Re: [OLPC New Zealand] New prototype XO-1.75s in Auckland, New Zealand

[tom]

On Tue, August 23, 2011 11:56 am, James Cameron wrote:
> On Tue, Aug 23, 2011 at 10:16:31AM +1200, t...@carrott.org wrote:
>> http://wiki.laptop.org/go/XO_1.75_B1 points to Q4B06
>
> Removed.

Hmm.. I meant to say
http://wiki.laptop.org/go/XO_1.75_11089_Fix points to Q4B06, but if there
is one in XO_1.75_B1 then it's good that is gone too. I've updated
XO_1.75_11089_Fix to point to the Firmware page.

http://wiki.laptop.org/go/Firmware#XO-1.75 doesn't list Q4B07, is that
still experimental?

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Re: [OLPC New Zealand] New prototype XO-1.75s in Auckland, New Zealand

[tom]

On Mon, August 22, 2011 11:15 pm, James Cameron wrote:
>> The documentation is a bit chaotic so it's hard to work out what build
>> and firmware should be on it.
>
> I saw the Wiki XO-1.75 page was a bit out of date, as was the XO-1.75 B1
> page, but I checked and they looked reasonable at the moment.  Let me
> know if there's any other documentation that is lacking, or flag it with
> a comment in the Wiki.

I looked on the front page of the olpc wiki but only found information for
the older models and the server. Given the 1.75 is going out to a wider
audience, maybe it should be included in that box too?

http://wiki.laptop.org/go/XO_1.75_B1 points to Q4B06
http://wiki.laptop.org/go/XO-1.75 has a "Software Builds" link which
points to the F13 series.

Is there stable location to point to for the latest build and firmware?

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Re: [support-gang] XO 1.5 Solder Reflow in Toaster Oven

[Kevin Mark]

On Mon, Aug 22, 2011 at 06:05:11AM -0400, DancesWithCars wrote:
 
> (BTW, Google+ doesn't like my name,
> so won't be publishing that way)
Anyone wants a Disapora invite?
You can use emoticons, UTF-8 or one name to sign up.
It free as in free speech. 

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Re: [support-gang] XO 1.5 Solder Reflow in Toaster Oven

[Kevin Mark]

On Sun, Aug 21, 2011 at 10:15:54PM -0400, Chris Leonard wrote:
> On Sun, Aug 21, 2011 at 9:11 PM, Samuel Greenfeld  
> wrote:
> > It's probably also worth noting that to the best of my knowledge, no one at
> > OLPC would recommend to typical XO users sticking any part of an XO in a
> > toaster oven.
> >
> > If we encounter a laptop which we believe has this soldering issue, we
> > usually send it back to the factory instead of attempting to repair it
> > ourselves.
> 
> One wonders what ihe international logo for "do not insert in toaster
> oven" would look like.  Perhaps it could be added to the attached.
> 
> 
> cjl
There -is' one more stop in last row for such a symbol :)
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Re: [OLPC New Zealand] New prototype XO-1.75s in Auckland, New Zealand

[James Cameron]

On Tue, Aug 23, 2011 at 12:04:06PM +1200, t...@carrott.org wrote:
> http://wiki.laptop.org/go/XO_1.75_11089_Fix points to Q4B06, but if there
> is one in XO_1.75_B1 then it's good that is gone too. I've updated
> XO_1.75_11089_Fix to point to the Firmware page.

I've removed the "or later", because I can't promise every later version
will work in this way, though it should.  When I release a later version
I won't be checking that it recovers this kind of brick.

> http://wiki.laptop.org/go/Firmware#XO-1.75 doesn't list Q4B07, is that
> still experimental?

Thanks, I've made it public.

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Announcing Q4B07 for XO-1.75 (5th August)

[James Cameron]

Q4B07 is released.

http://wiki.laptop.org/go/OLPC_Firmware_q4b07

New XO-1.75 volunteers should upgrade, as some of the issues fixed may
cause you to report bugs.  In particular, the battery LED is fixed, and
several self-test problems are fixed.

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Re: [OLPC New Zealand] New prototype XO-1.75s in Auckland, New Zealand

[James Cameron]

On Tue, Aug 23, 2011 at 10:16:31AM +1200, t...@carrott.org wrote:
> http://wiki.laptop.org/go/XO_1.75_B1 points to Q4B06

Removed.

