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Szerző: Fred
Dátum:  
Címzett: dng
Új témák: [DNG] [OT] Flash memory testing on Windows (was: fdisk SD card partitioning question)
Tárgy: Re: [DNG] fdisk SD card partitioning question
On 6/12/22 14:33, tempforever wrote:
> Fred wrote:
>> Hi,
>> As supplied the SD cards are intended to work with Windows.  Under
>> Linux only root can write to them and the ownership can not be
>> changed.  I want preserve permissions of data written to the card.
>>
>> root@aragog:# /sbin/fdisk -l /dev/sdb
>> Disk /dev/sdb: 27.48 GiB, 29504831488 bytes, 57626624 sectors
>> Disk model: Card-Reader
>> Units: sectors of 1 * 512 = 512 bytes
>> Sector size (logical/physical): 512 bytes / 512 bytes
>> I/O size (minimum/optimal): 512 bytes / 512 bytes
>> Disklabel type: dos
>> Disk identifier: 0x00000000
>>
>> Device     Boot Start       End   Sectors  Size Id Type
>> /dev/sdb1       32768 124735487 124702720 59.5G  7 HPFS/NTFS/exFAT
>>
>> I don't know why the size is reported differently in two places.  It
>> is a 64GB card.
>>
>
> A couple things come to mind.  Yes, it could be an acutal 32 GB card
> that was designed to appear as 64 GB (as was already mentioned).
> Another possibility: is it an issue with the "Card-Reader" device?
> Check the card in another computer or with a different card reader, does
> it still appear 32 GB?
> One other possibility (but less likely IMO), if the card is put back
> into Windows machine, does it appear as 64 GB?
>
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Hi,
I only have one usb-sd card reader. They don't cost much so I may order
another.

I don't use Bill Gates' cancerous, virus infested scourge of the Earth
excuse for an OS and don't have access to it.

Best regards,
Fred