Use of XO-1 power adapters w. XO-1.5

[Mitch Bradley]

http://dev.laptop.org/ticket/9476 narrows it down to a specific model of 
15W adapter.  The 17W adapters that I tried worked.


John Watlington wrote:
>
> Mitch,
>    Regarding your note on IRC about power adapters:
> no, I hadn't noticed any problems with using XO-1
> adapters with XO-1.5 laptops.
>
> There are various flavors of XO-1 adapters, in 15 and 17W
> flavors, from multiple vendors.   At B2 bringup we had problems
> with a prototype they had lying around that failed spec.
>
> We are definitely drawing too much from the XO-1 adapters when
> charging a battery.  The question is how the adapter handles it.
> Some drop their voltage below that which the XO can really use.
>
> The MPPT algorithm should handle this, if we ever get around
> to implementing it.
>
> Cheers,
> wad