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Frequently Asked Questions

SystemVision overview

Download overview

Using and learning SystemVision

Install issues

SystemVision Overview

  • What benefit would I gain by using SystemVision?

    SystemVision provides a very easy-to-use prototyping environment that includes SPICE, but also goes beyond it to include digital and mixed-signal circuits; thermal, mechanical and hydraulic systems; continuous and sampled-data control systems, and many other engineering disciplines. SystemVision provides easy access to the powerful mathematical modeling capability of VHDL-AMS, the industry standard Hardware Description Language (IEEE Std. 1076.1). Through VHDL-AMS, the user can directly define whatever new, arbitrary model behavior is desired, and then instantly include its effect in the design schematic and observe the overall performance changes.

Download overview

  • How do I download the free version of SystemVision Educational?
    • Click the free download link here
    • Complete the form and click Submit Information.
    • On the confirmation page, choose Click here to download.
    • Read and accept the license agreement.
    • Click the Save radio button.
    • Click the OK button.
    • From the "Save As" dialog, select the folder and directory where you want to save SystemVision, and then click the Save button. This will download a self-installing executable.
    • Browse to the self-installing executable and run it by double-clicking.
  • What are the minimum system requirements for installation?

    You can run SystemVision on computers with Windows operating

    Operating Systems:
    Windows XP Pro (SP1, SP2) & Windows 7

    Minimum System Requirements:
    1 GHz
    512 MB RAM
    1 GB Hard-drive

  • How long does it take to download SystemVision?

    Download times depend on individual systems and upon factors such as connection type and network traffic. The SystemVision download is approximately 270MB. The download time may be about 5-10minutes on a typical broadband connection.
  • What should I do if the download fails?

    There are a number of reasons why you might receive an error message during the download process or find that the process hangs. Here are just a few examples:

    • The website's server is busy.
    • Internet traffic is heavy.
    • The installer can be corrupted during the downloading process.
    • There could be line noise on your connection.

    Solutions to common download errors:

    • Disconnect from the Internet, reconnect, and attempt the download again.
    • If you still having problems downloading the file, try again at a later time.
  • Does the license expire?

    Evaluation licenses are valid for 90 days. If you need to use the product for more than 90 days, fill out the software request form. A renewed authorization file will be emailed to you within 24 hours. This will be valid for another 90 days. There is no limit on the number of times you may renew your license.

  • How do I renew my educational version license?

    To receive a free license renewal for 90 days, renew your license. Once the form is submitted, an authorization file will be generated and you will receive an email containing the file.

  • I did not get a file attachment with the license e-mail. Where is my license file?

    Some mail servers (such as hotmail, gmail etc) may remove the attachment and add the contents to the bottom of the e-mail. If you did not get an attachment, scroll down to the bottom of this e-mail and look for the text that starts with "INCREMENT ..." If you find your license text here, create a file called "license.dat" using Notepad, and copy-and-paste the license text into that file. This text should be in ONE line. If your mail server has split it into two lines, combine them back into one line. Make sure there is a space between the text corresponding to the two lines. This line should begin with "INCREMENT" and end with the HOSTID field.

Using and learning SystemVision

  • Where can I find VHDL-AMS models provided with SystemVision?

    For more information on the advantages of using VHDL-AMS to model mixed-technology and mixed-signal systems, visit the SystemVision website. This page lists the VHDL-AMS models provided with SystemVision.

  • What resources are available for learning how to use SystemVision?

    To make SystemVision easier to use, we have provided the following extensive online help and documentation, which you can access at any time.

    Click on Help -> SystemVision Help or the Open SystemVision Help link on the Welcome Page to get the SystemVision Help InfoHub system. You can search across all SystemVision documents in the Search field. There are also a list of typical usage questions listed on the How Do I… page of the SystemVision Help.

    There are several other links to information on the Welcome Page where you can watch presentation to get an overview of SystemVision, or how to use it. There is also access to training material, demo examples and white papers.

    Help Topics
    Help Topics provide information on basic product usage. The "How do I…" section provides quick instructions on some common tasks. To display Help, choose Help > SystemVision Topics from the main menu.

    Getting Started: This manual contains background information and some simple examples to help you get started using SystemVision. To display this online manual in Acrobat Reader, choose Help > SystemVision Online Manuals > Getting Started from the main menu.

    User Manual: The user's manual provides introductory information on how to use the SystemVision simulation environment. This manual does not cover installation or licensing for SystemVision. To display this reference guide in Acrobat Reader, choose Help > SystemVision Online Manuals > User's Manual from the main menu.

    SystemVision Quick Reference: The quick reference guide gives the general steps for creating, simulating and viewing a new schematic-based design in SystemVision. To display this reference guide in Acrobat Reader, choose Help > SystemVision Online Manuals > SystemVision Quick Reference from the main menu.

    VHDL-AMS Quick Reference: IEEE VHDL-AMS 1076.1 is the industry standard mixed-signal high-level description language for electronic and multi-domain systems. To display this reference guide in Acrobat Reader, choose Help > SystemVision Online Manuals > VHDL-AMS Quick Reference.

