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Derek71's picture
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Joined: 2018 Jul 30
Install and setup of Virtual DVD/CD utility

Hello,

I am trying to install the Virtual DVD/CD utility under system 7 in order to install some applications. I unstuffed version 1.0d3 of the utility, and installed version 5.3.2 of the Apple CD ROM driver.

When I start the utility, the dialog box asks for a Toast ISO file, I selected a Disk Copy image file and I get an error message indicating insufficient resources.

I’ll try virtual memory to see if that addresses the problem, although I wondered if I had everything installed that the utility needs?

Derek

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MikeTomTom's picture
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Joined: 2009 Dec 7

It's a known problem with this utility, and its cause is due to how a disk image was created in the first place. The utility will mount most CD images but it will strike some that it cannot mount and if so, you will need to find an alternative workaround.

Do try other CD images to see if it's not just the one you are attempting to mount.

Go back to the utility's download page and read the section under "Limitations", also read the "Readme" doc that would be included in with the download, for more hints or tips that you can try if or when this situation arises. Read too, some of the user comments in the utility's DL page, as they cover similar situations.

Are you trying to mount this CD image on an emulator such as Basilisk II? If so, make sure the CD image is inside an emulated HD and not in the shared Unix or "My Computer" HD (or dragged from the shared drive to the desktop - it must be inside an emulated HD).

Also, in the case of using a CD image in an emulator; The problem CD image can simply be added to the emulator's list of HD's in the GUI launcher before you start the emulator and it would mount on the Mac desktop when the emulated Mac boots up, if it is compatible with the Mac OS you are emulating. No need for the utility or Toast there.

If the CD image you want to access is from the Mac Garden and you are still having no luck from it. Give us its name or page location and I will see if it's possible to fix (it usually is).

24bit's picture
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Joined: 2010 Nov 19

Virtual DVD/CD utility may open NDIF DiskCopy images, but it usually does not.
The app is meant for ISO or Toast images of CDs or DVDs.
For openeing DiskCopy images, DiskCopy is the one you want.
Sadly Apple did not include this "must have" with the older Mac system releases, so you will have to install it manually.
http://macintoshgarden.org/apps/disk-copy-6

MikeTomTom's picture
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Joined: 2009 Dec 7

Virtual DVD/CD utility may open NDIF DiskCopy images, but it usually does not.

Actually, if a Disk Copy image is custom built (or converted) using multiples of 512Kb or 1024Kb to reach the final file size (and saved Read or Read Only) - they all will mount using the utility, 100% Wink

Disk Copy 6.1.2 and later is an excellent tool for creating Mac .ISO compatible images up to 2GB, this way.

24bit's picture
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Joined: 2010 Nov 19

Sure Mike. The size conventions explain it all right.
Maybe I understood the OPs issue wrong.

MikeTomTom's picture
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Joined: 2009 Dec 7

Maybe I understood the OPs issue wrong.

No I think you got it more right than me. He was trying to mount a Disk Copy image using the utility, whereas he should just try using Disk Copy 6.x on it.
- I failed to read that in the first place. Tongue Glasses

Derek71's picture
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Joined: 2018 Jul 30

I used the Disk Copy image file as a test, I have Disk Copy 6.3.3 installed for image files. There are two applications that (Acrobat 3 and Photoshop3.05 I think) that are ISO files needing the virtual CD utility.