[Coco] Four slot MPI project

[coco at jechar.ca]

  I would be careful sometimes there are BIOS issues that stop this type 
of adaptor from working.

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
>> 
>> 
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