Made the Software Support section intro cleaner.

> http://wiki.laptop.org/go/XO-1.75 has a "Software Builds" link which
> points to the F13 series.

Removed.

Thanks for that.

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Re: [Testing] [OLPC New Zealand] New prototype XO-1.75s in Auckland, New Zealand

[James Cameron]

On Mon, Aug 22, 2011 at 06:56:38PM -0400, Kevin Gordon wrote:
> http://build.laptop.org/F14-arm/os36/
> http://dev.laptop.org/pub/firmware/q4b07/
> should do the trick

Not really.  That's just the current build and firmware, not a stable
location to point to for the latest, which is what Tom asked for.

For firmware, the release process includes an update to the Firmware
page on the Wiki, in the XO-1.75 section.  You might watch that page.
I've adjusted XO_1.75_B1 page accordingly.

As one of the release engineers for OpenFirmware, we tend not to update
the Firmware page if the release is either (a) a fix that only affects
the manufacturing plant, or (b) requires extensive testing in the team
before we let the volunteers work with it.

I'll let Peter respond for the operating system builds.

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Re: Re: New prototype XO-1.75s in Auckland, New Zealand

[James Cameron]

On Mon, Aug 22, 2011 at 09:54:48PM +1000, fors...@ozonline.com.au wrote:
> Got it unbricked ok and installed os36

Good.

> Does it need the mod where you put tape on the heat spreader near the
> power jack?

http://wiki.laptop.org/go/XO_1.75_B1#Possibility_of_Shorting_Vin

My opinion is that you should do this modification if you plan to test
with a child, or plan to risk applying force to the back panel, e.g.
carrying the laptop unprotected in a personal luggage bag.

> There is a thread on the heat spreader, are there any precautions to
> refit it ok?

Try not to remove it unless you must.  On the XO-1.75 the heat budget is
much cooler, so it is not as critical, but hey, you're in a hot country.
The XO-1.75 heat spreader should have an additional mounting point on a
limb, so make sure you screw that one down too.

I don't yet know if you need to remove the heat spreader to place the
insulating tape.

> Fails on restart, need then to reboot.

#11153, please test again once this ticket asks or is closed.

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Re: [Testing] [OLPC New Zealand] New prototype XO-1.75s in Auckland, New Zealand

[Kevin Gordon]

http://build.laptop.org/F14-arm/os36/
http://dev.laptop.org/pub/firmware/q4b07/
should do the trick



On Mon, Aug 22, 2011 at 6:16 PM,  wrote:

> On Mon, August 22, 2011 11:15 pm, James Cameron wrote:
> >> The documentation is a bit chaotic so it's hard to work out what build
> >> and firmware should be on it.
> >
> > I saw the Wiki XO-1.75 page was a bit out of date, as was the XO-1.75 B1
> > page, but I checked and they looked reasonable at the moment.  Let me
> > know if there's any other documentation that is lacking, or flag it with
> > a comment in the Wiki.
>
> I looked on the front page of the olpc wiki but only found information for
> the older models and the server. Given the 1.75 is going out to a wider
> audience, maybe it should be included in that box too?
>
> http://wiki.laptop.org/go/XO_1.75_B1 points to Q4B06
> http://wiki.laptop.org/go/XO-1.75 has a "Software Builds" link which
> points to the F13 series.
>
> Is there stable location to point to for the latest build and firmware?
>


http://dev.laptop.org/pub/firmware/q4b07/
http://build.laptop.org/F14-arm/os36/  and

should do the trick



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Re: XO 1.5 Solder Reflow in Toaster Oven

[John Watlington]

I hope you did indeed fix the problem.
I would point out, however, that 385F isn't
quite high enough to melt the lead-free solder
used in the XO-1, and those laptops might
fail again soon.

Suggestions for future tries:

Start by baking the board for thirty minutes
at 180F (below the boiling point of water), to
remove any moisture that has been absorbed
into chip packaging or the PCB.   If significant
moisture has been absorbed, putting them directly
into a high temp oven will cause "popcorning".

