I'm tired of revisiting an issue that thankfully only affected less
than a thousand production units (repaired under a catastrophic
failure clause). Unfortunately, the effect on our developer
community was disastrous, as they only received affected units.
I'm willing to send an XO-4 to replace a
On 2 Jul 2013, at 08:58, Yioryos Asprobounitis wrote:
> Back to the original question. Should I conclude at this point that there is
> no information/experience on the effect of repetition on the effectiveness
> of the soldering reflow process? (ie try and see what happens ;)
No OLPC informati
On Tue, Jul 02, 2013 at 12:58:17AM -0700, Yioryos Asprobounitis wrote:
> Back to the original question. Should I conclude at this point that
> there is no information/experience on the effect of repetition on
> the effectiveness of the soldering reflow process? (ie try and see
> what happens ;)
B
>> I agree. I've found laptops with looser-than-i-would-like hinge and
>> motherboard screws after children have been using them. The hinge
>> screws that are uncovered by disassembly were the most interesting.
>
> There was a problem with the manufacturing process which
> resulted in some o
On Jul 1, 2013, at 6:24 PM, James Cameron wrote:
> I agree. I've found laptops with looser-than-i-would-like hinge and
> motherboard screws after children have been using them. The hinge
> screws that are uncovered by disassembly were the most interesting.
There was a problem with the manufact
On Mon, Jul 01, 2013 at 11:16:29AM -0400, Martin Langhoff wrote:
> On Mon, Jul 1, 2013 at 6:51 AM, Yioryos Asprobounitis
> wrote:
> >> Yes. ;-)
> >>
> > Oh, good. That clears it then.
> > Thanks for the insight :-P
>
> Perhaps repeated torsion on the board is one of the factors at play.
> You ma
On Mon, Jul 1, 2013 at 6:51 AM, Yioryos Asprobounitis
wrote:
>> Yes. ;-)
>>
> Oh, good. That clears it then.
> Thanks for the insight :-P
Perhaps repeated torsion on the board is one of the factors at play.
You may get a longer life out of it by ensuring that the unit is
tightly assembled (speci
- Original Message -
> From: James Cameron
> To: Yioryos Asprobounitis
> Cc: OLPC Devel
> Sent: Monday, July 1, 2013 1:42 PM
> Subject: Re: resurrected XO-1.5, died again
>
> On Mon, Jul 01, 2013 at 02:19:07AM -0700, Yioryos Asprobounitis wrote:
>> I gu
On Mon, Jul 01, 2013 at 02:19:07AM -0700, Yioryos Asprobounitis wrote:
> I guess what I'm asking is that the original board was good for more
> than 2 years. After the reflow, lasted 8 months.
> Is a second reflow likely to last 8 months or 8 days (if at all)?
Yes. ;-)
--
James Cameron
http://q
- Original Message -
> From: James Cameron
> To: Yioryos Asprobounitis
> Cc: OLPC Devel
> Sent: Monday, July 1, 2013 11:02 AM
> Subject: Re: resurrected XO-1.5, died again
>
> On Mon, Jul 01, 2013 at 12:53:47AM -0700, Yioryos Asprobounitis wrote:
>> I d
On Mon, Jul 01, 2013 at 12:53:47AM -0700, Yioryos Asprobounitis wrote:
> I do not know for how long the "toasted" [1] XO-1.5 boards worked
> but my "oven baked" [2] board died again after 8 months of daily use
> and a guestimated 400+ hours. I do not know if this is long enough
> to justify the pr
I do not know for how long the "toasted" [1] XO-1.5 boards worked but my "oven
baked" [2] board died again after 8 months of daily use and a guestimated 400+
hours.
I do not know if this is long enough to justify the process (roughly half a
school year worth, I would guess), but I thought to rec
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