[Color Computer] Re: [Coco] CoCo and SATA/USB drives.

[James Diffendaffer]

Looks like you'll need to look back a few more messages for the rest
of the info.  I don't have time to hunt it down now but I'll post
links once I get a chance.

--- In ColorComputer at yahoogroups.com, "James Diffendaffer"
<jdiffendaffer at ...> wrote:
>
> I didn't post a schematic, just links to the chips and a description
> of the connections.  You should be able to draw up a schematic for
> most of the circuit easy enough.  The address decoding uses a 3 to 8
> decoder so you can select what address it's at.  At least that was the
> intention.  I hope that was the final version.  It is untested so no
> promises that I didn't mess up the active state of any lines.
> http://groups.yahoo.com/group/ColorComputer/message/3109
> http://groups.yahoo.com/group/ColorComputer/message/3115
> 
> The sample scematic for the USB chip would be needed to complete the
> circuit since I didn't include that part of the circuit.  The USB chip
> is the cypris SL811HS.
>
http://www.cypress.com/portal/server.pt?space=CommunityPage&control=SetCommunity&CommunityID=209&PageID=259&fid=10&rpn=SL811HS
> 
> Oh, and I think the Coco 5v line needed to be reduced to 3.3v to power
> the SL811HS.  It is 5v tolerant for signals so nothing else should be
> a problem.
> 
> 
> --- In ColorComputer at yahoogroups.com, Rudolf Gutlich <inforvale@>
> wrote:
> >
> > Hello, 
> > 
> > where do I find info about this schematics?
> > 
> > []s
> > Rudolf
> > 
> > --- ColorComputer at yahoogroups.com escreveu:
> > 
> > >     From: "James Diffendaffer"
> > > jdiffendaffer@
> > >     Date: Wed May 24, 2006 1:49pm(PDT) 
> > > Subject: [Coco] CoCo and SATA/USB drives.
> > > 
> > > Um... what James said.
> > > 
> > > Even standard IDE DMA modes are way faster than the
> > > Coco could handle
> > > let alone SATA 150 or 300.  I do like the new
> > > cabling though!
> > > 
> > > USB 1.1 is as fast as a Coco can really use.  It's
> > > been done on other
> > > 8 bits.  But more importantly... it needs drivers. 
> > > Unless
> > > I/you/someone wants to rewrite Coco DOS or write OS9
> > > drivers you can
> > > show it off with test programs and that's about it. 
> > > I know dit about
> > > OS9 but I'd love to rewrite CocoDOS... right after I
> > > finish about 100
> > > other projects that are half completed.
> > > 
> > > I posted a description of what I thought the address
> > > decoding circuit
> > > and buss adaptation to the required USB chip whould
> > > be.  It was
> > > standard parts.  Feel free to look it up, ask
> > > questions, criticize,
> > > correct or whatever.
> > > I'd love to see someone build one but I haven't had
> > > time.
> > > 
> > 
> > 
> > 
> > 		
> > _______________________________________________________ 
> > Abra sua conta no Yahoo! Mail: 1GB de espaço, alertas de e-mail no
> celular e anti-spam realmente eficaz. 
> > http://br.info.mail.yahoo.com/
> >
>






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