[GeoStL] Re: NGR: SD vs CF speeds
- From: Chris Binder <cpbinder@xxxxxxxxxxx>
- To: <geocaching@xxxxxxxxxxxxx>
- Date: Tue, 30 Dec 2003 20:34:28 -0500
-
I got a response from SanDisk today and they're willing to replace the
card...but I just bought another type of card, made by another brand. The C/F
card works fine for storing documents, photos, etc... Should I replace the card
if it's working fine otherwise?
~Chris
>
> From: "BottomFeeder" <BottomFeeder@xxxxxxxxxxxxxx>
> Date: 2003/12/30 Tue PM 08:13:31 EST
> To: <geocaching@xxxxxxxxxxxxx>
> Subject: [GeoStL] Re: NGR: SD vs CF speeds
>
> -
>
>
>
> -= Russ =-
>
> > -----Original Message-----
> > From: geocaching-bounce@xxxxxxxxxxxxx
> > [mailto:geocaching-bounce@xxxxxxxxxxxxx] On Behalf Of Chris Binder
> >
> > -
> > I dunno if that person knows what they're talking about.
>
> Could be....could be.
>
> But it could also be the guy on Aximsite doesn't have a clue.
>
> I mean, if he thinks using CF cards in a digital camera (one of their first
> significant uses) is 'basically general storage', then I do have to question
> his knowledge. The ability to write data to the card *quickly* for that
> purpose is very important. Ya just can't take another pic until the last one
> is written to the card (or at least such was the case 'back in the
> day'....these days, most if not all digicams have a buffer that allows at
> least some data to be stored until it's written to the card).
>
> Ask yourself.....
>
> How many I/O devices do you see in SD format? Things like GPS cards, modems,
> etc. How many digital cameras come with SD slots? Not many. There are a
> *few*, but at this point few and far between. By contrast, there are a quite
> of few of these type devices available in SD format.
>
> But go back and read the response I quoted. The truly operative phrase in
> that was that all ppc's only support 1-bit speeds anyway. If that's true,
> then the speed of the card is almost irrelevant, no?
>
> It sounds to me like you just got unlucky with your first CF card. If you
> bounce around the 'Net enough, you'll run across all sorts of reports of
> some brands of either format working better with some brands of pda's (or
> digital cameras) than others, some brands of either format just seem to have
> a higher failure rate in general...yada yada Yoda.
>
> Russ (BottomFeeder)
>
>
>
>
> > "CompactFlash was initially made for photos, documents, and
> > notes. Basically general storage. The Ultra (10x) cards can
> > play music. SecureDigital cards were initally made for music
> > and fast transfers. I hope that answers your question."
> >
> > FWIW, I bought a SD card, and it plays music just fine. It's
> > even better than the internal storage on my dell axim. I
> > tried the C/F card again, and it doesn't want to play music
> > back anymore. So, I'm just using that for documents and
> > programs and the SD card will be used for music.
> >
> > ~Chris
> >
> >
> > ----- Original Message -----
> > From: "BottomFeeder" <BottomFeeder@xxxxxxxxxxxxxx>
> > To: "Geocaching List" <geocaching@xxxxxxxxxxxxx>
> > Sent: Tuesday, December 30, 2003 7:20 AM
> > Subject: [GeoStL] NGR: SD vs CF speeds
> >
> >
> > -
> > FWIW, I was curious about the question of expansion card
> > speeds discussed a couple days ago, and as I had no clue
> > myself about the potential speeds of either, I posted a
> > question in a forum on one of my fave pocketpc sites. The
> > following is the response I received.......
> >
> > "I understand that SD is 1bit interface and CF is 4bit
> > interface, therefore CF is still faster than SD. however
> > Panasonic's SD is the only SD that is 4bit hence the 10mbps.
> > the rest are still 2mbps. all PPCs only support 1bit at the moment."
> >
> >
> > -= Russ =- (BottomFeeder)
> >
> >
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