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moldy

68kMLA Supporter
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About moldy

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  1. @History_SE30_Dude Two "classic" choice for hobbyists and not so complex projects would be Eagle (now offered by Autodesk) and KiCad. Both can generate gerber files used by the PCB manufacturing companies.
  2. I think @Bolle once mentioned that ROMinator and some of the accelerators are sometimes a cause of boot issues. Maybe this could be it?
  3. @mactjaap that would be awesome, thanks! Looking at the card, it seems it might be using the rather standard for the era DP8390 NIC chip. I'm wondering actually if the drivers for this card were also bundled with the system. And in general maybe someone understands the network card driver situation - what's the API between MacTCP and a network card? Is it true that Apple provided some drivers with the System/Network install floppies?
  4. @PotatoFi did you manage to get the card working? Did you have to install drivers for this card? And if so, where did you get them from?
  5. Amazing, my "for parts" SE/30 board (or actually parts from it) might get a new life thanks to this effort
  6. Thanks a lot! That should be an interesting study material for few evenings
  7. What about DP83901AV in Asante MacCon cards? Is this also not supported? The datasheet says it can also act as a bus master while in the DMA mode.
  8. Thanks @Bolle. Did you ever had a chance to use the original DaynaPort with any accelerator? Have you heard about issues? And do you actually now more about the Declaration ROM of network adapters? What is supposed to be contained there beyond the standard device info? That would unfortunately require to desolder the chips or at least connect over their pins. I will send you a PM, maybe we can find a way to somehow organize that.
  9. Hi, I've looked a bit into options to DIY an Etherner adapter for SE/30. My attention was caught by Daynaport, e.g. one pictured here: It looks relatively easy to reverse engineer as it is based on a SONIC DP83934 chip which does basically everything including the Twisted Pair interface. It also conveniently interfaces with 68k processors as described in the Technical Note AN-691. The tech note also includes GAL equations (basically the address decoder for ROM and the SONIC IC). Now the questions: - Does anyone have a ROM dump for this kind of Daynaport or any card using
  10. @cannfoddr which ICs did you end up replacing in the end? or just a recap was enough?
  11. If you look at my screenshot from MacBench, you can see the results for two frequencies (@16M and @40M; the CPU was always at the default 16M). 40M gives a slight boost to the benchmark score. The card itself has a jumper to configure which clock to use (OSC means the oscillator on the card, SYS is using the C16M signal from the logic board which is 16M).
  12. You can see a difference in Floating Point performance between the system clock (16 MHz) and an external clock (40 MHz) in one of my screens. It's rather little. Probably using a 33 MHz version would be very very close to 40 MHz.
  13. @Arisotura I was wondering, what technique do you use to remove the sockets safely? A desoldering station? Solder wick? I also have a battery victim (a compact mac though), but I'm not sure what would be safest for the board itself.
  14. Thanks a lot for your responses, I will be happy to prepare few boards I have left within few weeks + we can think how to organize the boards in a larger quantity if there's interest. @erichelgeson The connector comes from Digikey (A34313-ND), the oscillator is a standard DIP-8 sized (but with 4 pins) part (e.g. MXO45HS-2C-40M000000) which you can find pretty much everywhere. I've got the FPUs locally, it seems someone playing with Amigas was selling out their stock.
  15. Soldering was not too bad, just a bit boring with that many pins Yeah, adding a ROM socket would considerably complicate the board (potentially call for more layers) and I think most people will be fine with just a cost-efficient FPU extension. Regarding the group buy - I still have 4 spare boards and sockets so I might consider just soldering those few for early adopters. I'll keep you posted
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