In a normal reflow oven, the board goes through
1 to 3 minutes at between 300 and 400F, then
1 to 3 minutes at over 425F, with at least thirty
seconds within 5 degrees of 500F.   It spends
around 8 minutes total in the reflow oven.

There are two main concerns: melting the plastic
connector housings, and parts falling off or moving
around on the board.

Best of Luck,
wad

On Aug 22, 2011, at 12:00 AM, Chris Ball wrote:

> Hi,
> 
> On Sun, Aug 21 2011, Anna wrote:
>> And no, this is definitely not for the "typical" user, but hey, on
>> Friday I had two dead XO 1.5's and now on Sunday evening I've got two
>> working units. No idea on the longevity of this fix, but OLPC is all
>> about experimentation, right?
> 
> +1 from me.  Nice job!
> 
> - Chris.
> -- 
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I know America 2

[Alan Jhonn Aguiar Schwyn]

ENGLISH: (Español abajo)
Hello! 
Yesterday was published version 2 of "I know America." After 1 month and 7300 
downloads .. This version was ready. I have received thousands of emails with 
congratulations, but I want reviews! I think more useful .. although not bad 
thanks welcome ... The only way to improve something is in critical ... I was 
on Thursday and Friday with people from the University of Loja, Ecuador and I 
had 2 corrections I made about some names of 2 provinces Ecuador. Changes in 
this version are: 
- Fixed problems with scaling on different machines to XO: for 
example, the JumPC. The problem was with the bar scores and progress. 
Also in the displayed text during the presentation. - Corrected the 
name of two provinces of Ecuador. - You end up translating the statistics 
into English. - Small fixes are also conducted in other translations. - 
Added: self.max_participants = 1 - Added bar "breakthrough" that will show 
the progress of the game. - Added image of the screen JP "about." - The 
complete statistics for all countries. - Changed "datos.png." It is now 
replaced by "bandera.png" (which save the country flag). - Created 
"estadisticas.txt." This file stores information that is shown in the 
browse mode. - Added the ability to jump, enabling the Back button, 
animation to say goodbye. - When you are wrong, showed support but I did 
not show question. Now shows the question below shows the help. 
- Added button "Show all" in the browse mode. 
For now is all .. I welcome your criticism! 
Alan








ESPAÑOL:
Hola!
Ayer se hizo pública la versión 2 de "Conozco América".Después de 1 mes y 7300 
descargas.. Quedó lista esta versión.He recibido miles de mails con 
felicitaciones, pero quiero críticas!Creo mas útiles.. aunque los 
agradecimientos no son mal bienvenidos...La única forma de mejorar algo es con 
críticas...Estuve el jueves y viernes con gente de la Universidad de Loja, 
Ecuadory me dieron 2 correcciones que hice sobre unos nombres de 2 provinciasde 
Ecuador.Los cambios de esta versión son:
- Se corrige problemas con el escalado en máquinas distintas a la
XO: como por ejemplo, la JumPC. El problema era con la barrade puntajes 
y de la de avance. También en el texto mostradodurante la presentación. 
   - Se corrige el nombre de 2 provincias de Ecuador.- Se termina de 
traducir las estadísticas al inglés.- También se realizan pequeños arreglos 
en otras traducciones.- Se agrega: self.max_participants = 1- Se agrega 
barra de "avance" que va mostrando el avance del juego.- Se agrega imágen 
de JP a la pantalla "acerca de".- Se completan las estadísticas para todos 
los países.- Se cambia "datos.png". Ahora es sustituido por "bandera.png" 
(queguarda la bandera del país correspondiente).- Se crea 
"estadisticas.txt". Este archivo guarda información que esmostrada en 
el modo exploro.- Se agrega la posibilidad de saltearse, habilitando el 
botón Regresar,la animación de la despedida.- Cuando uno se 
equivocaba, mostraba la ayuda pero no volvía a mostrarla pregunta. 
Ahora muestra la pregunta y debajo muestra laayuda.- Se agrega 
botón "Mostrar todo" en el modo explorar.
Por ahora es todo.. espero sus críticas!!!
Alan

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Re: XO 1.5 Solder Reflow in Toaster Oven

[Jecel Assumpcao Jr.]

