David Wilson wrote:
> On Feb 25, 2:09 am, Steven Hirsch  wrote:
>> Does anyone know if the MMI PROM on older Disk ][ controllers has the same
>> pinout as any of the 74S* programmable PROMs?  I'd like to read
the contents,
>> but would prefer not to let the magic smoke out of my programmer.
> 
> According to my Xref databook, the 6309 has the same pinout as
> DM74LS471 and N82S136N and a few others.

Thanks, David.  That's exactly what I needed!
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