I'd say that if you could get the CF card into the slot backwards, 
without using a sufficient amount of force to destroy the slot, it was 
incorrectly designed to begin with.  I have a card reader with a type II 
slot where you could possibly incorrectly insert a type one card, 
(though it doesn't come close to seating), but I can't put it in backwards.

John Celio wrote:
>> When Pentax said they were swtiching to SD cards,  I did my own
>> investigating on them and learned about the lock that will prevent the
>> user erasing anything important.  I heard that CF cards were headed in
>> that direction, but never have seen a CF card with a lock on it to prevent
>> erasure.  I have lots of CF cards for my *ist D and Optio 230 Pentax.  Too
>> bad Pentax didn't allow a dual use system like,  I believe,  Canon  did
>> with one of there EOS dslrs.
>>     
>
> This is just an educated guess, but I think a major reason most cameras now 
> use SD cards (other than the smaller size compared to CF) is the number of 
> warranty repairs they had to do on those little pins in the CF slot.  At the 
> camera shop I worked at, we got dozens of people coming in with bent pins 
> because they put the card in the wrong way.  We always made a point of 
> showing people how to do it when they first bought a camera, but it still 
> happened.  Most people with this problem bought their cameras on the 
> internet, though.
>
> Many digital neophytes have problems remembering how to insert CF cards, 
> even when the card has a little arrow on it, or the camera has a diagram 
> showing the proper orientation.  Older folks with poor vision have the worst 
> time with it, I found (no offense to older folks here, I'm just reporting an 
> observation).
>
> Bent pins are a nightmare, because you have to support the customer for 
> something they did from not following the instructions.  It's not a 
> manufacturing defect, but the customer will usually piss and moan like it 
> is.
>
> I think that was a big motivating factor for the switch to SD.
>
> John
>
> --
> http://www.neovenator.com
> http://www.cafepress.com/neovenatorphoto 
>
>
>
>   


-- 
--

The more I know of men, the more I like my dog.
                        -- Anne Louise Germaine de Stael


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