[Gta04-owner] New SD card setup

Neil Jerram neil at ossau.homelinux.net
Mon Sep 24 22:16:22 CEST 2012


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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