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If you download the disk images and write them to disks, you can upgrade the PowerBook to 7.5.3 in place, I believe. Try the first download here: https://macintoshgarden.org/apps/macintosh-os-755 It says that it's the set of floppy disk images in a zip file.

Do you have a clear photo of your 2940 SCSI card? To be bootable on the Mac it needs to have Mac firmware on it, and it will say so somewhere on the card.

I guess I need to take an old PSU apart to see how it looks on the inside. Can this adapter board and 2x5 connector fit where the 2x5 connector so on the original?

You can easily find cheap SCSI cards for the MDD and connect any of the multitude of SCSI drives to your MDD and manipulate it using that. Advice is to not use OSX when dealing with older system software and files for transfer on an old drive.

This is a great project. I’m just looking at these adapter boards and wondering how they get used inside the case. Do you open the original PSU, gut it, insert a new ATX one, and somehow get the connector in place where the existing one was? Or do you scrap the old PSU altogether and just...

Thank you for uploading this. I appreciate it.

Last I checked, Herb was out of stock.

Even better, put it into the Startup Items folder of a Mac someone else might use, as a prank.

Awesome! Great to hear.

On a black PCB with a ghostbusters logo? 😜

I looked up the source of the “reviews” and I can’t say I approve of the complete misuse of a quote, taken completely out of context.

I checked that file and the contents of @leothecomputerguy 's files are slightly different. It seems there's some stuff missing in both. I'd suggest archive.org

No. You copy the XCMDs and XFCNs into the HyperCard stack using ResEdit. From there, you use them just like you would any custom handler or script, by name.

Thats a very detailed explanation. I think there are a few exceptions for whether internal needs termination. For example, I have experienced the odd machine like an LC where external SCSI misbehaves if no internal drive is connected (ie: no terminator internally). The misbehaving disappears if...

I have used Rinaldi’s externals for most of my projects over the years. I still have stacks that use TCP even now on Classic OS 9 running on OS X Tiger 10.4.11. One that I’ve used a lot is the HTTP XCMD that allows you to download a file over HTTP in HyperCard. It still works, barring...

It’s about as useful as Mac OS X Server 1.0 Rhapsody was. It’s a trip through a time machine, to use a little-known OS, to do a few things you couldn’t do in other OS versions at the time (at least on a Mac anyways). It’s more for the adventurous type who like to play around with operating...

If I’m not mistaken, different “compact Mac’s” require different caps. Also, whether you need analog or logic board caps. What machine is it for and where are you located?

The Z100P2 model is most definitely a PC “parallel port” Zip drive. These are notoriously passed off as “SCSI” on sites like eBay. I used to go through and let sellers know to change their listing and it got very time consuming, as most sellers notice the SCSI version sells for more than the...

Edited before I could reply. Personally, I would have done something like calling it purpleSCSI or even moradoSCSI (which means purple in Spanish), and ordered purple-colored PCBs. There is zero confusion with regards to that. But that's just me. People can call things what they want, I guess.

If I purchase an AzulSCSI with the optional external 25 pin connector, does that override the internal 50 pin connector, or are both installed on the device? The page says this: So I take that to mean I could use the same device internally OR externally (and back again), without any changes...