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I suppose the thread Subject is broad enough to cover TTL- and ECL- 😀

Likewise, interesting... sounds like we need to launch a new thread... @Phipli - maybe you should start an ECL-inator thread? 🤣

I figured I should move this convo to the main Sync-inator thread... Oh, I didn't know such a thing existed? Do you have a link? Or did you mean 'video card' rather than 'adapter'? Makes sense. IDK what the market would be like - certainly not as large as that for the Sync-inator. I wonder...

Understood, but there was NO implication his nifty device should do anything other than what it's designed for. Why not let the designer comment / shoot this down rather that deciding for him? FWIW, I think his stuff is AWESOME!! Love my FloppyEMUs!!!

Just thinking out loud - didn't know that was a crime. I have lots of "15 pin" stuff and am happy to help with the primary effort.

Worth checking this guy has good connections?

Ah, yeah, I recall seeing that mentioned too... sounds like a great challenge! 😉

I suppose I could send the cards your way? I have at least one card + 9pin output connector that came out of a Mac Plus - I believe it was used with a large external monitor for displaying engineering drawings. The Plus was ex-Western Electric UK. I beliece there were loads of other "compact...

Or this (genuine Apple one + disembodied PB 1XX modem card)

^^^ what @dcr said. In addition to a similar collection, I also have a few - what I believe to be - "TTL" video cards that have 9 pin (mono) outputs. Have you thought about ingesting that sort of input and regurgitating "VGA"? Obviously, you'd need to map 9 pin to 15, and some (most?) of those...

Interesting... I guess they added it when CDs became 'a thing'? ...or after Apple introduced their own (external) ones.

In the original post... > If I have the CD-ROM emulation enabled, it seems to always win during the boot process for some reason

@dougg3 @Arbee - great testing / sleuthing guys! Really interesting reading and glad @dougg3's made progress! I'm wondering, though, if at least some of the (older driver) scenarios where the CD boots first regardless of SCSI ID / Startup Disk settings may actually be by design? IIRC, weren't...

Perhaps a dumb question... but have you used the "Startup Disk" Control panel to set which 'drive' to start from? I believe it saves something in PRAM? If you're getting the disk with flashing "?" - it may not be set? Also (might be failing memory here?) but I think if nothing is set, the...

Interesting project - question - is this a 1:1 reproduction, or have you tweaked design to work around some of the harder to find modern equivalents? I believe Q12 (if memory serves) doesn't really have a modern day direct replacement?

Ooo... if @Pushpull76 isn't or if shipping/customs is a deal-breaker - I'd be interested. LMK. :)

Were there / are there 2 chip vintage Mac compatible 16Mb SIMMs? I know there is this issue with 4Mb SIMMs - @max1zzz has made up some 2 chip, 4Mb ones of late, so will know what's needed for those. Maybe he'll know the incantation for 16Mb ones?

Maybe you'd be interested in ... Thread 'UK Meetup' https://68kmla.org/bb/index.php?threads/uk-meetup.45032/ Could be someone has a "project" compact they'd be willing to let go for a reasonable sum and bring along?

Same here... very odd. I've tried all manner of "VGA" settings with an Interware and Q700 on-board video - all I get is a NO VIDEO SIGNAL message. 😑

Look no further -- https://www.ebay.co.uk/itm/144158507803