Marko Mäkelä wrote: > > Ethan Dicks wrote: > > It means that you might have a defective 6530 chip, or a defective 6504 CPU > > (the one that talks to the floppy drive, not the CPU that talks to the IEEE > > bus). > > Isn't the 8250 equipped with two 6502 processors? At least my 8050 and > 8250 are. It is, this applies to the whole series of those drives, including the SFD1001. The older dual drives (4040) used a 6504 as the drive controller CPU. I had that failure several times, in one case it turned out that the 6530 adaptor board was not seated correctly, but in two other cases it was a dead 6530. I guess a dead drive controller 6502 can also cause that error code, but when I tried to remove that CPU, it just locked up the whole drive. Nicolas Message was sent through the cbm-hackers mailing list
Archive generated by hypermail 2.1.1.