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Gary Lawrence Murphy | 14 May 2002 21:10
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Document review: Linux on the Acer TravelMate 330T


The content of this email is not as interesting as the media.

I have just started a document review space at Quick Topic to discuss
my "Linux on the Acer TravelMate 330T" paper. To participate in
the review, use your browser to go to:

http://www.quicktopic.com/14/D/FVwSWCRWj6Z.html

You don't have to register or sign in, and you can choose to receive
email for newly posted messages -- just click the Subscribe button
when you get there.

What's new here is the way the document is being reviewed; Quick Topic
is a free discussion space where you can start your own topic or
document review in about 20 seconds (http://www.quicktopic.com/) --
it's a service that has an interesting pedegree for those of you who
know who's who in the blogger world ;)

Anyway, if anyone wants to add any comments to this paper (even though
the Acer 330T is a two-year-old machine), please feel free, and if
all you take away from it is the method of document review, well that's
cool too.

--

-- 
Gary Lawrence Murphy <garym <at> teledyn.com> TeleDynamics Communications Inc
Business Innovations Through Open Source Systems: http://www.teledyn.com
"Computers are useless.  They can only give you answers."(Pablo Picasso)

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John Ruttenberg | 15 May 2002 17:14

Dell Inspiron i8100 with 2 batteries

I am using 2.4.18 and have a Dell I8100 with 2 batteries.  If combined charge
of the batteries is less than 50% (according to the bios), then /proc/apm
shows the battery power level X 2.  If the combined charge of the batteries is
greater than 50%, then /proc/apm shows:

    1.16 1.2 0x03 0x01 0xff 0x10 -1% -1 ?

I think this is because the bogus calculation it would make would result in a
percentage > 100.

I took a quick look at arch/i386/kernel/apm.c but it wasn't obvious what to
do.

Does anyone else have any experience with this?
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John Ruttenberg | 17 May 2002 17:25

Re: Dell Inspiron i8100 with 2 batteries


I tried using ACPI, but it has shortcomings compared to APM.  In particular,
with APM, you can use the function-setup, function-battery buttons to get into
the bios screens even while the kernel is running.  I don't actually
understand how this magic works, but it works with APM and not ACPI.

David G Hamblen:
> 
> I've got the same laptop with one battery, but I'm using ACPI. None of the
> current user-space utilities parse this stuff particularly well (the
> filenames in /proc/acpi have changed), but the data all look reasonable.
> 
> #cat /proc/acpi/battery/BAT1/*
> alarm:                   3000 mWh
> present:                 yes
> design capacity:         57420 mWh
> last full capacity:      57420 mWh
> battery technology:      rechargeable
> design voltage:          14800 mV
> design capacity warning: 3000 mWh
> design capacity low:     1000 mWh
> capacity granularity 1:  200 mWh
> capacity granularity 2:  200 mWh
> model number:            LIP8084DLP
> serial number:           40086
> battery type:            LION
> OEM info:                Sony Corp.
> present:                 yes
> capacity state:          ok
> charging state:          charging
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Stanislav Brabec | 22 May 2002 21:42
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MSI-6380: APM sometimes fails to wake up

Hallo,

I have MSI-6380 (Microstar K7T 266Pro) mainboard (Athlon & KT266 based).
I am using APM with lower mentioned setup.

With linux-2.4.17 it was working perfectly. Now I am using  2.4.19-pre8
with the same setup. In about 15% probablility the machine fails to be
awakened from user suspend ("apm --suspend"; nor by keyboard interrupt
nor case key). BIOS is set up to track keyboard IRQ.

CONFIG_PM=y
# CONFIG_ACPI is not set
CONFIG_APM=y
# CONFIG_APM_IGNORE_USER_SUSPEND is not set
CONFIG_APM_DO_ENABLE=y
CONFIG_APM_CPU_IDLE=y
CONFIG_APM_DISPLAY_BLANK=y
CONFIG_APM_RTC_IS_GMT=y
# CONFIG_APM_ALLOW_INTS is not set
# CONFIG_APM_REAL_MODE_POWER_OFF is not set

--

-- 
Stanislav Brabec
http://www.penguin.cz/~utx
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Gmane