Re: SCSI-IDE-CF Experiment

[pitz <pitz.wong@gmail.com>]

On Sep 22, 2:14 pm, "Bill Garber" <willy4...@comcast.net> wrote:
> "Alex Freed" <alex_n...@mirrow.com> wrote
> in messagenews:gb8vta$2hn$1@aioe.org...
>
>
>
> > pitz wrote:
>
> >> Interestingly, the SCSI-IDE-CF setup seems
> >> to boot up slower than my external SCSI drive
>
> > I don't find this unusual in any way. SCSI
> > protocol is entirely different from what CF
> > uses, in IDE mode or otherwise. The controller
> > has to read a SCSI command, issue an equivalent
> > to CF, read back the data to a buffer (most likely)
> > and then send the data back to the SCSI controller.
> > At boot time a real disk will take some time to spin
> > up, but in most cases the SCSI controller will wait
> > this time regardless of the presence of a physical
> > disk on the bus.
>
> > -Alex.
>
> What I find 'MOST' interesting, and thought impossible,
> is that this setup has read a CF card removed from a CFFA,
> and directly installed into it without any repartitioning
> or formatting whatsoever. And it still works in the CFFA?
> That is most astonishing!
>
> Or, have I misinterpreted what was said?
>
> Bill Garber from GS-Electronicshttp://www.garberstreet.com
>
> "If you wish to forget anything on the spot,
> make a note that this thing is to be remembered."
> (Edgar Allen Poe)

It was removed from a CFFA and directly attached to the adapters.  I
had four partitions in the CFFA though, and only the first one is
being "mapped" as a SCSI drive.  I'm guessing that the SCSI-IDE
adapter reads the IDE partition table and only uses the first
partition.  The same adapter may not recognize low-level SCSI
partitioning and will not re-partition the drive beyond the 32MB CFFA
partition, but I haven't attempted SCSI partitioning.

I got scrunched for time and wasn't able to see if the CF card I used
works again in the CFFA setup (I suspect it would) -- will look into
that tonight.

/Peter