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Unfortunately no, not enough room

As promised on the NUBUSPAS16-DB thread, here are my notes Connector Incomplete connector pinout, card side __________________________________ \ / \ 09 08 07 06 05 04 03 02 01 / O \ 18 17 16 15 14 13 12 11 10 / O \ 26 25 24 23 22 21 20 19 /...

Introduction pitch A member of the forum gave me this card (without the matching breakout box) for R&D purposes. Sometimes R&D gives birth to something so here we are. The initial design for a breakout box was plagued with a few issues, like missing information about some custom chips and lack...

Can you upload that copy somewhere so I can test it there ?

@Phipli No worries I 100% agree with what you said. @croissantking just R&D, sorting stuff from the TODO list :). I kinda want to use another MCU in SPI slave mode and communicate with it from within MacOS. Hardware side is doable, software side we do not have any idea where to start...

Good job ! I still need to find some motivation to do mine. I will grab the cable you used

Thank you for this. I read a few of the files but no motion of SPI. the first file is similar to what you can read in "designing cards and drivers for the macintosh family third edition" I'm assuming the Express Modem is the one using it. On the Express modem dev kit, everything point to using...

Following this. You may want to look at the PB140 CPU card schematics, lot of similarities there

I concur. The bitstream reverse part is impressive, and also a good read Keep up the good work

Hello, I knew for a long time that this series of the powerbook has a SPI bus on the modem connector. From the developer notes it's mentioned that the SPI host is likely the Misc GLU: The documentation (Modem Electrical Interface section) also describes how to switch the modem slot from...

Leaking prototypes :ninja:

Interesting, thanks :)

Memory refresh ? and probably minor but sound

That's tricky because sometimes some lines looks OK outside, and with the angle inside the powerbook the broken wire doesn't have continuity anymore :( PITA to find out

For the top one : 99% this is an early run of a RME HDSPe MADI Card (not the FX, the ones without the DSP in them). First runs came with black bezels, the modern ones are polished. They cost about $1000 each new, don't know about the resale value MADI is a pro digital interface, think...

The wire can break inside the cable on theses. Common problem indeed. One of mine does that, cable is definitively broken It can be the keyboard which is broken as well. Interconnect is just more likely

Mine has a ROM slot as well. That's a feature of "early" boards. Also came without a ROM, so I flashed a 840av ROM into a GGLabs SE/30 ROM, put it in the slot and it booted :) Si no need to build anything custom, 2MB flashable ROMs from Mac IIs will work.

Ho nice, happy that you managed to make it work :)

I had issues with ZIF G4s if the VRM was a little too weak as well as heat issues