Anna,

> So, I took the mobo out of one of the XO 1.5 units, broke it down to just
> the board and nothing else, then put it in the toaster.  On a metal pan
> supported by four balls of tin foil:  385F for 8 mins.  Put everything back
> together and, to my complete and utter astonishment, it booted.  In fact,
> I'm typing this email on it now.

Good job! I hope we will see more of this kind of thing in the field.

But please remember that his might have released toxic fumes from the
solder paste which is deposited on the various parts of the toaster.
Using this device now for food could be really dangerous.

-- Jecel

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Re: Touchscreen driver

[Peter Robinson]

On Mon, Aug 22, 2011 at 5:08 PM, Chris Ball  wrote:
> Hi,
>
> I've pushed touchscreen support to the olpc-kernel tree, and also fixes
> for http://dev.laptop.org/ticket/11077 -- could we build a new kernel
> RPM and spin a new ARM build for testing, please?

I'm in the middle of building a new spin now. I'll cancel it and await
a new kernel.

Peter
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Re: Touchscreen driver

[Walter Bender]

On Mon, Aug 22, 2011 at 12:08 PM, Chris Ball  wrote:
> Hi,
>
> I've pushed touchscreen support to the olpc-kernel tree, and also fixes
> for http://dev.laptop.org/ticket/11077 -- could we build a new kernel
> RPM and spin a new ARM build for testing, please?

Cool. Cannot wait.

-walter

>
> Thanks,
>
> --
> Chris Ball      
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Touchscreen driver

[Chris Ball]

Hi,

I've pushed touchscreen support to the olpc-kernel tree, and also fixes
for http://dev.laptop.org/ticket/11077 -- could we build a new kernel
RPM and spin a new ARM build for testing, please?

Thanks,

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Re: [support-gang] XO 1.5 Solder Reflow in Toaster Oven

[DancesWithCars]

Sure, Disapora might be a good place to publish
Half Baked XO
or Easy Back Solar Oven fixes XO 1.5
(if this were a public list...)

-beer
all other freedoms appreciated. ;-/

On Mon, Aug 22, 2011 at 11:19 AM, Kevin Mark  wrote:
> On Mon, Aug 22, 2011 at 06:05:11AM -0400, DancesWithCars wrote:
>
>> (BTW, Google+ doesn't like my name,
>> so won't be publishing that way)
> Anyone wants a Disapora invite?
> You can use emoticons, UTF-8 or one name to sign up.
> It free as in free speech.
>
> --
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>
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> Is held in such veneration:
> He never blamed his problems
> On the former Administration.
>                -- George O. Ludcke
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[BULK] mwlib notes

[Martin Langhoff]

http://groups.google.com/group/mwlib/browse_thread/thread/decef84c1b9b21a6




m
-- 
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 - ask interesting questions
 - don't get distracted with shiny stuff  - working code first
 - http://wiki.laptop.org/go/User:Martinlanghoff
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Re: [Testing] New prototype XO-1.75s in Auckland, New Zealand

[Kevin Gordon]

On Mon, Aug 22, 2011 at 9:34 AM, Samuel Greenfeld wrote:

> http://dev.laptop.org/ticket/10528 is one such ticket, although we have
> two types of touchpads in production and two alternate candidates I am aware
> of (samples of which should be at Cambridge office).
>
> I would be cautious about attempting to identify touchpads via psmouse/DMI;
> three of the four samples seem to identify themselves as some variant of
> "IM{Ex}PS/2 Generic" just like web browsers tend to identify themselves as
> "Mozilla compatible".
>


The part number I specified was noted by actually reading the pretty white
sticky printed label on the inside of the keyboard assembly.

