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uyjulian

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  1. uyjulian

    SCSI to Ethernet Adapter on New Hardware

    I'm curious if it's possible to make a SCSI port multiplier, or if it's daisy chain only. There's also the Scuzzygraph, which provides a display through SCSI. A device similar to that would be nice to easily add more displays. --- I'm curious if some processing is offloaded (similar to the Apple Ethernet NB card).
  2. uyjulian

    SCSI to Ethernet Adapter on New Hardware

    Would this be any faster than serial?
  3. Use Disk Utility to convert to raw disk image
  4. File System Manager exists, which is the interface to add other file systems. I haven't really looked into it yet to see how you access and mount filesystems versus the FUSE interface. FatFs is an open source library implementing FAT file systems including exFAT. Also, the open source lwext4 library exists for ext2/3/4 file systems.
  5. uyjulian

    SCSI2SD as an External HDD for Multiple Macs?

    You can use different SD cards with SCSI2SD. If you want to use one SD card, you can change the partition/drive mapping by usage of scsi2sd-util. In case of internal HDD failure, you may need to remove the internal HDD to avoid a delay in boot.
  6. Cross application communication could be done easily using Apple Events. Each application could run in its own Toolbox environment. It seems like Elliot Nunn is disassembling the Classic ROM.
  7. I know adding RAM to a 4•8 card allows it to operate as a 8•24 card, but what happens when you add RAM to a 8•24 card? This "chip" was very easy to pull off of the card. Looking at other images of the 8•24 card, I've seen plastic packages, but none of this kind. Was it a prototype card? (By the way, some pins were already bent before I pulled it off)
  8. I think it would be nice to start up emulating the Toby graphics card, since it should be compatible with most software including A/UX. About QuickDraw acceleration: What about emulating 68k code? It can possibly be quite a bit faster with little effort compared to reimplementing QuickDraw, and it could also work for other types of graphic drawing code like QuickDraw 3D or OpenGL.
  9. uyjulian

    601 processor replacement experiments

    FPGA would be interesting. However, the Apollo core is closed source (because they are intending to manufacture it on ASIC), so an alternative method would be needed. It would be interesting to accelerate 68k on ARM processor. This exists: https://github.com/PandTomB/uae4arm
  10. uyjulian

    SCSI2SD image editing

    Use losetup to create a loop device for the 2nd drive at an offset, then mount that. You can also extract the image for the 2nd drive using dd at an offset, make changes, then reinsert the image.
  11. There are high reliability/industrial SD cards available if you are concerned about reliability and endurance.
  12. uyjulian

    Rusty on my SCSI Etiquette.

    The port doesn't really matter, but you need a terminator on the bus. Some devices have a built-in terminator, while others will require an external one.
  13. uyjulian

    Extended Keyboard II troubleshooting

    For those keyboards, I remove each of the keys, get a tub of water, then shake the assembly around. It will get rid of most of the stuck hair and dust, but residue may remain on the assembly between the keys. In that case, I grab some paper towels and wipe around the keyswitches, and do another round of water to clean up the particles from the paper towels.
  14. uyjulian

    Wifi Extension Development Thread

    Stripping the binary, disabling exceptions, and using static functions (no vtables) may also reduce code size.
  15. uyjulian

    Picked up a Mac IIci with some accessories!

    ROM card is optional; the on-board ROM is used if the jumper is set.
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