Re: Carte Blanche Atto (CB for the IIc)

[a2retro <a2retrosystems@gmail.com>]

On Apr 1, 6:57 am, Steve <srk...@gmail.com> wrote:
> Hi all,
>
> Wow, thanks for the feedback. Ill go through and see what I can
> answer;
>
...

>
> --> You might consider rotating the two outboard MicroSD sockets so
> that
> they point out to the ends.
>
> I agree. However, with a board shape that suits all the decided hosts,
> this will determine what space is left. I dont want to design several
> different versions. Just the one atto.

That's understandable. :)

>
> -->  also suggested in an email to you that it would be good to have
> the two inboard MicroSD sockets replaced with a 16x8 SDRAM chip
> (provided there's enough i/o available).
>
> The MicroSD's dont affect memory. The memory is located on the cheap
> SODIMM FPGA module (these are current $60USD to have made in china)
> I have started a version with a 32MBx16 DRAM, so its is on the cards.
> The idea is to interchange to suit whats required. These modules are
> being used in other products, so I am piggy backing off their
> production.

I wasn't sure if you had designed the FPGA module or it was coming
from somewhere else. That's why I suggested replacing 2 of the MicroSd
slots with a SDRAM on the base board if you didn't have control over
the FPGA module. SDRAM on either board would be great.

Glenn