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Anytime you plug something in where it doesn't belong, power and ground pins can be randomly connected to logic signal sockets. Poof, magic smoke released.

Yep, as noted. Was wondering about the resistor pack bodge? Factory rework of design flaw in early run boards, factory fix of faulty board or related to the wire spider infestation? Thinking one 72pin SIMM instead of DIP DRAM. Itty bitty bits of it used for 128K. Lots of room on board for a...

HEH! Comparison here works, already spotted some stuff! Is that resistor pack bodge on VIA OEM or 512K upgrade Plus - Top Redux - Middle 128K -Bottom (w/512K Mod) Missed ASG - Same on both boards? Which Apple Chips are interchangeable?

Here's where my prep work stands: Light Gray - off the shelf parts Yellow IC - on Plus replaces SIP resistor pack on 128K board - Resistor Network? Purple ICs - on Plus, but not on 128K Purple IC Outlines - 128K ID in black - Plus ID in Purple = which Plus versions are usable? Dark Gray ICs...

The Mac's case tooling was well into development (Twiggy Mac) by the time the Hartmut connection was made and Snow White slowly came into the picture. The Mac was far behind schedule and an untextured prototype TwiggyMac front bezel was was savagely mauled with a router for Sony 3.5" FDD test...

Very nice! I thought the LCD was going to be hinged at the front edge per the Black version pic?

Was wondering if RPi or the like could push USB3 in and out of the rudimentary IDE interface of this series. DuckGo'd for available hardware and found this one that might be ready to roll? https://www.amazon.com/Converter-External-Universal-Function-Software/dp/B00EHDTRJ6 No Driver needed...

I was curious if you'd ever seen any kind of PDS splitter for the SE/30. TwinSlot for the IIsi is the only classic era example of a similar approach to expansion that I can think of offhand. Given very high costs of PCB development/production until about a decade ago, I'm not much surprised...

He said: Genuine HDD mounter cannot be used with the Radius Pivot card compatible adapter with horizontal, non-slanted slots. HDD is probably OK, just gotta bin that stupid big, overlong HDD cage of SE origin and use the simple flat type. Half height drive is a given. Says there are three...

Exactly, but the IIci Cache Slot connector is exactly the same as the PDS. Very strange to find a TwinSlot type card for SE/30. I'm surprised I've never seen another. @JDW have you seen a card like this before? Pretty nifty. @retr01 I was talking about the power connectors on that breakout...

That looks like an actual, straight thru card with two stock PDS Slots. I looks nothing like an adapter for PowerCache or any other IIsi Cache Slot interfaced card as there's no indication of trace orientation change or the PAL IC logic required for conversion? Don't think I've ever seen a...

< tangential turn > Mine'd be clear behind hazy clear from his first almost perfect run of buckets. If it'll withstand heat during bending, engine turned white gold mirroring, backed with clear varnish would be see-thru, much like gilded fire fighter face shields. Problem there is that...

Your chassis design has the wheels spinning in my head for a slotted together clear acrylic chassis for the milky clear SE/30 prototyping case @MacEffects so generously sent my way. Your CNC router table has me wondering about V-grooving top and bottom surfaces of a plexi chassis blank to then...

Build it and they will come? Expanding the envelope of tool capability is just something I've always done. I have/had an incredible array of tools at my disposal over the years. If I didn't have it or couldn't afford it, I bodged what I needed from what was on hand. I was an avid...

Nice, getting a course on this stuff! Open source software in the review linked in OP would be target. I'll have to play with the drawing later: __ CNC routed or better laser cut plywood arc is geared on the inside __ outer ring and sides engaged by rollers on the sensor crawler __ robotic...

Nice snag. Slap it in a Slot, run TattleTech and the PDS/NuBus report will tell you what the DeclROM has to say about it. ;) edit: Rotary switch has Futura written all over it, check out the specs on LEM: https://lowendmac.com/video/index.html

Crazy morning musing of the day. Ran across this information on open source hardware and software. https://www.3dsourced.com/rankings/best-diy-3d-scanner/ Scanning my IIfx, Q950 or at least the Radius 81/110 in one piece on a DIY would be epic. CC and smaller would be OK too. Limiting factor...

Yep, considered the truss/honeycomb/etc. design possibilities of printing. But the parts are overly large for printing, even done in sections I think. What would that quantity of filament cost? CNC router cutting or better yet, laser cut panels have got to cost a lot less made to order than...

Not sure if info's a help here, but can confirm that the Radius Rocket does much the same thing as Prodigy at startup. Rocket/Whoosh screen exhibits after ROM is copied into memory on the Rocket in second boot. Two reasons I think: 2nd - access from ROM copied to RAM at the clock of the...

Concur, your router cut chassis has better rigidity than large printed parts I would think. Can't believe I entirely forgot about your detailed updates on page two, anyone following along or new to the thread needs to take a look. Your illustration definitely needs reposting at this point...