I thought the fallout of the infamous lawsuits against the HDD manufacturers was that "8Gb" and "1Tb" as labels on storage media were understood to mean 8x10^9 and 1x10^12, respectively, by the courts. Which is why the "proper" SI notation for file sizes as MiB and GiB is showing up more often these days. On Thu, Jan 19, 2012 at 3:02 PM, Robert P. J. Day <rpjday [ at ] crashcourse [ dot ] ca> wrote: > On Thu, 19 Jan 2012, Singer X.J. Wang wrote: > >> That's a deviation of less then 0.5%.. that's not that bad in most industries.. >> >> S >> >> On Thu, Jan 19, 2012 at 14:48, Robert P. J. Day <rpjday [ at ] crashcourse [ dot ] ca> wrote: >> >> over the last day on the beagleboard list, there was an animated >> discussion that touched on the fact that some "dd" copies to SD cards >> was failing since the actual capacity of the SD card was noticeably >> less than advertised. as in, trying to write a 4G image to an >> allegedly 4G SD card failed, "no space left on device". >> >> is there a utility in linux that will tell me that *real* capacity >> of an SD card if i pop it into the SD slot? if i write an image to an >> allegedly 8G micro SD card and pop it into my beagleboard, and stop in >> u-boot, what i can do is: >> >> # mmcinfo >> Device: OMAP SD/MMC >> Manufacturer ID: 27 >> OEM: 5048 >> Name: SD08G >> Tran Speed: 25000000 >> Rd Block Len: 512 >> SD version 2.0 >> High Capacity: Yes >> Capacity: 7969177600 <--- AHA! >> Bus Width: 4-bit >> # >> >> that's *clearly* less than a true 8G. is there a way to see that in >> linux? thanks. > > huh? 8G is officially 8589934592. the value above is a full 8% > smaller. > > rday > > -- > > ======================================================================== > Robert P. J. Day Ottawa, Ontario, CANADA > http://crashcourse.ca > > Twitter: http://twitter.com/rpjday > LinkedIn: http://ca.linkedin.com/in/rpjday > ======================================================================== > > _______________________________________________ > Linux mailing list > Linux [ at ] lists [ dot ] oclug [ dot ] on [ dot ] ca > http://oclug.on.ca/mailman/listinfo/linux > -- Evil will always triumph, because good is dumb