[Coco] 2 wasted cpus?

[Luis Antoniosi (CoCoDemus)]

interesting to say the label is MC68B09E without the P as common to see. I
know P means PLASTIC DIP but why is this label different ?



On Fri, Mar 8, 2013 at 2:04 PM, Willi Kusche <CoCo at wilserv.com> wrote:

> Hi!
>
>     Below my signature is the text of a message posted to comp.sys.apple2
> last year.
>
> Willi
>
> ============================Message text:
> Alex Freed                                      Jul 20 2012, 5:08 pm
> 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
>
> --
> Coco mailing list
> Coco at maltedmedia.com
> http://five.pairlist.net/mailman/listinfo/coco
>



-- 
Long live the CoCo