 2 © Copyright Matrox Electronic Systems Ltd., 1998. All rights reserved. Disclaimer: Matrox Electronic Systems Ltd. reserves the right to make changes in specifications at any time and without notice. The information provided in this document is believed to be accurate and reliable.

  • Page 3: Table Of Contents

    ......9 Matrox Corona ......10 Acquisition features .
  • Page 4 Installing the software ....32 Matrox Intellicam ..... . 32 Chapter 4: MGA Display Properties and MGA .
  • Page 5 Data interfaces ......59 Matrox Video Interface ASIC ... .59 PCI interface .
  • Page 6 Problems running DOS programs ..67 Problems during application development . 67 Contacting Matrox ..... 68 Appendix B: Technical information .
  • Page 7 ......89 Appendix C: Glossary Index Customer support This document does not explicitly refer to Matrox Corona-LC because, in general, any discussion of Matrox Corona also applies to Matrox Corona-LC.

  • Page 9: Chapter 1: Introduction

    Chapter 1: Introduction This chapter outlines the key features of Matrox Corona.

  • Page 10: Matrox Corona

    Chapter 1: Introduction Matrox Corona Matrox Corona is a single-slot PCI frame grabber board, capable of acquiring images from standard NTSC/PAL, component RGB, and non-standard area scan devices. Images can be transferred simultaneously, in real time, to Host system (your PC) memory for processing and to the on-board image frame buffer for “video-in-a-window”...

  • Page 11: Acquisition Features

    Matrox Corona Matrox Corona-LC A lower cost derivative of Matrox Corona is Matrox Corona-LC. It can be used for applications that do not require component RGB acquisition, digital video input, variable scan, or asynchronous reset operation. Matrox Corona-LC has all the other features and options of a fully configured Matrox Corona board.

  • Page 12: Display Features

    2-Mbyte WRAM overlay frame buffer. With dual 4-Mbyte buffers, Matrox Corona can deliver a 24-bit color image display with a 24-bit color overlay at up to resolutions of 1280x1024. When true-color overlay is not a requirement, Matrox Corona is capable of a 1600x1200 resolution at vertical refresh rates of 85 Hz.
  • Page 13 Matrox VIA has a 32-bit wide, master/slave PCI Host interface. When in bus master mode, Matrox VIA can perform transfers without requiring continuous Host intervention. Matrox VIA uses a 2 Mbyte temporary buffer to prevent loss of data during long PCI latencies, encountered in heavily loaded systems.

  • Page 14: Software

    Chapter 1: Introduction Software You can purchase one or more of the Matrox Imaging software packages that support Matrox Corona. These are MIL and its derivatives (MIL-Lite, ActiveMIL-Lite, and Matrox Inspector). MIL is a development library with commands for image acquisition, transfer, display control, and image processing applications.

  • Page 15: What You Need To Get Started

    What you need to get started What you need to get started To begin using Matrox Corona, you need the following: PC with a PCI bus and a Pentium processor or better. When running Windows 95, 16 Mbytes of RAM are required;...

  • Page 16: Inspecting The Matrox Corona Package

    Note that optional parts will only be included if ordered. If something is missing or damaged, contact your Matrox representative. If you ordered Matrox Corona, you should receive the following items: The Matrox Corona board, with a PCI board retainer attached.

  • Page 17: Handling Components

    VMChannel connectors (interconnect kit GEN-BUS/#). Handling components The electronic circuits in your computer and the circuits on Matrox Corona are sensitive to static electricity and surges. Improper handling can seriously damage the circuits. Drain static electricity from your body by touching a metal fixture (or ground) before you touch any electronic component.

  • Page 18: Installation Overview

    3. Familiarize yourself with the MGA PowerDesk by reading Chapter 4. More information For information on using multiple Matrox Corona boards, refer to Chapter 5, and for hardware information, refer to Chapter 6. For technical specifications and connector pinout descriptions, see Appendix B.

  • Page 19: Chapter 2: Hardware Installation

    Chapter 2: Hardware installation This chapter explains how to install the Matrox Corona board in your PC.

