[Coco] Four slot MPI project

[Gene Heskett]

On Monday 30 July 2018 10:58:37 coco at jechar.ca wrote:

>   I would be careful sometimes there are BIOS issues that stop this
> type of adaptor from working.
>
How about a URL?, I would love to investigate this device.

> On 2018-07-30 10:54, James Jones wrote:
> > There are indeed such adapters; a friend of my wife's has an old
> > laptop that doesn't know from SATA, and we were looking into whether
> > it's worth
> > upgrading with RAM and an SSD. We ran across devices built to fit
> > the 2.5"
> > form factor that you can plug an M2 SATA SSD into and then connect
> > to something expecting PATA.
> >
> > On Sun, Jul 29, 2018 at 9:47 PM, Dave Philipsen <dave at davebiz.com>
> >
> > wrote:
> >> A SATA interface is not an easy thing to design or support
> >> considering that there are no drivers to support it in the 6809
> >> world and that you would not see a performance benefit over
> >> parallel ATA (in the 6809 world).
> >> There are inexpensive adapters still available (I believe) that
> >> would do
> >> the conversion between parallel ATA (IDE) and SATA which would
> >> probably be
> >> much easier to work with considering that the PATA is a much
> >> simpler interface for which we already have support for the CoCo. 
> >> The PATA interface has way more throughput than any CoCo at any
> >> speed would ever be
> >> able to utilize.
> >>
> >> The SATA interface is pretty complex and runs at gigabit speeds.
> >> I’m not
> >> saying it can’t be done but I’m not sure the effort would be worth
> >> it.
> >>
> >> Dave
> >>
> >> >> On Jul 29, 2018, at 1:56 PM, Gene Heskett <gheskett at shentel.net>
> >> >> wrote:
> >> >
> >> > But we seriously need a sata interface, and to widen the market
> >> > count,
> >>
> >> it
> >>
> >> > should not be an adapter from scsi to sata, as that would limit
> >> > it to use with the relatively few scsi interfaces about. It
> >> > should plug directly into a multi-pack. And because the drives
> >> > are huge in comparison to what the coco can address, how about a
> >> > dip switch to set the offset such that it could mimic 50 or so
> >> > 2GB drives. Or even a register that could be poked from the
> >> > startup to set that offset for /s1, leaving /s0 available as the
> >> > default boot drive, but all on one SSD.
> >> >
> >> > --
> >> > Cheers, Gene Heskett
> >> > --
> >> > "There are four boxes to be used in defense of liberty:
> >> > soap, ballot, jury, and ammo. Please use in that order."
> >> > -Ed Howdershelt (Author)
> >> > Genes Web page <http://geneslinuxbox.net:6309/gene>
> >> >
> >> > --
> >> > Coco mailing list
> >> > Coco at maltedmedia.com
> >> > https://pairlist5.pair.net/mailman/listinfo/coco
> >>
> >> --
> >> Coco mailing list
> >> Coco at maltedmedia.com
> >> https://pairlist5.pair.net/mailman/listinfo/coco



-- 
Cheers, Gene Heskett
--
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>