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Re: {Debian (>=Jessie)} AND { MultiMediaCard, SD Memory Card, etc}

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On 12/2/2016 4:21 PM, Jochen Spieker wrote:
> Richard Owlett:
>> I have a well used Lenovo R61 Thinkpad whose sole raison d'etre is to serve
>> as a test platform for experiments which may spectacularly fail.
>>
>> To quote a product description, it has:
>>    Card Reader
>>      4 in 1 card reader
>>      Supported Flash Memory
>>      Memory Stick PRO, MultiMediaCard, SD Memory Card, xD-Picture Card
>>
>> My local supplier has 32GB cards in stock. Not sure which of the above
>> flavors, as I just asked him what he had available that were compatible with
>> my hardware.
>
> He probably has SD cards. All other options in your list have come out
> of fashion.
>
>> I'm pondering an application that could be accomplished with USB flash
>> drives.
>> It would be much "NICER" if that x GB were physically "inside" the laptop's
>> profile.
>
> Beware that this might slightly increase power usage / reduce battery
> life. That's at least my observation from a couple of years ago.
> Depenging on the hardware, an SD card can keep a bus alive that could be
> put to sleep otherwise. But if I would have to guess this is not an
> issue for your use case.

No problem for medium term. It will sit on my desk next to my 
"regular" machine.

>
>> My questions:
>>    1. Can Debian (and to what extent) make use of that storage?
>
> Debian (the linux kernel) can use SD cards just like USB thumb drives or
> other types of removable (and rewritable) storage. It's simply a block
> device.

I was assuming that but thought it better to ask.

>
>>    2. Can Debian itself reside on that medium?
>>       I'm thinking in terms of changing look/feel/function/capabilities/...
>>       of the machine by swapping media before "power up".
>>       [The BIOS *DOES* have some capability to specify precedence of boot
>> devices.]
>
> Debian doesn't really care, but you would have to test whether your BIOS
> can really boot from SD cards.

If it "looks" the same as a USB flash device, there should be no 
problem.


>
>>    3. Any Debian people using this capability who would care to comment?
>>       ["off list" replies fine]
>
> I would like to see replies here. :)
>
> J.
>

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Thread

{Debian (>=Jessie)} AND { MultiMediaCard, SD Memory Card, etc} Richard Owlett <rowlett@cloud85.net> - 2016-12-02 19:10 +0100
  Re: {Debian (>=Jessie)} AND { MultiMediaCard, SD Memory Card, etc} Jochen Spieker <ml@well-adjusted.de> - 2016-12-02 23:30 +0100
    Re: {Debian (>=Jessie)} AND { MultiMediaCard, SD Memory Card, etc} Steven Mainor <steve@degga.net> - 2016-12-03 00:00 +0100
      Re: {Debian (>=Jessie)} AND { MultiMediaCard, SD Memory Card, etc} Richard Owlett <rowlett@cloud85.net> - 2016-12-03 04:00 +0100
      Re: {Debian (>=Jessie)} AND { MultiMediaCard, SD Memory Card, etc} deloptes <deloptes@gmail.com> - 2016-12-03 08:30 +0100
        Re: {Debian (>=Jessie)} AND { MultiMediaCard, SD Memory Card, etc} Curt <curty@free.fr> - 2016-12-03 10:40 +0100
          Re: {Debian (>=Jessie)} AND { MultiMediaCard, SD Memory Card, etc} Richard Owlett <rowlett@cloud85.net> - 2016-12-03 11:40 +0100
        Re: {Debian (>=Jessie)} AND { MultiMediaCard, SD Memory Card, etc} Jochen Spieker <ml@well-adjusted.de> - 2016-12-03 14:10 +0100
          Re: {Debian (>=Jessie)} AND { MultiMediaCard, SD Memory Card, etc} Pascal Hambourg <pascal@plouf.fr.eu.org> - 2016-12-03 15:20 +0100
            Re: {Debian (>=Jessie)} AND { MultiMediaCard, SD Memory Card, etc} Jochen Spieker <ml@well-adjusted.de> - 2016-12-03 19:50 +0100
          Re: {Debian (>=Jessie)} AND { MultiMediaCard, SD Memory Card, etc} Steven Mainor <steve@degga.net> - 2016-12-03 22:50 +0100
      Re: {Debian (>=Jessie)} AND { MultiMediaCard, SD Memory Card, etc} Pascal Hambourg <pascal@plouf.fr.eu.org> - 2016-12-03 10:20 +0100
    Re: {Debian (>=Jessie)} AND { MultiMediaCard, SD Memory Card, etc} Richard Owlett <rowlett@cloud85.net> - 2016-12-03 04:00 +0100
      Re: {Debian (>=Jessie)} AND { MultiMediaCard, SD Memory Card, etc} Jochen Spieker <ml@well-adjusted.de> - 2016-12-03 14:10 +0100
        Re: {Debian (>=Jessie)} AND { MultiMediaCard, SD Memory Card, etc} Richard Owlett <rowlett@cloud85.net> - 2016-12-03 15:30 +0100
          Re: {Debian (>=Jessie)} AND { MultiMediaCard, SD Memory Card, etc} Jochen Spieker <ml@well-adjusted.de> - 2016-12-03 20:00 +0100
  Re: {Debian (>=Jessie)} AND { MultiMediaCard, SD Memory Card, etc} David Christensen <dpchrist@holgerdanske.com> - 2016-12-03 19:50 +0100

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