Re: MMC vd SC Card

[Krzysztof Wilk <chris@gridwisetech.com>]

Hello,

> My only MMC vs. SD experience was, that I couldn't read an SD card through
> my cheap, usb-connected memory card reader. 
Did you try to access it as "USB mass storage" device?
I do not have such a reader so I cannot confirm it, but some people said 
it worked for them.

> I sold it, bought an MMC card
> and that works. Actually, I have no idea what the "Secure" word stands for
> in "Secure Digital".
I think it is marketspeak for write protection :). In case of SD cards 
it is implemented the same way as in vintage 3.5" floppies (i.e., 
mechanical switch).

Best,
Chris
--
Krzysztof Wilk                        chris@gridwisetech.com
Gridwise Technologies                 http://gridwisetech.com
Grid Consulting and Training          Serving US and Europe