KG


>
> On Mon, Aug 22, 2011 at 8:30 AM, Paul Fox  wrote:
>
>> kevin wrote:
>>  > On Mon, Aug 22, 2011 at 7:54 AM,  wrote:
>>  >
>>  > >
>>  > >
>>  > > The mouse pad now registers clicks, can this be disabled? Needs a my
>>  > > settings item.
>>  > >
>>  >
>>  > I think a nice solid tap on my new 1.5 trackpad registers clicks too.
>>  I
>>  > agree that it would be best to be an optional setting, and as is, is
>> very
>>  > sensitive right now on the 1.75.
>>
>> i thought we had a new ticket open for this, but perhaps not.  the
>> manufacturer has introduced a new touchpad once again (this is the
>> third one (not counting the original ALPS dual-mode version), and
>> once again we'll have to figure out how to disable tap-to-click.
>> (but i'm not sure whether this new version will be used in production
>> or not -- it might just be the B units.)
>>
>> paul
>>
>>  >
>>  > >
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Re: [Testing] New prototype XO-1.75s in Auckland, New Zealand

[Samuel Greenfeld]

http://dev.laptop.org/ticket/10528 is one such ticket, although we have two
types of touchpads in production and two alternate candidates I am aware of
(samples of which should be at Cambridge office).

I would be cautious about attempting to identify touchpads via psmouse/DMI;
three of the four samples seem to identify themselves as some variant of
"IM{Ex}PS/2 Generic" just like web browsers tend to identify themselves as
"Mozilla compatible".


On Mon, Aug 22, 2011 at 8:30 AM, Paul Fox  wrote:

> kevin wrote:
>  > On Mon, Aug 22, 2011 at 7:54 AM,  wrote:
>  >
>  > >
>  > >
>  > > The mouse pad now registers clicks, can this be disabled? Needs a my
>  > > settings item.
>  > >
>  >
>  > I think a nice solid tap on my new 1.5 trackpad registers clicks too.  I
>  > agree that it would be best to be an optional setting, and as is, is
> very
>  > sensitive right now on the 1.75.
>
> i thought we had a new ticket open for this, but perhaps not.  the
> manufacturer has introduced a new touchpad once again (this is the
> third one (not counting the original ALPS dual-mode version), and
> once again we'll have to figure out how to disable tap-to-click.
> (but i'm not sure whether this new version will be used in production
> or not -- it might just be the B units.)
>
> paul
>
>  >
>  > >
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Re: [Testing] New prototype XO-1.75s in Auckland, New Zealand

[Kevin Gordon]

On Mon, Aug 22, 2011 at 8:30 AM, Paul Fox  wrote:

> kevin wrote:
>  > On Mon, Aug 22, 2011 at 7:54 AM,  wrote:
>  >
>  > >
>  > >
>  > > The mouse pad now registers clicks, can this be disabled? Needs a my
>  > > settings item.
>  > >
>  >
>  > I think a nice solid tap on my new 1.5 trackpad registers clicks too.  I
>  > agree that it would be best to be an optional setting, and as is, is
> very
>  > sensitive right now on the 1.75.
>
> i thought we had a new ticket open for this, but perhaps not.  the
> manufacturer has introduced a new touchpad once again (this is the
> third one (not counting the original ALPS dual-mode version), and
> once again we'll have to figure out how to disable tap-to-click.
> (but i'm not sure whether this new version will be used in production
> or not -- it might just be the B units.)
>

Verified.  Tap to click also active on my new 1.5's ...'D5' unit running
11.2 build 874.  Requires a significantly harder tap than on the 1.75.  Part
number on the 1.5 keyboard assembly:  CL1A  ZYE P/N:QTCL1-ENT3206A Quanta
P/N:LECL1U0030 C110418000B2 Rev 3F - if that helps :-)

>
> paul
>
>  >
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> =-
>  paul fox, p...@laptop.org
>
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Re: [Testing] New prototype XO-1.75s in Auckland, New Zealand

[Paul Fox]

kevin wrote:
 > On Mon, Aug 22, 2011 at 7:54 AM,  wrote:
 > 
 > >
 > >
 > > The mouse pad now registers clicks, can this be disabled? Needs a my
 > > settings item.
 > >
 > 
 > I think a nice solid tap on my new 1.5 trackpad registers clicks too.  I
 > agree that it would be best to be an optional setting, and as is, is very
 > sensitive right now on the 1.75.

i thought we had a new ticket open for this, but perhaps not.  the
manufacturer has introduced a new touchpad once again (this is the
third one (not counting the original ALPS dual-mode version), and
once again we'll have to figure out how to disable tap-to-click.
(but i'm not sure whether this new version will be used in production
or not -- it might just be the B units.)

paul

 > 
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Re: Re: New prototype XO-1.75s in Auckland, New Zealand

[Kevin Gordon]

On Mon, Aug 22, 2011 at 7:54 AM,  wrote:

>
>
> The mouse pad now registers clicks, can this be disabled? Needs a my
> settings item.
>

I think a nice solid tap on my new 1.5 trackpad registers clicks too.  I
agree that it would be best to be an optional setting, and as is, is very
sensitive right now on the 1.75.

