[Ham-Computers] SDHC Card reading?

[Robert Moses]

SD cards are issued in compatibility blocks. They are back compatible in
earlier generations, but they are not forward compatible for more
advanced generations of cards. One of the major breaks is between 32GB
and 64GB. It sounds like you have run into such a problem. You probably
need to consider upgrading your reader and software (OS). Try upgrading
your reader (maybe a USB plug in version) and getting a modern OS. You
could get a bootable DVD of Linux to try for free and see if you can
access your SD card with your new reader.

On 07/01/2016 11:12 PM, KD7JYK DM09 wrote:
> I'm using Windows XP, home edition, build 2600, service pack 3.
>
> I have an IOGear multi-card reader on it, everything works fine, only used 
> cards up to 32GB in the past.
>
> I bought a SanDisk 64GB SDHC card today and plugged it in.  Clicking on the 
> drive icon resulted in an error message of "The Card In Drive H: Is Not 
> Formatted" with the option to format.  Formatting did not work, nothing 
> happened.  I clicked on check disk through properties, and got a message 
> along the lines of "Cannot Read File Type".
>
> Is it likely the SDHC card is no good, or more likely there is 
> hardware/software limitations I don't know about?
>
> Kurt 
>
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