    Waveform Viewer
    Quick Start: This waveform viewer is provided with an extensive online help system. Basic process flows are detailed along with menu options and application interface orientation. To display this information, choose Help > Quickstart

    Waveform Viewer Tutorials: There are three tutorials provided with this Help system. All of the tutorials will allow you to save your work for later use. To display these tutorials, choose Help > Tutorial > Open Tutorial.

Install issues

  • I don't want to use C:\flexlm\license.dat as the location for my free evaluation license. How do I change it?

    Place the license file (license.dat) that you received by email in any location with any name. Include this filename in your computer's LM_LICENSE_FILE environment variable.

    You can do this by going to the My Computer icon on your desktop and using the right mouse button to select "Properties." Select the "Advanced" tab and then click on "Environment Variables." In the "User variables" area, check to see if the "LM_LICENSE_FILE" variable already exists.

    If it does, select it and then click on "Edit..." Add a ";" character and then type the full path to the file (e.g., C:\flexlm\license.dat). If the LM_LICENSE_FILE variable does not already exist, then select the "New..." button for User variables. Type in the name LM_LICENSE_FILE in the "Variable Name:" field. Type in the full path name to your license file name (e.g., C:\flexlm\license.dat) in the "Variable Value:" field. Click "OK" for all forms.

  • I do not have space on my C: drive. Can I install SystemVision on another partition?

    Yes. During the install process, the installer unpacks into the folder pointed to by the environment variable TEMP. If there is less than 300MB space available on the C: drive, temporarily point the TEMP variable to a location that has at least 300MB during the installation process.

    While installing SystemVision, the install dialog allows you to choose the location to install SystemVision.

  • SystemVision seems to have run the installation program, but it did not install. What do I do?

    Make sure that you have at least 300MB free on your C: drive to be used temporarily for the installation process.

  • I have installed the license file in C:\flexlm\license.dat, but when I try to run the software it is unable to obtain a license.

    Your 90-day license may have expired. If so, return to request another 90-day license.

    If your license has not expired, the problem may be related to your network adapter and its physical address (HOSTID). The license is tied to the physical address of the network adapter on your computer. This network adapter must be visible at the time the software executes. Re-execute the instructions for obtaining the HOSTID and verify that the HOSTID in your license file matches your machine's HOSTID. Be aware that if your network adapter is not actually connected to a network, it may not be visible to applications running on your computer. In this situation, the SystemVision software will not run until you have connected the network adapter to a network.

  • My SystemVision license works when my network card is connected to the network but stops working when I disconnect from my network. Is there any way to keep the license working when I'm off the network?

    Yes. The hostid that SystemVision licensing uses is associated with your network interface card (NIC). If your NIC driver supports MediaSense, MediaSense will have to be disabled for the license to work when a network is not connected to the NIC. This requires making changes to your computer's registry, so proceed with care. Check out the Microsoft knowledgebase for more info.

  • Change the question to read as follows: I selected the default installation location but can't find the directory SystemVision*.* as mentioned in the documentation. Where is it?

    If you have installed the overlay of SystemVision into an existing Expedition 2005 installation, the corresponding directory name is "2005EXP/SDD_HOME."

  • When I try to run DxDatabook, I get an error that it can't find the database file. What do I need to do?

    If you do not install at the default location, DxDatabook needs to be configured to point to the SVComponents.xls file. To find the file, you will need to browse to SystemVision*.*\standard directory. If you have an ePD2004 Spac overlay installation, the corresponding directory is 2004\standard. If you have an Expedition 2005 overlay installation, the corresponding directory is 2005EXP\SDD_HOME\standard.
  • Will SystemVision conflict with my existing PCB installation?

    No. In fact, SystemVision can be installed as a standalone application, as an overlay into an existing ePD2004 Spac environment, or as an overlay of an existing Expedition 2005 flow. In the overlay mode, SystemVision will appear in the Simulation toolbox within the dashboard.

  • Can I have the Overlay and Professional version installed on the same machine?

    Yes. This can be done, but you will have to use the configurator (Start->Programs->MentorGraphics SDD->The MGC SDD Configurator) to switch between these versions.
  • Are there any consequences to having the Overlay and Professional versions installed on the same machine?

    When you have an Overlay and Professional installed at the same root location, removing either one would necessitate a reinstall of the other since it removes the win32 directories. Note: Any reinstall of an already installed product would be quick, since only the non-existent objects would be installed.
  • When I run a Verify on an Overlay installation, it shows a number of objects with different checksums. Is this OK?

    Yes. These are objects that are overwritten by the overlay. If you uninstall the overlay, these will revert back to their original versions.
  • When I install SystemVision Professional from a UNC path and select the License Server, there is an error during the licensing setup. How can I remedy this?

    As a workaround, you can mount this UNC path as mapped network drive and then install it.
  • SystemVision hangs upon invocation, or when opening a project

    When SystemVision is invoked, it opens the last opened project. If SystemVision is hanging, kill the process called viewdraw.exe in the Task Manager. Go to the directory of the project SystemVision is trying to open. Edit the viewdraw.ini file. At the bottom of the file, in the list of Symbol Libraries, remove all duplicate specifications. Save and invoke SystemVision again.
  • How do I contact the SystemVision team?

    For questions not found in this FAQ, please send us an email with your questions or comments.

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