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Let's start with this curiosity? I see what looks like an ISA Standard Cable for a Multifunction I/O Card's breakout, but it's not and it's seemingly very strange. Don't recall a DE-9 cable hookup with 11 IDC signal lines implemented . . . ever? 10th pin on header is for D-Shell ground...

How about posting a pic of your card here for this Whiskey Tango Foxtrot degubbing session? Which version card(s) do your guys have? I now clearly see two and three interface header connector types on the two prototype setups. So many puzzles here . . . playtime! 🤪

Revised edition answer: Any Control Panel for multiple displays for SE and earlier Compacts pre-7 will be third party IIRC. TLDR: Going through the thread I picked up on that bit I had addressed, but a little context never hurts? Radius developed the first version of such a control panel for...

Congratulations, great to see it coming to life! :)

Sorry, visual thinker here, so sillyscope experimentation results and conventional shematic diagraming only compute with much too much effort if and when they do in my noggin. I can "see" the I/O flow of systems, but it's more like a plumbing/hydraulics blueprint the way I process things...

That would be the answer to my question, which was badly put. Looked, but didn't see a picture or diagram of the PCB with the physical location of the connector types labeled last night. I was the one who suggested the Extron Scaler. ;) TTL would need to be converted to an analog signal, no...

Which connector are you using there? That's an analog signal? That's the funkiest looking thing I've ever seen using that scaler?

Definitely save SCSI mass storage solutions for IDE deprived Macs. I run my 6400/6500 TinkerTestbed off CF/Adapter and it works great. SCSI internals was not only easier, it was necessary as IDE support was rudimentary when introduced in the Quadra 630 and PB190. It hadn't improved much by the...

I see one connector is for TTL, which answers the question with which I was coming back, some TTL interfaces used the DE-9 connection for Black and White Displays IIRC. Hopefully yours is analog on its proprietary DE-9 interface? Wondering about the relative cost of the Ehman CRTs was eating at...

This is an SE card we're talking about correct? No, you can't and that DisplayServer PDS/30 ain't gonna fly on the SE no matter what you do, that'd be for the SE/30 version of this contraption. Did any of this stuff really ship? I have no idea what any of the other headers are doing on that...

Well there goes that notion, it's an available, supported product, definitely not something to be public licensed for hobby use. :( https://www.extron.com/product/rgbhdmi300a Gotta give it a try at Component Video to HDMI, my TV is HORRIBLE when it comes to that.

Which lines from the logic board harness are you connecting to what & where? A diagram of your hookup would be most helpful in troubleshooting. There's an ancient setup for building the CatMac/Hickintosh floating around, checking against that would be my first step. There have been fairly...

Definitely needs to be closed from viewing by lurkers. Nasty things happened over the years at the MLA despite the TP being a closed system. I feel lucky to be able to view pics I post full size here when I'm at work and can't log on. That's something I can no longer do at the MLA for whatever...

My piles are on every available surface, but mostly around the edges of the floor. Love those storage boxes, I'll keep them in mind, thanks.

Thanks for the clarification, interesting project. Never thought it was off topic, just wondered what was up. Looks like yet another application for the Extron Scaler. I've seen a lot of CC LCD mods, but none using the OEM board, all I recall offhand were VGA capable Logic board transplants...

Love it, what kind of containers are you using in those drawers?

Not sure what you mean here? Color depth? That's determined by the configuration of the Mac. However it's transmitted to a display, it's still the contents of the frame buffer as limited by amount of VRAM in the system or on a VidCard. Are you asking if there might be unsupported options? Has...

Classic II will make a great donor if the boards remain problematic. That frees the case up for some quality playtime with an LCD and far better system components to back it up. 😜

Lisa KBD/Mouse would really jazz up that beautiful collection. ;)