[ltp] Alternative power supply for A31

[Kelvin KAN]

Sorry, I didn't realize the Lenovo plug is now diff from IBM.  I am a 
big looser.  I've invested in a total of 3 extra PSU for my diff 
workplaces.  They can't be used in future TP models :(

Richard Neill wrote:

>
>
> Kelvin KAN wrote:
>
>> Thinkpad power supply connectors are univeral (at least in the IBM era).
>
>
> There is a sensible reason for the new connector: the voltage on the 
> new supplies is different. This protects against laptop burnout!
> The earlier supplies might have different current capabilities, but 
> the worst that could happen there is (unlikely) PSU burnout.
>
> Richard