  • Page 20: Installing Matrox Corona

    2. Check that you have an empty PCI (32-bit) slot that can accept a full length board. If you do not have an empty slot, remove a PCI board from your system to make room for your Matrox Corona board and take note of the slot number you choose. Caution Some computers have a large, black-ridged heat sink that prevents long boards from using most PCI board slots.
  • Page 21 Installing Matrox Corona 4. Before you install your board, ensure that the DIP switches are set properly. The default settings are as follows: 5. Lower the board gently into the slot, sliding the PCI board retainer between the guides (see figure).

  • Page 22: Choosing Your Display Configuration

    Choosing your display configuration Matrox Corona can be used as the VGA for your system. If you want to use Matrox Corona as your VGA for single screen or multi-head display mode, set DIP SW1 position 2 to off. Any VGAs that are not being used in these modes should be disabled.

  • Page 23: Installing The Companion Digital-Input Board

    Installing the companion digital-input board Installing the companion digital-input board To install the Matrox Corona companion digital-input board: 1. Attach the ribbon cable to the backplane. Note that although either end of the cable is physically capable of being attached to the backplane, pin 1 of the cable connector must align with pin 1 of the backplane pins.
  • Page 24 3. Install the actual board in either an ISA or PCI slot, following the procedure detailed for a Matrox Corona board. Note that the board is factory-assembled to be used in an ISA slot (attached to an AT bracket). To install the companion digital-input board in a PCI slot, replace the “AT”...
  • Page 25 Installing the companion digital-input board A board installed in an PCI slot should look like this: digital interface connector flat ribbon cable Matrox Corona stripe Matrox Corona companion video input digital-input board (PCI slot) connector video output connector digital video input connector...

  • Page 26: Connecting External Devices

    Chapter 2: Hardware installation Connecting external devices Matrox Corona has 5 external interface connectors of which two are located on its bracket. Digital interface connector. A 70-pin connector to which you can attach the companion digital-input board using the Matrox Corona digital module backplane. You can also attach the digital interface connector to the Grab Port II connector on Matrox Genesis boards using a backplane.

  • Page 27: Outputting To External Video Devices

    Connecting a monitor Matrox Corona works with VGA and high-resolution monitors. To display the standard video output of Matrox Corona: 1. If your monitor has impedance switches, set the switches for the red, green, and blue inputs to 75 ohms, as shown in the illustration below.

  • Page 28: Attaching A Video Input

    Purple BLUE_COMP_OUT Encoded Video Output (CVBS or blue). Attaching a video input Matrox Corona supports a wide variety of analog and digital video sources. Analog video input Attach analog video sources to Matrox Corona’s video input connector, using the optional DBHD44-TO-8BNC cable. Five of the cable’s eight BNC connectors are used for input.

  • Page 29: Connecting Matrox Corona To Other Boards

    VMChannel interfaces to connect the boards. Connecting to the power supply To use Matrox Corona as your acquisition board and the power supply for your camera: 1. Use the 4-pin power cable to connect the camera supply connector to the power supply in the computer.
  • Page 30 Chapter 2: Hardware installation...

  • Page 31: Chapter 3: Installing Software

    Chapter 3: Installing software This chapter explains how to install the Matrox Corona software.

  • Page 32: Installing The Software

    When installing the software, you can choose to install the MGA WIN NT or MGA WIN 95 display driver. If you are using Matrox Corona as the VGA under Windows NT or Windows 95, you should install the display driver. After the display driver is...

  • Page 33: Chapter 4: Mga Display Properties And Mga Powerdesk

    Chapter 4: MGA Display Properties and MGA PowerDesk This chapter provides information about the MGA Display Properties utility, as well as the MGA PowerDesk group.

  • Page 34: Overview

    Chapter 4: MGA Display Properties and MGA PowerDesk Overview The display section of Matrox Corona is powered by the Matrox MGA 2164W (used on MGA Millennium-II) graphics display controller. As a result, Matrox Corona uses the MGA display drivers to drive the display section. In addition, the MGA PowerDesk tools work with Matrox Corona.

