I'll check my spares box but I don't think I have 512 so I could go with 1010 and just write the upper part.
I didn't quite understand if these are interchangeable so I think it's safer to use the same as the originals (they're 1010 aren't they?) and follow akai's odd method..
So for my S1100 should I go with 27c512 or 27c1010?!
On Jan 29, 2016 6:15 PM, "Ewan Colsell ewanuno@... [akaiS1000S1100Samplers]" <akaiS1000S1100Samplers@yahoogroups.com> wrote:
>
>
>
> for my s1000 I used 27c512 eproms pulled from junk electronics from
> the flea market. you can find them on ebay too.
>
> On 29/01/2016, deanolium@... [akaiS1000S1100Samplers]
>
> <akaiS1000S1100Samplers@yahoogroups.com> wrote:
> > I've just done this myself, and there's one gotcha. Assuming you use 1Mb
> > chips, the rom file has to be burned onto the upper 512kb of both chips.
> > This is because, despite using 1Mb chips, Akai only uses the upper 512kb and
> > the highest address line is held high.
> >
> > It does also mean that you can use a 512kb eprom instead of a 1Mb - though
> > the prices of both nowadays are pretty comparable.
> >
> > Hope that helps!
>
> --
> http://www.ewancolsell.com/
>
>