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Re: [LUG] MMC Card Format

 

Grant Sewell wrote:
> Simon Williams wrote:
>> Hello everyone.
>>
>> I recently bought a 1Gb Kingston MMC Plus card for my Nokia 9500. I am 
>> not aware of any cards 1Gb or less that don't work with the 9500, and 
>> someone reported that this exact card worked with theirs (as well as 
>> several companies listing them as specifically compatible).
>> But my 9500 just doesn't want to detect it.
>> Unfortunately I don't have another card to test- so I suppose that it's 
>> always possible that the MMC slot of my 9500 is broken in some way (I 
>> sure hope not). I know someone else with a 9500 and a working (128Mb) 
>> MMC card, but they are back in Tavistock and I'm not likely to go back 
>> until Christmas.
>>
>> The 9500 is a bit stupid, and if the card is formatted wrong (by another 
>> device or something), it will not even give you the option to format it. 
>> I can't get the filemanager or backup system or anything to detect it- 
>> they all say "card not ready".
>>
>> I've got a CF card which reads MMC/SD cards and a PCMCIA card which 
>> reads CF cards. So I put the MMC card into that setup and it works fine 
>> in Linux. I tried reformatting it and repartitioning it in serveral 
>> different ways, but the 9500 still says "card not ready" and has it's 
>> own format option greyed out.
>>
>> What is the standard format for MMC cards? I'm pretty sure it's just one 
>> big fat16 partition, but I could be wrong.
>>
>> Does anyone have any other ideas I could try?
>>
>> Thanks
>> Simon
> 
> Hi Simon,
> 
> Rather than trying to give a specific filesystem to the card, do you 
> think that zeroing it (ie wiping out *all* information on it, including 
> any partition table it might have, etc, "dd if=/dev/zero of=/dev/sdX 
> bs=1024", for example) might help?  That way, the card should be 
> completely clean of *any* information and hopefully your Nokia will let 
> you format it appropriately.

I did wonder about something like that, but wasn't sure.
It took ages, and when it had finally finished the 9500 still wouldn't 
do anything with it.

Any other ideas anyone?

Thanks
Simon

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