  • Page 35: Mga Display Properties

    MGA Display Properties MGA Display Properties You can launch the MGA Display Properties utility from the Control Panel, from the context menu of your desktop, or from the menu options presented upon clicking the MGA QuickDesk icon. Upon launching the utility, the MGA Display Properties dialog box appears.

  • Page 36: Specifying Your Monitor

    Chapter 4: MGA Display Properties and MGA PowerDesk When enabled, bitmaps are stored in the Matrox Corona’s overlay (VGA) frame buffer (off-screen) instead of being stored in the Host memory (RAM). MGA PowerDesk. This property sheet allows you to assign hot keys.
  • Page 37 MGA Display Properties Multiple display boards Note that if you have more than one display board, the MGA Monitor property sheet lists all of the boards. Select the board number for the monitor you wish to configure, and then select a monitor. 3.

  • Page 38: Desktop Features

    Chapter 4: MGA Display Properties and MGA PowerDesk Desktop features The MGA PowerDesk The MGA PowerDesk group contains the following programs: group MGA Desktop Navigator: Provides zoom and CenterWINDOW options. MGA QuickDesk: Gives you direct access to some of the major features of MGA PowerDesk.

  • Page 39: Centerpopup

    Desktop features Note that in a multiple-head configuration, repeatedly pressing the CenterWINDOW hot key will cause the currently active window to be centered on one screen, then on the next, then on the other, etc. CenterPOPUP CenterPOPUP ensures that every pop-up error message or warning dialog box appears centered on the screen.

  • Page 40: Panlock

    The PixelTOUCH hot key does not work in a DOS shell. Acceleration features The option Device Bitmaps when enabled, stores bitmaps in the Matrox Corona’s overlay (VGA) frame buffer (off-screen) instead of the RAM on your PC (Host RAM). The Device Bitmaps option has been proven to improve performance when used with some applications.

  • Page 41: Mga Uninstall Program

    MGA Uninstall Program MGA Uninstall Program The MGA Uninstall Program allows you to disable or remove all or part of the MGA Windows software. When you use this program, all the files you choose to uninstall are deleted from your hard disk, and all entries pertaining to these files are removed from your Windows .ini files.
  • Page 42 Chapter 4: MGA Display Properties and MGA PowerDesk...

  • Page 43: Chapter 5: Using Multiple Matrox Corona Boards

    Chapter 5: Using multiple Matrox Corona boards This chapter explains how multiple Matrox Corona boards can be supported in a single PC.

  • Page 44: Using Multiple Matrox Corona Boards

    PCI slot, taking care that it avoids the CPU heat sink. You can theoretically have as many as 16 Matrox Corona boards installed in your PC at one time; this number is, however, limited by the number of empty slots in your PC and, for simultaneous grabs, by the available bandwidth of your PC.

  • Page 45: Grabbing Simultaneously From Different Boards

    Grabbing simultaneously from different boards You can simultaneously grab images from cameras attached to different Matrox Corona boards. To grab at exactly the same time, the cameras must be genlocked (synchronized) and their camera definition formats must be the same.

  • Page 46: Number Of Cameras Per Board

    430VX, 430TX, 440FX, 440LX, or 440BX. If a high performance chipset is used, you should not have any PCI bandwidth problems when transferring a full-sized image from a Matrox Corona in real-time. However, when using multiple Matrox Coronas and transferring more than one image simultaneously you might encounter PCI bandwidth problems.

  • Page 47: Chapter 6: Matrox Corona Hardware Reference

    Chapter 6: Matrox Corona hardware reference This chapter explains the hardware architecture of the Matrox Corona, as well as the available features and modes of operation.

  • Page 48: Matrox Corona Hardware Reference

    Chapter 6: Matrox Corona hardware reference Matrox Corona hardware reference This chapter provides information on the hardware architecture of the Matrox Corona, as well as the features and operating modes supported by the board. The chapter is divided into three sections. The first section...