>
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Re: Re: New prototype XO-1.75s in Auckland, New Zealand

[forster]

Yay!!! The 1.75 arrived today.

Got it unbricked ok and installed os36

Ran Turtle art and the accelerometer works. :)
You will need V114 though.

Does it need the mod where you put tape on the heat spreader near the power 
jack? There is a thread on the heat spreader, are there any precautions to 
refit it ok?

The mouse pad now registers clicks, can this be disabled? Needs a my settings 
item.

Fails on restart, need then to reboot.

Will keep testing

Tony
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Re: New prototype XO-1.75s in Auckland, New Zealand

[James Cameron]

On Mon, Aug 22, 2011 at 09:54:00PM +1200, Tabitha Roder wrote:
> We have just today received 2 of the XO-1.75 prototype B1 without
> touch screen.
> They arrived with a serial adaptor for updating the firmware.
> The documentation is a bit chaotic so it's hard to work out what build
> and firmware should be on it.

I saw the Wiki XO-1.75 page was a bit out of date, as was the XO-1.75 B1
page, but I checked and they looked reasonable at the moment.  Let me
know if there's any other documentation that is lacking, or flag it with
a comment in the Wiki.

> We now have build 36 customised Sugar 0.92.4 and firmware Q4B07 (note
> that the firmware doesn't appear in the "about my computer" ...

This was fixed in Sugar 0.93.2 released last Friday, but it hasn't been
included in a build yet, as far as I can tell.  Check it in the next
build.

> Not sure how the gear button could operate with the clicky keyboard as
> it seems when you push it, the whole key is pressed, not just the gear
> end, ...

Hmm.  I thought it did the same on XO-1 and XO-1.5, in that it closes
the same circuit path ... and to use view source one must combine it
with the fn key.  So view source is effectively fn-space.

> The alternative key glyphs don't work yet.

Yes, please test again when #11135 and #10934 say to do so.  Put your
trac username on the tickets in the CC section and you'll get a mail
when they are changed, hopefully.

> The frame key has moved from top right corner to f6 - a problem for
> the membrane keyboard as the key pictures don't match.

Yes, #11140, and I don't expect it to change, except that once #11135
and #10934 are fixed the frame key in the top right will also work.

> The microphone and camera don't work yet.

Yes.  You will find both will work in OpenFirmware, using "test /audio"
and "test /camera" respectively.  But in Linux they do not.  This is
#10831 for the microphone, and #11129 for the camera, please test again
once they say to do so.  For the camera, you can test with os36 if you
first load the mmp-camera kernel module.

> In testing the speakers we found the sound to be scratchy like there
> are buffer issues.

That's interesting.  More please?

> They boot faster than the XO-1.5 but the activities don't appear to
> load faster, in fact lots fail to start (e.g. physics wont start). The
> activities that fail to start seem to need native libraries -- we see
> lots of missing shared object error messages in the logs.

Yes, #11132 and possibly others.

> Thanks for sending us these to test. We'll watch for any testing
> requests as well as continuing to try things ourselves.

You tend to discover wireless problems well.  I suspect it is something
about your location.  ;-)

There's #11133 open looking for someone to test the wireless
performance, ... I suggest comparing it against XO-1.5, and measuring
bandwidth, latency, signal strength, and compatibility with access
points.

See if you have anyone in your team who might like to explore further,
such as using iperf and other tools.

Or, just see if you can get Sugar activities to collaborate reasonably
well.  I've not tried that yet.

