[Arm-netbook] Booting from SD card with switch on so-dimm in other direction ...

[Adam Gill]

yes good idea .... i may put even more switches for all the other 
possible alternatives  :-)   ... as they arise ...

JLB wrote:
> Rather than having wires hanging out the side, why not melt a small hole 
> in the laptop casing and shove a switch in there? :D
>
> On Tue, 23 Mar 2010, Adam Gill wrote:
>
>   
>> Hi Jon, Luke .....
>>
>> So far I have been unsuccessful with Luke's method ....
>>
>> I will solder wires out each side of R46 ..which can then be shorted from 
>> outside the netbook when re-assembled ....
>>
>> i believe you have  directly copied the entire NAND flash 2gb DIRECTLY onto 
>> the 2gb SD card ....
>>
>> Could you upload exactly what you have put on the sd card? .... and how do i 
>> format the sd card? is it a straight copy and paste?
>>
>> I will try both methods once i got the open of the shorted wires sorted out ?
>>
>> Much appreciated ----
>>
>> Adam
>>
>>
>>
>> Luke Kenneth Casson Leighton wrote:
>>     
>>> On Tue, Mar 23, 2010 at 1:15 PM, Luke Kenneth Casson Leighton
>>> <luke.leighton at googlemail.com> wrote:
>>>
>>>       
>>>> argh argh my tiny brain can't handle the maths on this one, working
>>>> out from the "old" partition what is supposed to be done unless you
>>>> have a 2gb SD card.
>>>>
>>>> erm erm erm...
>>>>
>>>>         
>>>  ok these are the fdisk commands.
>>>
>>>  on any linux system, insert 2gb SD card, check where it got mounted
>>> (/dev/sda, /dev/sdb or /dev/mmcblk0) do this:
>>>
>>>  fdisk /dev/{whatever}
>>>
>>> then type these (return after each, blank line indicates press return as 
>>> well)
>>>
>>> d
>>> 1
>>> d
>>> 2
>>> d
>>> 3
>>> n
>>> p
>>> 3
>>>
>>> +1400M
>>> n
>>> p
>>> 2
>>>
>>> +480M
>>> n
>>> p
>>> 1
>>>
>>> w
>>>
>>>
>>> you must have _exactly_ a 2gb SD card for this to work.  this will
>>> create three partitions, in _reverse_ order, the last will be in
>>> exactly the right place and exactly the right size so that _this_
>>> file, when uncompressed, can be shoved directly onto partition 1 (at
>>> the end):
>>>
>>> http://lkcl.net/arm_systems/CT-PC89E/mmcblk0p1.bz2
>>>
>>> you will do that with:
>>>
>>> $ bunzip2 mmcblk0p1
>>> $ dd if=./mmcblk0p1 of=/dev/{partition 1 of sd card} bs=512
>>>
>>>  so if from above you are using /dev/sda then that's dd if=./mmcblk0p1
>>> of=/dev/sda1 but if your SD card is mounted as /dev/mmcblk0 then it's
>>> of=/dev/mmcblk0p1
>>>
>>> l.
>>>
>>>
>>>       
>>     
>
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