  • Page 49: Acquisition Section

    Acquisition section Acquisition section The acquisition section of the Matrox Corona provides three different methods of capturing images. It uses a video decoder to capture monochrome RS-170/CCIR, composite NTSC/PAL (CVBS), and component NTSC/PAL (Y/C) formats. It uses an RGB digitization section to acquire monochrome or RGB analog video from standard and non-standard cameras.
  • Page 50 MdigAlloc()) with an appropriate DCF (supplied or created). If required, you can make minor adjustments to common acquisition parameters at run time (using MIL-Lite Mdig...() commands). For more specialized adjustments, use the Matrox Intellicam program to adjust the DCF file.

  • Page 51: Video Decoder

    Acquisition section Video decoder A multi-standard video decoder is used to convert analog NTSC or PAL video signals in composite (CVBS) or S-Video (Y/C) format to digitized component video. The decoder supports both the RGB 8:8:8 and YUV16 output formats. Sampling Rates for NTSC/PAL Standards Video format Square Pixels CCIR-601...
  • Page 52 The input low-pass filtering stage is used to limit high frequency noise and aliasing effects at the input of the A/D converter. The filter used on Matrox Corona is a 4th order Butterworth filter with a cutoff frequency of 10 MHz.

  • Page 53: Digital Interface

    Acquisition section The programmable synchronization generator (PSG) allows Matrox Corona to adapt to many video standards. It is required for asynchronous reset modes, progressive scan acquisition, and for management of all other non-standard timings. The PSG also generates synchronization signals when Matrox Corona operates in master mode (discussed later).

  • Page 54: General Synchronization

    RS-422 or EIA-644 (LVDS) format to TTL logic levels. General synchronization Matrox Corona can operate in either slave or master mode. Slave mode In slave mode, the video source provides the synchronization information to Matrox Corona. It can accept one of the...

  • Page 55: Exposure

    -5 V and 0.8 V for low level voltage. Exposure Matrox Corona also has two 16-bit timers (located in the PSG) that are software or hardware re-triggerable. The output of these timers drive the exposure signals. These timers allow you to control the exposure time and other external events related to the video source.

  • Page 56: The Display Section

    64-bit wide memory interface. Image and overlay frame buffers The display section of the Matrox Corona can have a total of 4 or 8 Mbytes of WRAM connected directly to the MGA-2164W graphics display controller and the Rainbow Runner. Half of the memory is dedicated to overlay frame buffer, while the other half is dedicated to the image frame buffer.

  • Page 57: Ramdac

    There is a built-in 3x256x8-bit color look-up table (LUT). In 24-bit or 32-bit pixel mode, it can be applied to either the image data or the overlay data. Note that if Matrox Corona is in 8-bit single-screen mode, under Windows, the LUTs are associated with the overlay frame buffer.

  • Page 58: Mga-Rainbow Runner

    In the display section, an optional factory-installed NTSC/PAL/RGB video encoder provides an additional video output with overlay from Matrox Corona to external video devices (for example, VCRs). The video encoder can be programmed to output square pixel or CCIR 601 resolutions in either component RGB video or both composite and Y/C video.

  • Page 59: Data Interfaces

    132 Mbytes/sec. Matrox VIA’s PCI port Matrox VIA’s PCI port is 32 bits wide and operates at 33 MHz. It allows all Matrox VIA resources to be accessed through a 128-Mbyte memory region, mappable anywhere within the 4-GByte PCI address space.

  • Page 60: Digital Interface

    PCI-to-PCI bridge The PCI-to-PCI bridge allows the connection of two or more PCI devices to one Host PCI slot (MGA-2164W and Matrox VIA), in which only one PCI device is allowed. It decouples the secondary or subordinate bus from the primary bus, making transfers exclusive to the secondary bus invisible to the primary bus.

  • Page 61: Appendix A: Troubleshooting

    Appendix A: Troubleshooting This appendix gives suggestions to help you resolve potential problems. If your problem is not addressed here, contact your local Matrox representative, Matrox sales office, or the Matrox Imaging Customer Support Group.

