You can spoof the device identification to SCSIDE.exe to trick it into burning the AEC-7726H firmware to an AEC-7722. I have successfully tested this with a AEC-7722 modified in this way, attached to an IDE hard disk. See attached Python script, you'll also need the NktSpyMgr from...
I've acquired a Mac Plus (international version) which makes a flup flup flup noise. Inspection shows that the analog board around R52 (wirewound 5W 1K) is burnt. I can't find a circuit diagram for the international version which would help me identify any other components (e.g. rectifier) which...