-- 
James Cameron
http://quozl.linux.org.au/
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Re: New prototype XO-1.75s in Auckland, New Zealand

[Walter Bender]

On Mon, Aug 22, 2011 at 5:54 AM, Tabitha Roder  wrote:
> We have just today received 2 of the XO-1.75 prototype B1 without touch
> screen. They arrived with a serial adaptor for updating the firmware.
> The documentation is a bit chaotic so it's hard to work out what build and
> firmware should be on it. We spent the first few hours testing on an old
> build with old firmware thinking we had updated to the latest. We now have
> build 36 customised Sugar 0.92.4 and firmware Q4B07 (note that the firmware
> doesn't appear in the "about my computer" but does appear on pressing escape
> during startup).
>
> One has the membrane keyboard and the other has clicky keys The clicky keys
> are very cramped, especially in the bottom right hand corner, and will take
> a while to learn to type on (though probably fine for smaller hands). Not
> sure how the gear button could operate with the clicky keyboard as it seems
> when you push it, the whole key is pressed, not just the gear end, but the
> shift alt v combination does bring up view source.

FN-SPACE is mapped to View Source, hence it doesn't matter where you
click the key. I put the graphic on the left edge of the key because I
a have a predilection for left-justified. Sorry for the confusion.

> The alternative key glyphs don't work yet.
> The frame key has moved from top right corner to f6 - a problem for the
> membrane keyboard as the key pictures don't match.
> The touchpad lets you tap the pad so you don't have to click with the button
> to select.
> The microphone and camera don't work yet. In testing the speakers we found
> the sound to be scratchy like there are buffer issues.
>
> They boot faster than the XO-1.5 but the activities don't appear to load
> faster, in fact lots fail to start (e.g. physics wont start). The activities
> that fail to start seem to need native libraries -- we see lots of missing
> shared object error messages in the logs.
>
> Thanks for sending us these to test. We'll watch for any testing requests as
> well as continuing to try things ourselves.

Turtle Art v 114 has an accelerometer block in the sensor palette that
should appear on 1.75 machines. Maybe you could play with it? (It
pushes X, Y, Z values to the stack: you retrieve them with 3
consecutive 'pop' blocks (found on the palette with the gear). The
audio sensors do not yet work on the 1.75.

Portfolio also knows about the 1.75 where it has a hidden feature: if
you hit the left side of your computer, you get the next slide; right
side of your computer, the previous slide.

Note that Measure will launch but does not work yet.

regards.

-walter

>
> Tabitha
>
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-- 
Walter Bender
Sugar Labs
http://www.sugarlabs.org
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Re: [support-gang] XO 1.5 Solder Reflow in Toaster Oven

[DancesWithCars]

I'd like an social experiment that doesn't use the C word
and focus so much on drinking...

To that end, health related activities,
PTSD iPhone app by the VA
and
Three Cups of Tea by Mortenson
(K2 attempt failed but building schools in Pakistan)
(more book info on
http://novapeers.pbworks.com/w/page/44518546/ThreeCupsOfTeaByGregMortensonAndDavidOliverRelin

Baking changes the chemistry of organics
to edible, cooking out the pathogens
(egg, etc)
more cooking doesn't necessarily
make it done (thinking Cajun ;-) ),
just reheating, so wondering
if learning the production process
and redoing it doesn't make it baked,
but might figure out the process
that has erred/ barfed.

re: alcohol, I've wanted to do
a 12 Step game, Slogan Bingo
for some time, maybe start this winter...
Bingo Mod is collecting meanings
maybe into a One Day At a Time (ODAT)
reader...  Surely there are 365 slogans,
or variations, I have a starting list...

(BTW, Google+ doesn't like my name,
so won't be publishing that way)


