Re: Images on Archive.org: This was the one place I hadn't looked. Those images work properly! Thanks for the pointer!

Something is wrong with the floppy rotation speed control on my 2/5... at some of the speeds it has trouble locking in. By ear I can heard the drive hunting, then it will lock in and work fine. I swapped the board on the bottom of the drive with no change. Could this be a problem with the Lite adapter? It's inconsistent how long the drive hunts before locking into the correct speed.

Re: CRT. The wonderful world of FleeBay. Most 12" mono CRTs are electrically compatible. I did some looking for "12" CRT" and came up with some good results... the first one I tried to buy ($40 shipped) got broken as the seller was packing it. The one I installed is try #2 ($60 shipped). It's a P4 phosphor instead of the original P7... and I think the P4 works better. Mac CRTs are P4. The new CRT has a matte finish too, so it reduces reflections well without needing the brightness robbing glare filter. It was made in USA in 1998. Here's the listing: https://www.ebay.com/itm/302513021798

I'm guessing Tom watched my YouTube videos related to this :)

Here's a 20 minute, nearly real time video of swapping the CRTs: https://www.youtube.com/watch?v=Oauo8NQYomo

And a shorter video comparing the P7 (short white, long green persistence) CRT to the P4 (short white only): https://www.youtube.com/watch?v=x8Vf-80LvqU

I was amazed when swapping the CRT I didn't need to touch any of the adjustments on the video board. They're actually all still factory glued! What you see in the video is all the setup I needed to do: Just rotate the yoke.

Re: gentlemen: Ah, fair enough! An easy mindset to slip into when dealing with the vintage tech crowd over text... I'm certainly not wanting to exclude anyone from offering help before I pull my remaining hair out :)

Thanks,

-J

On Sun, Nov 12, 2017 at 6:24 AM, Tom Stepleton <stepleton@gmail.com> wrote:

BLU has code that checks the integrity of .dc42 files that you upload to it, so you could always find out whether you have a good .dc42 file by letting BLU be the judge. It will tell you right after the upload completes.

If your images are something else... googling "lisa office system disk images" turns up a bunch of files on archive.org, also without file extensions. I downloaded one of them and looked at it in a hex dump---it seemed very much like a .dc42 file to me.

Now, where did you get your replacement CRT?

Finally, not everyone on this mailing list is in "gentlemen". Consider one of our resident disk image experts...

--Tom

On Saturday, November 11, 2017 at 9:02:44 PM UTC, compu_85 wrote:
Ok gentlemen, I'm really scratching my head here...

I'm finishing setting up my new-to-me 2/5, but can't find .dc42 images of the 7/7 applications. Weren't these on bitsavers at one point? All I see now are Twiggy images.

I last wrote these disks over 10 years ago. I looked through my file archives and found images I had downloaded from MacMothership... they're still available, and don't have any extension. Perhaps these are raw files? I recall writing the disks with a Mac Quadra that's now long gone...

I write all my disk images now with BLU. Does anyone have a suggestion where I should look for 7/7 application masters in DC42 format?

Thanks,

--
Jason Perkins
313 355 0085

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Jason Perkins

313 355 0085