Thanks for the detailed information. These comments will be useful information for those who want to use the WD1773 somewhere. I did a lot of manufacturing Commodore 1581 replica board. I generally used wd1770 and had no problems. WD1772 was hard to find and seemed expensive. I couldn't see any ...

I'm very pleased too, otherwise I would have to find the wd1770. When I said reset, something came to mind. I removed the 13 pin reset of the WD1773. I bent the pin to the side and inserted it into the socket and that long loud noise disappeared. I tried some games, it doesn't seem to be a problem ...

Thanks. The information you provided works. I added a 1k resistor from pin 20 to 5v and it worked. If I short-circuit the 2 pin (disc change) 20 pin of the floopy connector, it still works. I thought of it this way. I'm using Amiga compatible floppy drives to convert from PC on C1581 Replica boards ...

I need help with the with comments last . I found this thread while searching the net. I made Commodore 1581 replica boards. Normally I used WD1770 and they work fine.I received 5 pieces WD1773 from someone else. I also tried C1581 and it didn't work. Problem ; The game reads a little from the ...