DOC vs. IDE

[ollie lho]

On Mon, 2002-09-30 at 13:50, Steve M. Gehlbach wrote:
> > Hello from Gregg C Levine
> > Steve? How so? How did you physically connect the CF card to your
> > IDE bus? I
> > know a number of adapters exist to enable that feature, and I
> > know that the
> > 2.4 series contains the MTD (Memory Technology Drivers) functions
> > directly,
> > but after that, I'm lost.
> >
> 
> CF is electrically IDE compatible, but not physically.  It requires an
> adaptor, but the adaptor is completely passive except for the power
> connector.  I bought mine from from this site a while ago:
> http://www.pcengines.com/cflash.htm.  Otherwise, you use CF just like a
> regular HDD, no special drivers required.
> 
> CF is less than 1/2 the price of DOC, so I have never really understood why
> DOC became popular.
> 

Most wear-leveling algorithm in CF or DOM are rather stupid (if they do
have) which result in unreliable parts. The algorithm in DOC's NFTL is
a little bit better.

Ollie