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@ComputerCompulsive & @naruse When you've had opportunity to test the drop-in replacement recommended by @Bolle and/or try the other information provided in this thread, please be sure to let us know if your Y3 crystal issue was resolved and what specially resolved it. Thanks!

Much clearer. An excellent textual improvement, to be sure. Great job! Please note the spelling error here: Should be spelled: specification (Not trying to be overly critical but instead helpful, pointing out the obvious.) My new suggestion pertains to helping newbies understand the...

Do any of those disks make a louder than normal sound when you insert them and they start spinning? If so, look at them under a lens or microscope to see if there’s any mold or debris on the disk itself. To do that, you need to slide the metal slider open so you can see the disk itself. The...

But now that I ponder it further, it very well could be ESR that's the problem here, rather than Load Capacitance. You see, those cylindrical CAN oscillators are typically used in clocks and watches, and in those applications the XTAL ESR is very high, on order of 50kΩ, 90kΩ or higher. But if...

Examining my stock SE/30 motherboard and the BOMARC schematic, I see this... Looking at Bolle's Github Gerber files (via JLCPCB website viewer), I see on the top side of the board, he has designed it to accept either the old cylinder-shaped crystal (shown above) or the kind more commonly used...

@Kay K.M.Mods One of your analog boards was used in a very unique way!

@Kay K.M.Mods I see that @Drake did a nice job on the revised artwork!

I realize you aren't doing an SE/30 Reloaded build, but sometimes those builds have BOMs with a modern parts list you can buy today. The SE Reloaded build's BOM is like that. Even so, I've never done an SE/30 Reloaded build myself and therefore have no experience selecting parts such as the Y3...

Grab Download #4 and give Clockometer a try: https://macintoshgarden.org/apps/newer-technology-disk

True, but I often put a variety of drive parts in 100% IPA and clean then with a toothbrush, one-by-one. And if a new, replacement part is dirty, I may throw it in too. Cleaning everything I dunk in IPA takes time, and by the time I get to some of the parts, they may have been soaking in the...

Oh my. I don't even drink alcohol but that knowledge almost makes me want to give it a try! 😆 (I'm a Steve Jobsian "not fond of rules" rebel at heart.) Bruce, pardon my utter ignorance about resin printing and IPA, but if I have a floppy drive gear made of resin which is a bit dirty or may...

Welcome to the club! 😅 Whether it be in this hobby or at my day job, I find that once I ask more than one very specific and pointed question, the other person often gets overwhelmed. Then I need to play the follow-up game, which is a rather precarious game because if you follow-up too much...

OK. I bought a brand new SD card (16GB Gigastone), formatted it ExFAT and created the 200MB image (formatted with the HD SC Setup 7.3.5 driver, which I know is SE compatible). I did a clean install of System 7.1 followed by the System Update 3.0 install. I copied over various files including...

I don't have the opportunity to do that right now, but I can try it, of course. Thank you for the suggestion and details. But of course, this raises the question of why that SD card works fine when I test in my stock SE Motherboard. Again, this issue seems to be affecting my SE Reloaded board...

Lunch Break Test of WarpSE Firmware 0.7e continues. If you re-read my post from yesterday where I did the 6 Tests, you will see that in Text #6 I held down SHIFT while booting. That allowed SCSI Director Pro 4.0 to complete all its tests without error. Today, I reduced the number of startup...

Does that mean you clicked this button? In my previous post where I show my 6 tests in SCSI Director Pro 4.0, it was that "Test" button which takes you to the actual suite of tests. It does the SEEK tests at the beginning. After that, I get the out of memory error in some situations (again...

@Zane Kaminski I am still testing WarpSE Firmware 0.7e. TEST #1 Using WarpSE in my stock Apple SE motherboard with IWM, I booted into System 7.1 using MacSD and tested with SCSI Director Pro 4.0. No problem! TEST #2 Powered off, removed MacSD, attached my BlueSCSI v2 to the same ribbon...

My Apple IIc has a 342-0033-B "MON" ROM (aka "ROM 0"). I asked several people how it differs from the 342-0033-A, but nobody knew. I was advised to READ out the content with my T48 universal programmer, so I did. I then downloaded the 342-0033-A ROM from an online archive and compared both in...

System 7.1

Interesting how this older thread popped into my view today. I missed it back when it was originally posted, so thank you, @trag ! I had a Brainstorm accelerator in my compact Mac back in the day. I ended up selling the machine to a co-worker when I was in college, I believe around 1990. I...