I'm not going to have an the G vs Gi discuss....

98% of the industries that uses the term G to mean G
2% of the industry (and not even all the computer industry) uses G to mean
Gi

S


On Thu, Jan 19, 2012 at 15:02, Robert P. J. Day <[email protected]>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 <[email protected]>
> 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
> ========================================================================
>

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