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Paging @mmu_man ...!

I wonder if it's possible to find a good high resolution image of the board, read the part number off it?

Also, a reminder that not everything needs to be mac or even computer related - as evidenced by some posting older audio equipment! Only 3 weeks to go til the entry window closes, folks!

Love that board shot!

A few of us once talked of such a thing... Perhaps @Zane Kaminski might jump on board with a fresh design - I know a 1mb L2 would sell like hot cakes

Mouser also sell 4-pin mini din sockets that fit perfectly.

Thanks to @RetroTheory , the case has arrived! I've not unpacked it yet, i've had 0 time to deal with any projects lately, I'll need to recap the Motherboard before I go ahead with the build, just to make sure the board I want to put in there actually works! 😅

Have you got any super hi res images of the card we can use to spot anything visually wrong?

So...how close are these to release? ;)

You do need a minimum of 1MB (in Bank A) for anything to really happen, as the built in video needs something to use.

Y4 should be a simple 2 pin 32.768KHz crystal (not an oscillator), if you're not getting anything from that at all when power is applied, that means the RTC won't be running, and won't be generating the 1second pulse output, or sending any data to the VIA. Although that may not have too much of...

I have to say, that is insanely clever!

Ah sorry you wont have the MDU or RBV, i was thinking of the IIci there - the E clock is the fixed 783KHz clock used for peripheral timing. It's the bus clock speed divided by 10, typically. So it may be 1.56672MHz.

Yes, you qualify! Entry isn't excluding any member at all!

Have you checked for the presence of the clock signals at the cpu, gluechip, mdu, rbv, oscillator output and also the E clock?

Line over means active low :)

UA15 and UB15 are the 20-pin PLCC 'SND' Chips (left and right channel) - Apple P/N 343S0045-B (Made by Sony though). It's the one actually responsible for sound output, but also functions as /RESET (or /RST) for the CPU. Pin 6 is the active low reset signals, with UB15 being responsible for...

This might be a good candidate for a reloaded Analogue board from @Kay K.M.Mods :)

Oooh, good composition!

Check the Sony SND chip for what it's doing with the /RESET line :)