Re: Compact Flash and IDE interface

[Paul]

After doubting my memory I jumped over to 
http://www.sandisk.com/oem/cf-spec.htm to check out the specs again.  Sure 
enough they state:

Data Transfer Rate to/from Flash 20.0 MB/sec burst 
Data Transfer Rate to/from Host 16.0 MB/sec burst

I have designed my own compact flash to IDE converter from schematics 
supplied by sandisk.  Perhaps the continuous data transfer rate is only 
around 2MB/sec...They fail to mention that so it's probably the case :)

Thanks for your replies, Paul.

On Mon, 19 Nov 2001 04:44, Joel Jaeggli wrote:
> 2MB a second is about right... Flash is slow... I get about that on an
> older 64MB simple technologies flash card... maybe their doc says 16Mb/s
> which would be quite accurate...
>
> On Sun, 18 Nov 2001, Paul wrote:
> > Hi
> >
> > I hope I'm sending this to the right list, sorry if it's not :)
> >
> > With compact flash cards connected via IDE what is the "normal" expected
> > transfer rates?  I have a Sandisk (32 and 128MB) and I only get around
> > 2MB/sec (read test using hdparm) when all the docs from sandisk suggest
> > around 16MB/sec.  They haven't returned my emails so I suspect their
> > specs are a little misleading...they quote around 16MB/sec read transfer
> > rates.
> >
> > What sort of read rates should I be expecting?
> >
> > Thanks
> >
> > Paul
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