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My test is finished. My first discovery was that the "Battery" DA in System 7.1 doesn't look like your screenshot. It looks like this: So I booted into System 7.5.5 and found there is no DA named "Battery". That compelled me to reinstall 7.5.3. But even then, no "Battery" DA. I installed...

Indeed. It blows like a thread with few replies! (I get antsy when few people reply to important threads.) Thankfully, I am having an ongoing conversation with Gingerbeardman over on FaceBook, and he is proposing some solutions via KeyQuencer. We haven't gotten there yet, but if the work...

Indeed. There is no PRAM backup at all, which is unfortunate. But as @Androda said in another thread, that's because even if he did reveal the way to connect a battery such as a 9v (apparently there's a way, he's just not revealed it), the Portable draws so much current that such a battery (in...

No feedback here on TinkerDifferent, which is always disappointing, but I tend to post here and on FaceBook too so as to maximize feedback. I've been having the following conversation, which one person contends the strange sleep is due to the Portable Battery Eliminator: I personally don't...

Okay, fellow Macintosh Portable owners... I've got a question for you. Mine is a 5126 Backlit model. As we all know, the Portable has a 2-minute Sleep timer active by default, but in theory at least, you can tell it not to sleep. When running System 7.1, the "Portable" control panel has been...

@Androda I just tested the diode-isolated connection between PDS-A2 and the positive side of C16. It works! Every time I sleep the machine with WIFI active (ACT LED flashing rapidly), the machine sleeps, but PWR remains lit (ACT no long blinks), and then when I press any key the machine wakes...

Yes, capacitor C16 is on the main 5v rail on my forked BSv2 board, as shown below. I will give your diode-isolated jumper a try this evening. Thanks!

Thanks for the tip! That won't be possible with my Forked BSv2 which doesn't have a separate power connector (instead, pulling it's power in the same exact way the stock 40MB Conner drive gets its power). But @Paolo B could technically try that on his BSv2 because his is a normal one, as...

@Paolo B Detailed testing feedback like yours, from fellow Macintosh Portable owners, is what I’ve been dying to hear. The reason is because when I alone report something, not much happens. But when more people confirm a given problem, ultimately there may be some light at the end of the tunnel...

I actually didn't even know what a "real DaynaPort was." I Googled it just now. :-) No, I don't have anything other than my Mac Portable (which is my only vintage Mac which sleeps) and the BlueSCSI v2 with PICO W. I appreciate that insight. The issue with that, of course, is that the intent...

I have neither of those models, so I cannot say if the Wake-from-Sleep freeze is exclusive to the Mac Portable or not, but you need only enable WIFI, confirm it works (connect to an FTP site, for example), then Sleep your PowerBook, wait 10 seconds, Wake it, then see if you can still use the...

I think I'm ready to throw in the towel on this Audio Noise problem. Not enough feedback from others to know what should be done next (if anything). I wish to once again humbly thank @SuperSVGA for providing the solution. Anyone can download that. It's an attachment in my earlier post here...

Just wanted to mention in this thread that BlueSCSIv2 WIFI has triggered a Wake-from-Sleep freeze that doesn’t exist when WIFI is disabled. I reported that in the following thread, but not a single person commented there...

Mine is a Saleae clone from AliExpress, which of course looks nothing like the original, but its priced within my means to buy it. :-) 16-channel, which is nice. I think I paid $50 for it a few years ago.

@YMK I wish to thank you. Your kind suggestion of using automotive tape was the best solution in the end. What I did was determine that some soft-side velcro I already had in my possession was shorter in height than any open-cell foam I could find on Amazon, so I tried that. And it didn't...

It's a bulky and very heavy CRT scope from the 90's, so I can only assume you are pondering it because of the low prices on EBAY and because you either have an affinity for CRT scopes or experience with LeCroy? Even so, due to a close relationship between the two companies, many modern SIGLENT...

@YMK Thank you for the advice. I actually have automotive tape in my parts inventory! However... Close observation of my closeup photos show that the original cushion Apple used was open-cell, low-density foam, which is very soft and highly compressible. I believe I'm right about that...

Below are photos of my 5126 Macintosh Portable's Keyboard with ALPS ivory switches. (Closeup photos below show more yellow than reality. They are ivory.) Note the SQAURE PADS on either side under the spacebar. The ends of that metal support bar hit the pad rather than smack the metal frame...

Unfortunately, it's not possible...

10/23/2024 UPDATE: @phipli ultimately provided the final solution: Use a scriptable Finder version 7.1.2, 7.1.3 or 7.1.4, install AppleScript 1.1, write the appropriate script, save as Application, then use Easy Keys to Assign the CMD-DEL keystroke. Perfect for System 7.1! (Start reading this...