  • Page 62: Troubleshooting

    Appendix A: Troubleshooting Troubleshooting If you have problems using your Matrox Corona, please try the following: Check for disconnected power cords or incorrect monitor connections. Read the suggestions in this chapter. If your problem is not addressed in this chapter or if the solutions suggested don’t work for you, contact your local...
  • Page 63 Common problems and solutions After installing the MGA Windows NT 4.0 driver for my Matrox Corona, my system does not reboot at the expected resolution. This is a problem that you are likely to encounter if the resolution settings are incorrect or if the MGA display driver is not the correct version.

  • Page 64: Pci System Compatibility Problems

    IRQ conflict under Windows 95 You can resolve this problem either by re-assigning a different IRQ value to the PCI slot in which the Matrox board is installed or by changing the resource settings in the Windows’ Device Manager property sheet. This sheet can be accessed using the System utility in the Control Panel.

  • Page 65: Video Display Problems

    Recheck your connections at both ends of the video cable. Ensure that Matrox Corona is sitting evenly and is fully inserted into its slot. To do this, press the board down firmly. Check that the brightness and contrast controls are set correctly.
  • Page 66 Appendix A: Troubleshooting When I run an application, there is no picture on my video display. The monitor is blank. The application you are running might be attempting to select a resolution that isn’t supported by your monitor. Check your monitor’s manual for supported resolutions.

  • Page 67: Problems Running Dos Programs

    The picture is broken up, with bad horizontal sync; in other words, it rolls, jitters, or blinks. The cables connected to the monitor might not be attached properly or the monitor might not accept Matrox Corona’s video parameters. Ensure that the synchronization line(s) are properly connected to your monitor (to identify the sync line(s), refer to the appropriate monitor configuration in the ‘...

  • Page 68: Contacting Matrox

    Appendix A: Troubleshooting Contacting Matrox Before contacting your local Matrox representative or the Matrox Imaging Customer Support Group, you will need the following information: A description of what happened. Your board’s serial number (found on the bar code label on the soldered side of the board).

  • Page 69: Appendix B: Technical Information

    Appendix B: Technical information This appendix contains information that might be useful when installing your Matrox Corona board.

  • Page 70: Board Summary

    Some older systems use a core logic chipset (interfaces PCI with Host memory) that has limited throughput capabilities. Matrox Corona might not be able to attain full functionality on such systems. We recommend systems with newer PCI chipsets, such as the Intel 430HX, 430VX, 430TX, 440FX, 440LX, and 440BX.
  • Page 71 Board summary Programmable reference levels. Automatic and programmable gain control. Supported gain factors for the RGB digitization section Input video signal Total input video Required amplitude signal amplitude gain (excluding sync) (including sync) setting 0.0 V up to 0.5 V 0.0 - 0.7 Vpp M_GAIN3 0.5 V up to 0.7 V...

  • Page 72: Default Settings

    Appendix B: Technical information Default settings Boot video mode/resolution: VGA Mode 3 (80 characters, 25 lines). Memory map: System-determined (configured on power-up). On-board VGA: Enabled. Camera power supply strapped for +5 V supply (pins 1-2).

  • Page 73: Board Input And Output Connectors

    Board input and output connectors Board input and output connectors Matrox Corona has five user connectors: video input, video output, VMChannel, digital interface, and camera power supply. Digital interface connector VMChannel board edge connector Camera power supply connector Video input...
  • Page 74 44-pin D-Subminiature male connector. This cable allows you to attach up to four analog video sources and a trigger input. For the Matrox Corona encoder option, you can also attach either an RGB external video device or both a Y/C and an NTSC/PAL external video device.

  • Page 75: Video Output Connector

    Board input and output connectors For customers planning to build their own cable, parts can be purchased from: Manufacturer: NorComp Interconnect Devices Connector and shell: HDT44P Video output connector The video output connector is a high density DB-15 female connector that provides analog video and digital synchronization signals to the monitor.

