Slowing down an XO-1.5

John Watlington wad at media.mit.edu
Tue Mar 30 12:50:31 EDT 2010


On Mar 30, 2010, at 9:56 AM, Mikus Grinbergs wrote:

>>   Is there a simple way from OFW (or ACPI) to restrict
>> the operating frequency of the processor in the XO-1.5
>> to be the lowest possible ?
>> 
>> The relevant comment from a deployment was that they
>> can't use full speed XO-1.5 motherboards as replacements
>> for XO-1 motherboards.  They think kids would break their
>> laptop to get it upgraded...
> 
> I would expect any kid enterprising enough to break a laptop in order to
> get it upgraded -- to also be enterprising enough to "hack" the
> replacement to bypass any software restrictions.  Only when the
> replacement (despite determined attack) cannot be made better than the
> original would the risk of kids "breaking their laptop" be diminished.

In Uruguay, the kids can't get to OFW.

And if you read further, the software hack is more tor testing the
viability of motherboards using lower cost scrapped processors.

wad



More information about the Devel mailing list