From: David Wood (jbevren_at_starbase.globalpc.net)
Date: 2007-12-14 23:53:22
I have a 1541II board with a broken FDC chip (cracked, literally) thats
begging for an alternate mass storage device. ;)
That said, recreating the 1541 board sounds interesting. Is your idea to
implement an ide-only version? If so that saves much design, as you won't
need the analogue section.
-jbev
On Fri, 14 Dec 2007, Jim Brain wrote:
> The board is sent for review, so if anyone has time this weekend to make
> a last schematic validation, please do so. They'll start the board Monday.
>
> A couple items:
>
> * Due to the yield issues on panels (per board cost as size goes
> up), I'm resisting the urge to rework the board for RAM/ROM/etc.
> at present. That said, If someone gets some code to work but
> needs RAM and extra ROM, I promise I'll spin a board immediately.
> The same goes for a 64/128 implementation. Adding ROM/RAM to this
> design is trivial. Ruud already did it.
> * I want to thank folks for the ideas and the responses. I love
> laying out boards. I also love making them multi-purpose.
>
> Thinking ahead, I went online and found that WDC offers the 65C02S and
> 65C22S in QFP packages. Although a bear to hand solder, adding a bit of
> SMT glue, SMT RAM/ROM, and an IEC connector, you truly could have an
> entire drive in half the space of this design. I had seen the PLCC
> variants, but the QFP ones were new to me. The possibilities are endless.
>
> Jim
>
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>
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