  • Page 76: Vmchannel Interface Connector

    Appendix B: Technical information VMChannel interface connector The bus-controller VMChannel interface allows Matrox Corona to share data with other Matrox boards (for example, the Matrox Genesis boards) through their VMChannels. A VMChannel backplane (available with the GEN-BUS/... interconnect kits) must be inserted across the VMChannel interfaces of the boards.
  • Page 77 Board input and output connectors DGND DATA[0] DATA[1] DGND DATA[2] DATA[3] DGND DATA[4] DATA[5] DGND DATA[6] DATA[7] DGND DATA[8] DATA[9] DGND DATA[10] DATA[11] DGND DATA[12] DATA[13] DGND DATA[14] DATA[15] DGND DATA[16] DATA[17] DGND DATA[18] DATA[19] DGND DATA[20] DATA[21] DGND DATA[22] DATA[23] DGND DATA[24]...

  • Page 78: Digital Interface Connector

    It is used to interface with the companion digital-input board. The digital interface also allows Matrox Corona to share data with a Genesis main board or a Genesis processor board. A digital interface backplane must be inserted across the digital interface connectors of the boards.
  • Page 79 Board input and output connectors Signal Description GCLKOUT Grab Port Clock. All output signal timings on the Grab Port are referenced to the rising edge of this clock. DGND Digital Ground. DGND Digital Ground. EXP(2) Exposure2 output. EXP(1) Exposure1 output. RESERVED Reserved.
  • Page 80 Appendix B: Technical information Pin Signal Description GD[22] Digital Interface/Grab Port data. Bit 22. GD[21] Digital Interface/Grab Port data. Bit 21. GD[20] Digital Interface/Grab Port data. Bit 20. GD[19] Digital Interface/Grab Port data. Bit 19. GD[18] Digital Interface/Grab Port data. Bit 18. GD[17] Digital Interface/Grab Port data.
  • Page 81 Board input and output connectors Signal Description CKMOD Clock serial interface to the companion digital-input board. RESERVED Reserved. LDMOD Load serial interface to companion digital-input board. DATAMOD Data serial interface to companion digital-input board. GD[7] Digital Interface/Grab Port data. Bit 7. GD[6] Digital Interface/Grab Port data.

  • Page 82: Video Input Connector On The Companion Digital-Input Board

    Appendix B: Technical information Video input connector on the companion digital-input board The video input connector on the Matrox Corona companion digital-input board is a high density, SCSI-2, 80-pin female connector that attaches to a matching male connector on the camera-connecting cable (generally the DBHD80-TO-OPEN cable).
  • Page 83 Board input and output connectors Signal I/O Description DATA22- Data Input 22 GROUND Ground EXP(1) TTL Exposure 1 output HSYNCOUT+ HSYNC output HSYNCOUT- HSYNC output VSYNCOUT+ VSYNC output VSYNCOUT- VSYNC output EXP1+ Exposure 1 output EXP1- Exposure 1 output EXP2+ Exposure 2 output EXP2- Exposure 2 output...
  • Page 84 Appendix B: Technical information Pin Signal I/O Description DATA13+ Data Input 13 DATA13- Data Input 13 DATA15+ Data Input 15 GREEN MSB DATA15- Data Input 15 GREEN MSB DATA17+ Data Input 17 DATA17- Data Input 17 DATA19+ Data Input 19 DATA19- Data Input 19 DATA21+...

  • Page 85: Camera Power Supply Selection

    Camera power supply selection The camera power supply selection pins allow you to select the voltage that is output from the Matrox Corona board through the video input connector. As shown in the table below, place the jumper across pins 1 and 2 for a +5 V supply output and across pins 2 and 3 for a +12 V supply output.

  • Page 86: Camera Power Supply Connector

    The part number is as follows: Manufacturer: Connector: 2490-04PRT DIP switches The DIP switches allow you to control whether the BIOS is protected, Matrox Corona’s VGA is enabled, and the interrupt line. DIP switch 1 (SW1) settings: Position 1 Position 2 BIOS protected Matrox Corona’s VGA enabled...

