[maemo-users] Limited life of flash memory

[From: Mark]

On Mon, Dec 1, 2008 at 4:30 PM, James Knott <james.knott at rogers.com> wrote:
> kenneth marken wrote:
>> On Monday 01 December 2008 23:35:24 Sirio Negri wrote:
>>
>>> Hi all! I found some days ago a few articles about the limited life of
>>> flash memory, specially for usb pendrive. The problem seems to be the
>>> limited times you can write on it. Does it exist also for rs-mmc?
>>> I know that the limit is very high (around 10 million of times) and it's
>>> not a big problem for a normal user. But if you install an OS on it,
>>> like on my Nokia 770, I think that the use of the memory card is bigger
>>> and, if there is that problem, its life is shorter.
>>> Thanks all for any info on it.
>>> Sirio Negri
>>>
>>
>> iirc, the math goes something like this:
>>
>> take the space of the card, divide by write speed, thats how long it will take
>> (in seconds) to do a write of the whole card.
>>
>> a 4GB card at 2MB pr second will take about half an hour to do a full write...
>>
>> now, if the card has a write limit of 10 million, that means it will take
>> about 5 million hours...
>>
>> thats about 580 years of continual writing...
>>
>>
>
> And when that happens, you can probably replace it with a larger one for
> the same money.
>

Make that *much* larger for *less* money...

Mark