On Mon, Aug 22, 2011 at 12:20 AM, Sameer Verma  wrote:
> On Sun, Aug 21, 2011 at 8:46 PM, Anna  wrote:
>> On Sun, Aug 21, 2011 at 10:18 PM, Richard A. Smith 
>> wrote:
>>>
>>> Interesting.  If you did in fact reflow anything then it was probably due
>>> to the poor temp regulation of your toaster oven.  The solder in the XO is
>>> lead free and melts a higher melting point than 385.  I don't know the exact
>>> formulation that Quanta uses but most lead free formulations melt at > 215C
>>> which is 419F.
>>
>> Thank you for being the first person to offer actual data on this.  Since I
>> baked it at 385, or thought I did, if in fact the melting point is 419, then
>> I didn't reflow the solder at all.  I need to get an independent oven
>> thermometer to stick in there if this turns into an habitual endeavor.
>>
>>>
>>> If you actually didn't reflow anything then the forces from the large
>>> thermal gradient may have been sufficient to push the cracks back together
>>> enough to work again. (Sort of the same thing that happens when you test by
>>> pressing on the chip hard to see if it boots)
>>>
>>> A production line oven uses a soldering profile.  Pre-heat, then a brief
>>> spike over the melting point and then a cool down.
>>>
>>> If you do a search for lead free soldering profile you will see loads of
>>> information on various profiles.  Picking something that closely matches one
>>> of those profiles will give you the greatest chance of success.
>>
>> Good to know.  Since this isn't like tempering steel, if something goes
>> wonky in the future, I can examine what production lines do and try to
>> emulate that as best I can.  The wikipedia entry on reflow ovens wasn't very
>> detailed, but I didn't know what else to search for so I just hauled off and
>> did the best I could.  I got most of my info from a message board where
>> folks put their HP laptop mobos in the oven.
>>
>>>
>>> As James mentioned if you forget and bake the RTC battery then there is a
>>> very high probability it will explode.  At my previous job we once used old
>>> computer motherboards with thermocouples attached to tune our profile and we
>>> forgot to take out the RTC battery.  It exploded but thankfully it was while
>>> it was inside the oven and no one was injured.
>>
>> Oh, yeah, I made sure to remove the battery.  And anything else that might
>> explode, catch fire, melt, or otherwise make a wicked mess.
>>
>> A couple of hours ago, I baked the second XO 1.5 motherboard and yep, it
>> booted after that.  I took tons of pictures this time.  I'll post a writeup
>> with the pictures in the next few days.  At this point I feel like Julia
>> Child.  If Julia Child put circuit boards in her oven.
>>
>> And no, this is definitely not for the "typical" user, but hey, on Friday I
>> had two dead XO 1.5's and now on Sunday evening I've got two working units.
>> No idea on the longevity of this fix, but OLPC is all about experimentation,
>> right?
>
> Many +1 on a job well done. Indeed this project is about
> experimentation what an incredible group of crazies we have here!
> There are no boundaries to learning. Keep plugging away! I will now go
> and drink in your honor :-)
>
> Oh, and be sure to come attend OLPC SF Community Summit 2011 in
> October so we can buy you a few rounds!!!
>
> cheers,
> Sameer
>
>>
>> Anna Schoolfield
>> Birmingham
>>
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-- 
DancesWithCars
leave the wolves behind ;-)
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New prototype XO-1.75s in Auckland, New Zealand

[Tabitha Roder]

We have just today received 2 of the XO-1.75 prototype B1 without touch
screen. They arrived with a serial adaptor for updating the firmware.
The documentation is a bit chaotic so it's hard to work out what build and
firmware should be on it. We spent the first few hours testing on an old
build with old firmware thinking we had updated to the latest. We now have
build 36 customised Sugar 0.92.4 and firmware Q4B07 (note that the firmware
doesn't appear in the "about my computer" but does appear on pressing escape
during startup).

One has the membrane keyboard and the other has clicky keys The clicky keys
are very cramped, especially in the bottom right hand corner, and will take
a while to learn to type on (though probably fine for smaller hands). Not
sure how the gear button could operate with the clicky keyboard as it seems
when you push it, the whole key is pressed, not just the gear end, but the
shift alt v combination does bring up view source.
The alternative key glyphs don't work yet.
The frame key has moved from top right corner to f6 - a problem for the
membrane keyboard as the key pictures don't match.
The touchpad lets you tap the pad so you don't have to click with the button
to select.
The microphone and camera don't work yet. In testing the speakers we found
the sound to be scratchy like there are buffer issues.

They boot faster than the XO-1.5 but the activities don't appear to load
faster, in fact lots fail to start (e.g. physics wont start). The activities
that fail to start seem to need native libraries -- we see lots of missing
shared object error messages in the logs.

Thanks for sending us these to test. We'll watch for any testing requests as
well as continuing to try things ourselves.

Tabitha
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