Re: More on 6809 board.

[Michael J. Mahon <mjmahon@aol.com>]

Alex Freed <alex_news@alexfreed.com> wrote:
> A few strange thing happened: the 6809 CPUs bought from Jameco didn't
> work. Naturally first I suspected my board, but an older CPU worked fine.
> I got myself a Tandy Color Computer (for $20 on e-bay) to play with the
> 6809 and the CPUs from Jameco didn't work in it either. OK, so the web
> page says the CPUs are "pulls". Fortunately the Jameco store is just 5
> minutes driving from my house. The technician tells me the "pulling" was
> done by Motorola and they were refurbished at the factory. And apparently
> mislabed. The chips are operational all right but with internal
> oscillator - a crystal between pins 39 and 38. Then Q and E signals are
> DRIVEN by the chip. In other words what I got were 6809 *without* the "E"
> suffix, but labeled  MC6809EP. These can't be used for the Mill. Need to
> get them elsewhere.
> 
> At the same time I still can't figure out how to write an OS9 floppy. I
> had high hopes that the CAT9 program posted to the Apple6809 group will
> help to figure out which way - PO or DO is right. Guess what - both are
> OK with this program! Does anyone have an Apple OS9 floppy that is known
> good? I'll feel better if I can test that OS9 runs.
> 
> -Alex.

This is what a .sdk archive solves completely. 

No matter what the sector order or file system, ShrinkIt will write a 5.25"
diskette identical to the one it shrank. (I'm talking about 8-bit
ShrinkIt.)

-michael - NadaNet 3.1 and AppleCrate II: http://home.comcast.net/~mjmahon