  • Page 87: Specifications

    Specifications Specifications Electrical Operating voltage and current: 5 V ±5%, 3.0 A 12 V ±10%, 650 mA -12 V ±10%, 100 mA Environmental Min/max ambient operating temperature: 0°C - 55° C. Min/max storage temperature: -40° C - 75° C. Maximum altitude for operation: 3000 meters. Maximum altitude for transport: 12000 meters.
  • Page 88 Appendix B: Technical information...
  • Page 89 Appendix C: Glossary This appendix defines some of the specialized terms used in this Matrox Corona document.
  • Page 90 Backplane A circuit board that acts as a pathway between multiple boards. For example, if a backplane is inserted between the VMChannels of two Corona boards, the boards can share data through their VMChannel. Band One of the surfaces of a buffer. A grayscale image requires just one band.
  • Page 91 WRAM is a type of dual-ported memory. Dual-screen mode A display configuration that uses two monitors; one to display images from the Corona frame buffers, and another to display the Host operating system’s user interface. See also multi-head mode and single-screen mode.
  • Page 92 Appendix C: Glossary Exposure time Refers to the period during which the image sensor of a camera is exposed to light. As the length of this period increases, so does the image brightness. Field One of the two halves that make up an image. One half consists of the image’s odd lines (known as the odd field);...
  • Page 93 Main frame buffer The buffer whose contents are displayed by the display section of Matrox Corona. If keying is enabled, those areas of the overlay frame buffer that have a specified color allow the main frame buffer to show through.
  • Page 94 Overlay frame buffer The buffer used to annotate the main frame buffer. On Matrox Corona, portions of the overlay frame buffer that have a specified color allow the corresponding areas of the main frame buffer to show through (if keying is enabled).
  • Page 95 Phase-locked loop. Typically used in genlocked systems, a PLL provides a very stable pixel clock that is based or referenced to some other signal, usually a horizontal sync. A PLL adjusts the pixel clock frequency according to changes or variations of its reference signal. Adjusting the pixel clock frequency ensures that the same number of pixels appears on every line.
  • Page 96 VMChannel Vesa Media Channel. An industry standard 32-bit bus designed for carrying video data. On Matrox Corona, it is used primarily to share data with other Matrox imaging boards. Voltage peak to peak. The signal amplitude measured between the maximum positive and negative voltage peak excursions of a signal.
  • Page 97 WRAM Window Random Access Memory. A type of dual-ported memory used for displays.
  • Page 98 Appendix C: Glossary...
  • Page 99 Index DBHD44-TO-8BNC cable 16 DBHD80-TO-OPEN cable 17 A/D converter 52 default settings acceleration features Matrox Corona 21 device bitmaps 36 MGA PowerDesk 38 acquisition features 11 DH44-TO-8BNC/O cable 16 attaching a video source 28 digital interface 53 automatic gain control 51...
  • Page 100 52 PCI-to-PCI bridge 60 pinout digital interface connector 78 digital video input connector 82 master mode 54 VMChannel interface 76 Matrox Intellicam 14 Pixel Packer 55 Matrox VIA 59 PLC 13 maximum desktop 71 PLL 53 maximum display resolution 71...
  • Page 101 DOS programs 67 installing 29 video display problems 65 number of cameras 11 TTL signal 55 power supply 71 programming Matrox Corona 32 PSG 53 Uninstall program, MGA PowerDesk 41 Rainbow Runner 12 vertical synchronization 27 RAMDAC 12...
  • Page 103 If you have a question that is not answered in your manual, in the release notes, or in the readme files on the software CDs, contact your local representative, your regional Matrox office (if applicable), or Matrox Canada (corporate headquarters).
  • Page 104 Download Pkware area on the BBS. You can upload files to your own private Matrox directory area. This is where we suggest you put any files that you would like us to examine or debug. No one other than the SYSOP (system operator) can see, upload to, or download from your private directory.
  • Page 105 Electronic Systems Limited. No other warranty is expressed or implied. Matrox is not liable for consequential damages. If you wish to return your board, contact the Matrox authorized dealer where you purchased the board for service. Do not return a product to Matrox without authorization.
  • Page 107 Resolution: Network Card: Network Software: Other cards in system: Software Specific Information Operating system: Rev: Matrox SW used: Rev: Compiler: Rev: Fill out only if you are returning a board RMA #: Who were you talking to in customer support?
  • Page 108 Describe the problem:...

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