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Old 12-11-2006, 06:45 AM
TERRY DONSHICK
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Default Cingular 8525 memory usage

Does anyone know why a brand new 512 MB micro SD card only shows 483.56mb
when installed on a 8525?. I don't have any programs running. Is there
something added by the Mobile PC 5.0 OS that uses this space.


Thanks,


Terry D.

P.S.: This is happening on (2) 8525 units with 512 MB micro SD cards.



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Old 12-11-2006, 08:38 AM
Todd Allcock
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Default Re: Cingular 8525 memory usage

At 11 Dec 2006 06:45:48 +0000 TERRY DONSHICK wrote:
> Does anyone know why a brand new 512 MB micro SD card only shows
>483.56mb when installed on a 8525?.


Relax- it's normal!

Some of the loss is to formatting and file system overheat (FAT or "File
Allocation Tables") but most of the "loss" is "memory math."

In computerese, a MB is 2^20 bytes, or 1,048,576 bytes. However, hard
disk and flash card companies round a MB to an even 1,000,000 bytes. So,
your manufacturer is claiming your card has 512 MB, or 512,000,000 bytes,
which your computer thinks is 512,000,000 / 1,048,576 or 488.28125 MB.
You've lost the rest to file system overhead.


> P.S.: This is happening on (2) 8525 units with 512 MB micro SD cards.


It's happening to the xx GB hard disks on your PCs as well!



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