[ale] CF compared to IDE

[Chris Fowler]

More info on the DOM

On Mon, 2003-03-31 at 15:45, Andy Warner wrote:

> Hi Jeff, please to meet you.
> 
> DOM write speeds are variable, but somewhat similar those of
> a raw HDA, but obviously all modern drives have a significant
> buffer between the host interface and the HDA; DOMs do not
> have any such buffering. Hence the write rate is usually on a
> par with a streaming data rates (not burst) to disk. Throughput
> can be bursty, as a sector erase takes place, or garbage
> collection takes place. Chris & I have seen evidence that
> some DOM units do not support DMA (or that the support breaks
> under some circumstances) - I don't know if this would be
> important to you.
> 
> I have not seen any DOM units that offer write speeds similar
> to the newer ultra compact flash units. I guess they'll appear
> if the DOM formfactor is judged a successful niche.
> 
> I have no idea what your application is, but obviously you
> need to pay close attention to write activity (even if it's
> just housekeeping activity.)
> -- 
> Andy Warner
> 
> andyw at linkmargin.com	 	Link Margin		(612) 801-8549


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