[Arm-netbook] It arrived in the post just now!

Christopher Thomas christopher at firemothindustries.com
Wed Jul 31 14:46:27 BST 2013


Whoops. Erroneously sent last empty message. 

To answer your question Luke. Yes, there is a yellow adhesive layer under the casing. 

Christopher Thomas

On Jul 31, 2013, at 6:29 AM, "luke.leighton" <luke.leighton at gmail.com> wrote:

> On Wed, Jul 31, 2013 at 2:34 AM, Henrik Nordström
> <henrik at henriknordstrom.net> wrote:
>> ons 2013-07-31 klockan 01:40 +0100 skrev luke.leighton:
>> 
>>> surpriiise!  i take it they're aware that those buffer overruns - a
>>> stupid bug which i fixed in the 3.3 a20-dev code i initially tested -
>>> probably resulted in allwinner's employees going down a whooole slew
>>> of increasingly-desperate modifications to the A20 USB codebase, when
>>> in fact the problem was simply stack/memory corruption?
>> 
>> Yes, but the issues in 3.4 is different, not really A20 related even.
>> 
>>> yes.  i'm running fel-boot, that works fine, loads off the uSD....
>>> buuuut there's nothing on the NAND (i wiped it).  that's a little
>>> different from bootstrapping from android.
>> 
>> Yes quite different, and with the fel jumper hidden it's not so easy for
>> anyone else to fel boot.
> 
> ... unless you completely wipe the NAND, in which case the cpu will
> jump to fel every time.
> 
>>>> Right.. should also write up a document on how to disassemble the PCMCIA
>>>> casing safely so one can reach the USB-BOOT "jumper" for those who needs
>>>> it.
>>> 
>>> good point.
>>> 
>>> any chance you could put it here:
>>> http://rhombus-tech.net/allwinner/a20/boot/
>> 
>> Added http://rhombus-tech.net/allwinner/a20/EOMA68-disassembly/
> 
> awesome.
> 
>> Any volonteers on writing one with some nice pictures etc?
>> 
>> Points to empasis: (already in page but feel free to rewrite / improve /
>> correct)
>> - Be patient, don't use excessive force
>> - You only need to remove the "top" shield (same side as uSD slot) to
>> reach usb-boot jumper.
>> - Start from the "outside" (hdmi contacts etc).
>> - Push the shield gently to the side to loose it's grip. Wiggle it a bit
>> working up the edges.
>> - The metal is glued to the EOMA68 connector with adhesive tape. When
>> reaching the EOMA68 connector just gently bend one edge the shield for a
>> while until the tape looses it's grip.
> 
> is it?  gosh.  they did a decent job then.
> 
> oh wait.. it might just be the lacquer that they spray on the boards.
> hmmm, you (or someone else) might have to take some pictures because i
> have one of the early ones, it didn't even have the protective sleeve
> inside.
> 
> question, henrik: did the CPU card have a yellow protective sleeve,
> top and bottom inside?
> 
> if not, i'm going to be *really* pissed.
> 
> l.
> 
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