[Coco] 2 wasted cpus?

[Frank Swygert]

If the labeling is wrong and the CPUs are 6809 instead of 6809E, that 
would be the problem. I wouldn't call that a "pull", I'd call it a 
quality control reject. Nothing wrong with it as it's a fully functional 
chip, but Jameco should have been supplied with the information and sold 
it as the correct part with a note that it's mislabeled.

The original 6809 is the 1MHz chip (some later ones might be labeled 
68A09), B = 2MHz, C = 3MHz, and had the built in oscillator (crystal). 
There was a packaging label of P (plastic) or C (ceramic) at the end on 
some. Early ones didn't have this as all were plastic, IIRC. Of course 
MC was the Id for Motorola manufactured chips. The Hitachi 6309 may have 
MC as well, since Hitachi was an official "second source" for Motorola. 
I don't recall if they had MC or the Hitachi code (which I don't recall 
either!) in front of the 6309.

-- 
Frank Swygert
Editor - American Motors Cars Magazine
www.amc-mag.com