95 vs 96 pcm

[Roger Heflin]

On Wed, 15 Dec 1999, Ken Kelly wrote:

> Eric,
> 	It is as easy as Flipping the Bit!! But first you have to
> find the bit, and since it is a Flash based PCM you need to
> have a complete software package to reprogram it. Before we
> wrote our tools, I socketed my PCM and used a prom burner to
> change things. This is not for the faint of heart. The Flash
> chips are 32 Pin J-lead and are in the middle of a lot of
> components. Removing them and putting sockets on the board
> requires special tools and skills.
> 
> 	If you don't have the tools: Socketing or Flash Programming
> Software, I recommend a 555 timer creating a 50Hz square
> wave to fool the PCM. If you are getting any custom
> programming on the PCM, then get it turned off. I can
> disable it if people need it done. 
> 
> 		Ken

The bit is pretty easy to find.  I wrote dave and offered to tell him
what we looked for to find it.   After we figured out what to look for
it, it was found pretty fast.

				Roger