OLPC XO 1.5 overheating problems

Tiago Marques tiagomnm at gmail.com
Sat Oct 3 10:56:11 EDT 2009

Hi Ed,

I was wondering if it's related to the CPU or Northbridge. I said the
description was unclear to me because it didn't mention where the
overheating was from, or if you had already found the problem. Some
videos of pre production units were shown running with just a square
of thermal interface material acting as an heatspreader and I found
that odd, even for alpha level units, that Quanta was shipping them
back to you that way.

Also, I'd like to ask something off topic(better to post another
mail?) but I couldn't find any description on the wiki about the flash
controller. Are you still using one - and if so which - or are you
just using the microSD card's FTL?

Best regards,
Tiago Marques

On Sat, Oct 3, 2009 at 3:34 PM, Ed McNierney <ed at laptop.org> wrote:
> Tiago -
> Sure, but what kind of elaboration would you like?  These are pre-production
> machines and have an assortment of problems, this being one of them.  I
> think the description is pretty clear; if you have a question about it
> please let us know - thanks!
>        - Ed
> On Oct 3, 2009, at 10:13 AM, Tiago Marques wrote:
>> Hi all,
>> Hope this is the appropriate list to post this, I apologize if not.
>> Please be kind to redirect me to the appropriate one if so.
>> Referring to:
>> "The B2 prototypes have shown a tendency to overheat. We are working
>> on a more respectable solution than simply throttling back the
>> processor. In the meantime, be aware that the laptop may begin to
>> function erratically if it gets too hot. This usually manifests itself
>> as problems reading/writing the internal SD card. "
>> Can someone please elaborate on this?
>> Best regards,
>> Tiago Marques
>> _______________________________________________
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