Jason, I'd just like to point out that when the SD card slot is brought up in 4bit mode, it is barely slower than the eMMC. We're talking only a few hundred kilobytes /s
That is, when I tested on 3.8.x On Fri, Mar 28, 2014 at 11:02 AM, Gerald Coley <[email protected]>wrote: > eMMC uses similar NAND devices as the eMMC. Write life is not a major > concern. With SD cards, you do not know what you are getting. They use a > lot of different controllers and the worst NAND they can find. > > The 2GB eMMC won't be used much longer on the BBB. When we move to 4GB, > you will have more room to move around. > > > Gerald > > > On Fri, Mar 28, 2014 at 12:51 PM, Doug <[email protected]> wrote: > >> Jason, >> >> Thanks for the reply and answers to my questions. >> >> On the emmc my understanding is that it had a more refined internal >> controller that did wear leveling a little better than SD or mSD cards. >> Whether or not this is the case when using the emmc with Linux it will >> eventually fail. How long is anyones guess and depends on the application >> and how you handle writes and where you store temporary data. >> >> So I am curious how users are doing this in their applications? Internal, >> external? Are you worried about write life of the emmc? >> >> Also are there speed differences when using the emmc vs external mSD? >> >> >> >>> >>> >>> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. >> > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
