I would like to add some general remarks:
- Radio off is already there. So, the user can turn it off and save power.
- Mesh off is due to a future release. It's just not been a priority on the
wireless front recently (and it shouldn't be, right?).
- Infrastructure is not always present. The defaul
On Mon, 11 Feb 2008, Hal Murray wrote:
>> what's the power draw of the WLAN chip if the transmitter is turned off?
>
> Most of the power goes into the receiver. Yes, that might seem
> counter-intuitive.
>
> To first order, the transmitter doesn't take any power unless it's actually
> transmitting
> what's the power draw of the WLAN chip if the transmitter is turned off?
Most of the power goes into the receiver. Yes, that might seem
counter-intuitive.
To first order, the transmitter doesn't take any power unless it's actually
transmitting something. After that, it's linear with how muc
On Sun, 10 Feb 2008, Frank Ch. Eigler wrote:
> "Walter Bender" <[EMAIL PROTECTED]> writes:
>
>> [...]
>> Chris Ball provided Richard with some power readings from our newly
>> enhanced power tinderbox running a C2 (mass production) laptop. [...]
>> The top auto-suspend power-draw breakdown:
>>
>>
Hal Murray wrote:
> How long does it take to turn the radio on and off? (I'm assuming the EC can
> do it without help from the main CPU.)
It can, but only when the CPU is off. Turning off the WLAN turns of
3.3V and will crash the machine if things are not in suspend. The EC
can also put the
Jameson "Chema" Quinn wrote:
> re: turn off the network when not contributing
> I second this idea, if it can be implemented.
>
> Separate from suspended battery life, there is sleep life (I have to say
> I still think these words are backwards. Suspend = automatic, screen on,
> sleep= power bu
Chris Ball wrote:
>> The good news is that the 2W total matches what olpc-logbat reports
>> as being the average for a 4.5 hour uninterrupted suspend session
>> so measured matches reality. The bad news is that this works out
>> to only about 8.5 hours of battery life with no waku
> > Has the following idea already come up? How about just turning off
> > the wlan entirely during suspend, if the machine has reason to
> > believe that its contribution to mesh connectivity is negligible?
> Michail should answer this, but it sounds to me like an interesting
> idea with s
re: turn off the network when not contributing
I second this idea, if it can be implemented.
Separate from suspended battery life, there is sleep life (I have to say I
still think these words are backwards. Suspend = automatic, screen on,
sleep= power button or close case, screen off; right?). On
Hi, Chris -
On Sun, Feb 10, 2008 at 01:44:15PM -0500, Chris Ball wrote:
> [...]
>> Has the following idea already come up? How about just turning off
>> the wlan entirely during suspend, if the machine has reason to
>> believe that its contribution to mesh connectivity is negligible?
Hi Frank,
> Has the following idea already come up? How about just turning off
> the wlan entirely during suspend, if the machine has reason to
> believe that its contribution to mesh connectivity is negligible?
Michail should answer this, but it sounds to me like an interesting idea
wi
Hi,
> The good news is that the 2W total matches what olpc-logbat reports
> as being the average for a 4.5 hour uninterrupted suspend session
> so measured matches reality. The bad news is that this works out
> to only about 8.5 hours of battery life with no wakups.
My own perspectiv
"Walter Bender" <[EMAIL PROTECTED]> writes:
> [...]
> Chris Ball provided Richard with some power readings from our newly
> enhanced power tinderbox running a C2 (mass production) laptop. [...]
> The top auto-suspend power-draw breakdown:
>
> WLAN: 734 mW
> backlight:362 mW
> memory: 239
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