smart battery on acer travelmate 4001
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hi everyone,
i found out recently that i have one of those laptops with a smart battery. mine is an acer travelmate 4001 wlmi.
i would like to ask you for some information:
1. where do the smart batteries differ from "regular" batteries;
2. what are the advantages/disadvantages of a smart battery vs "regular" battery
3. i read that acpi4linux does not support smart batteries yet. what can i do to help?
note: i do not code in the kernel, i am unable to write the drivers myself... yet... but i am fully available to supply every bit of necessary information to help others develop/test new drivers.
thank you very much for your time and congratulations for your widely used absolutely critical acpi drivers.
regards,
pedro venda.
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Hi Pedro ;),
Quoted 2 lines
i found out recently that i have one of those laptops with a smart battery. mine is an acer travelmate 4001 wlmi.
Same as mine.
Quoted 1 line
i would like to ask you for some information:
I'm nothing as far a an ACPI expert, just an user ;), but i'll try to help you.
Quoted 1 line
1. where do the smart batteries differ from "regular" batteries;
They're a different kind of batteries in the ACPI specification. It defines two types, control-method batteries and smart batteries. Currently ACPI only supports the first type.
Quoted 4 lines
2. what are the advantages/disadvantages of a smart battery vs "regular" battery
From what i understand, a smart battery can 'offer' some information about
its state, voltage, composition, etc... This leads to the ACPI subsystem to a more efficient power management. In short, they last longer, or at least that is what manufacturers say ;).
Quoted 2 lines
3. i read that acpi4linux does not support smart batteries yet. what can i do to help?
I cannot answer to that. I downloaded the ACPI specification from
http://www.acpi.info, i tried to learn a bit more about ACPI and smart batteries, but i'm far from being able to write a driver :-/
Quoted 3 lines
note: i do not code in the kernel, i am unable to write the drivers myself... yet... but i am fully available to supply every bit of necessary information to help others develop/test new drivers.
Great ;). I'm avaliable too to do any kind of testing and help with information if someone starts to develop linux acpi support for smart batteries.
cheers,
Signature · 11 lines
David Gómez "The question of whether computers can think is just like the question of whether submarines can swim." -- Edsger W. Dijkstra ------------------------------------------------------- This SF.net email is sponsored by: IT Product Guide on ITManagersJournal Use IT products in your business? Tell us what you think of them. Give us Your Opinions, Get Free ThinkGeek Gift Certificates! Click to find out more http://productguide.itmanagersjournal.com/guidepromo.tmpl