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  • SpinRite v6.1 Release #3
    The 3rd release of SpinRite v6.1 is published and may be obtained by all SpinRite v6.0 owners at the SpinRite v6.1 Pre-Release page. (SpinRite will shortly be officially updated to v6.1 so this page will be renamed.) The primary new feature, and the reason for this release, was the discovery of memory problems in some systems that were affecting SpinRite's operation. So SpinRite now incorporates a built-in test of the system's memory. For the full story, please see this page in the "Pre-Release Announcements & Feedback" forum.
  • Be sure to checkout “Tips & Tricks”
    Dear Guest Visitor → Once you register and log-in please checkout the “Tips & Tricks” page for some very handy tips!

  • BootAble – FreeDOS boot testing freeware

    To obtain direct, low-level access to a system's mass storage drives, SpinRite runs under a GRC-customized version of FreeDOS which has been modified to add compatibility with all file systems. In order to run SpinRite it must first be possible to boot FreeDOS.

    GRC's “BootAble” freeware allows anyone to easily create BIOS-bootable media in order to workout and confirm the details of getting a machine to boot FreeDOS through a BIOS. Once the means of doing that has been determined, the media created by SpinRite can be booted and run in the same way.

    The participants here, who have taken the time to share their knowledge and experience, their successes and some frustrations with booting their computers into FreeDOS, have created a valuable knowledgebase which will benefit everyone who follows.

    You may click on the image to the right to obtain your own copy of BootAble. Then use the knowledge and experience documented here to boot your computer(s) into FreeDOS. And please do not hesitate to ask questions – nowhere else can better answers be found.

    (You may permanently close this reminder with the 'X' in the upper right.)

Submit your Fan-made SpinRite logos here! (SVG format only)




It's time to spread the love both artistically and codewise (SVG is a type of code after all) for SpinRite by designing and sharing a logo for version 6.1 which Steve is under no obligation whatsoever to use since we didn't ask him about doing this, but if he wants to use anything from here we'll make it dead easy for him.

I created a slideshow to show off the logos and it's waiting for your submissions! Navigate it either by middle-clicking (forward) and Ctrl Middle-clicking (backward) or by left/right arrow keys when the slideshow is in focus, or just click/tap on a thumbnail on the left. Right now it just has a default logo based on being as close as possible to the SpinRite 6 logo (still a WIP), so the page looks pretty boring otherwise filled with placeholders atm:


Submission Guide

  1. The submission can be any size but the width:height ratio must be 2:1 so for example the default one has dimensions of 600 wide and 300 high. This ratio requirement is just for the purposes of less work for me including it in the slideshow, so if you don't care about your submission being in the slideshow you can ignore this.
  2. Assume a black background for transparent SVG images. This again is for the slideshow, but is also so Steve can just drop it in place of the current one that has a black background. This can depend on which software you use to draw with - Inkscape by default assumes a white background. If using a text editor you can just copy/paste the black background style from any placeholder or the first (default) logo.
  3. Upload your submission either as an attachment to a post here, or to https://svgur.com/ (when it's not returning a "503 over quota" error) then link to it in a post here.
  4. Feel free to make submissions with versions higher than 6.1, so 7 upwards as long as you're happy with waiting longer to find out if it will get used.
  5. Do NOT claim any copyrights. We want Steve to have no ongoing requirement for permission to use your work. If you want to remain anonymous just submit raw SVG code without metadata. If you want attribution then paste the following code into your SVG file to dedicate it to the public domain, replacing "YOUR NAME HERE" with your name:
<metadata xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    <cc:Work rdf:about="">
      <dc11:type  rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
      <cc:license rdf:resource="https://creativecommons.org/publicdomain/zero/1.0/" />
      <cc:license rdf:resource="https://opendatacommons.org/licenses/pddl/1-0/"  />
      <cc:attributionName>YOUR NAME HERE</cc:attributionName>
    <cc:License    rdf:about="https://creativecommons.org/publicdomain/zero/1.0/">
      <cc:permits  rdf:resource="http://creativecommons.org/ns#Reproduction" />
      <cc:permits  rdf:resource="http://creativecommons.org/ns#Distribution" />
      <cc:permits  rdf:resource="http://creativecommons.org/ns#DerivativeWorks" />
      <cc:legalcode rdf:resource="https://creativecommons.org/publicdomain/zero/1.0/legalcode" />
      <dcterms:isVersionOf rdf:resource="https://creativecommons.org/publicdomain/" />
    <cc:License rdf:about="https://opendatacommons.org/licenses/pddl/summary/" >
      <cc:legalcode rdf:resource="https://opendatacommons.org/licenses/pddl/1-0/index.html" />
      <dcterms:isVersionOf rdf:resource="https://opendatacommons.org/licenses/pddl/" />

Steve has absolute veto power to override/add to any of the above guidelines. The code of the page is itself in the public domain so he can just copy it wholesale to his site and take over if he wants.

Happy drawing/coding!

P.S. bonus points for anyone who finds how to adjust the playback speed of the slideshow ;)

EDIT: For anyone wanting to use a placeholder as a template to start from, https://srlogos.glitch.me/srlogo14.svg should be around long enough (until there are more than a baker's dozen submissions)




Have fun with the project, but I just want to remind everyone to please have reasonable expectations. Steve is not looking for any new logos, and if he were, he would have to resort to a bunch of legal contracts to make sure he had the clear rights to use anything that was a "winner".




Well it's moving at about the pace I expected :LOL:

I recently wondered how the surface of drive platters would look under an electron microscope, so I created a logo to depict the surface of drives needing maintenance/help, superimposing a clean looking SpinRite on them to indicate the job being done (I may have overdone it with the filters, Blink engine browsers like Chromium/Edge take 10 times longer to render this one than Firefox):

I hereby release all copyright claims and dedicate the artwork captioned "Platter Surface" linked in this comment to the public domain!




To celebrate this month's discovery of the first single aperiodic tile I made a logo using the shape: https://srlogos.glitch.me/srlogo03.svg

I hereby release all copyright claims and dedicate the artwork captioned "Vampeinstein" linked in this comment to the public domain!

For anyone new to this forum any submission doesn't have to be a masterpiece, just see how silly the one I just did is! As long as it fits I'll include it in the slideshow




Note to myself: Keep the slideshow page code clean and error free using the following validation links:
Data structure