From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pedro Venda Subject: Re: can't read battery, dsdt bugged? Date: Tue, 23 Nov 2004 16:52:30 +0000 Message-ID: <41A36ACE.9030602@mega.ist.utl.pt> References: <41A35CE6.90803@paranoici.org> <41A35FFD.9050701@mega.ist.utl.pt> <41A36560.90701@paranoici.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <41A36560.90701-XtQPfPCVGG7srOwW+9ziJQ@public.gmane.org> Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: ultrakorne Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org ultrakorne wrote: > Pedro Venda wrote: >=20 >> ultrakorne wrote: >> >>> Hi, i have a acer laptop (travelmate 4501LCi) and i have installed=20 >>> ubuntu warty 4.10 (kernel 2.6.8.1) >>> the battery applet didnt works... this because /proc/acpi/battery/ is= =20 >>> empty! >> >> >> >> you probably have a smart battery. I have an acer travelmate 4001wlmi=20 >> which has one. There are no smart battery drivers that work in linux. >> >> regards, >> pedro venda. >> > on the user guide it says the battery is Lithium Ion... > but if it is a smart battery... i cant use linux?? i need to read the=20 > charge.. > how i can see if it is a lion or smart... it can be a lithium ion AND a smart battery. those are two different conc= epts: - Lithium Ion refers to the chemical technology used by the battery. - the smart battery refers to the way computers interact with the battery= . I think there are two types: smart batteries and some other type which = name I can't remember (maybe someone could help me here) it probably is a smart battery, and yes, it's not at all desirable to not= be able to read the charge and AC status, but one can live with it... i = do. to see if it's a smart battery or not, i think you must dissassemble your= DSDT and look for something like "Name(_HID. EISAID("PNP0C090"))" or "Na= me(_HID,"ACPI0001")" or "Name(_HID,"ACPI0002")" [some=20 more help here would be appreciated: what is the single line in the dsdt = that can tell if one has a smart battery?]. if you find any of those in y= our dissassembled DSDT, most certainly you have a=20 smart battery. regards, pedro venda. --=20 Pedro Jo=E3o Lopes Venda email: pjlv-aHmAgkVUFT6Joy8PIJZ9VA@public.gmane.org http://arrakis.dhis.org ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/