[Gta04-owner] New SD card setup

Lionel Broche lionel.broche at gmail.com
Fri Oct 5 23:17:44 CEST 2012


Hi,

I am in the process of creating the SD card too, and that seems similar to
the creation of a boot card for the Letux400. Could it be possible to adapt
the script?
I just cannot find a documentation about the commands for fdisk so I don't
feel like trying for now.

Lionel


On 24 September 2012 21:16, Neil Jerram <neil at ossau.homelinux.net> wrote:

> Neil Jerram <neil at ossau.homelinux.net> writes:
>
> >>>> * You need specially partitioned SD card. The partitioning is
> described
> >>>>  here: http://code.google.com/p/beagleboard/wiki/LinuxBootDiskFormat
> >>>
> >>> and that beagleboard link includes a section called "Set the Geometry
> of
> >>> the SD Card".
> >>>
> >>> My question is whether that section really matters, and if so why.
> >>> IIRC, I followed it when setting up my last SD card, but then I found -
> >>> when printing the partition record again - that all those changes
> hadn't
> >>> stuck.  I.e. the numbers of heads, cylinders etc. had reverted back to
> >>> what they were initially.
> >>>
> >>> Can someone explain whether and why those instructions are needed?
>
> [...]
>
> >> To summarize: if your X-Loader and U-Boot in NAND is ok, you don't have
> >> to format the SD card in any special way (except making at least two
> partitions).
> >> And you don't even have to store a "MLO" file on it.
> >>
> >> Hope this helps,
> >> Nikolaus
> >
> > Many thanks for explaining that, Nikolaus.  I'll try it with the new SD
> > card and hope that it sticks this time.
>
> FWIW, my new SD card (a SanDisk 16Gb SDHC) already said "255 heads, 63
> sectors/track", so I didn't need to change it.
>
>       Neil
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