#8985 NORM 1.5-fir: laptop should be able to autoboot when power applied
Zarro Boogs per Child
bugtracker at laptop.org
Wed Dec 2 21:26:03 EST 2009
#8985: laptop should be able to autoboot when power applied
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Reporter: pgf | Owner: rsmith
Type: enhancement | Status: new
Priority: normal | Milestone: 1.5-firmware-C1-SMT
Component: embedded controller | Version: Development firmware
Resolution: | Keywords:
Next_action: test in build | Verified: 0
Deployment_affected: | Blockedby:
Blocking: 9245 |
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Old description:
> there are cases (mainly XO-as-server situations) where it's desirable for
> the laptop to boot automatically. (imagine power failure, battery
> rundown, and then power comes back.)
New description:
there are cases (mainly XO-as-server situations) where it's desirable for
the laptop to boot automatically. (imagine power failure, battery
rundown, and then power comes back.)
--
Comment(by Quozl):
Tested on q3a18 with no battery, using removal and restoration of DC cable
on side of laptop.
'''no tags'''
* unit remains off when external power restored, regardless of prior
state,
'''CP tag'''
* unit turns on when external power restored, regardless of prior state,
'''AP tag'''
* unit turns on when external power restored, regardless of prior state,
which does not seem to be what was desired,
Sequence for adding tags was ''add-tag ${TAG}'', allow restart. Sequence
for removing was ''delete-tag ${TAG}''. Where ${TAG} was AP or CP.
(Curiously, if the 240V supply is interrupted, there seems to be ample
stored power in the (black) switch mode power supply to keep the EC active
for quite a while. This is why I used DC power cable removal in the tests
above. Using 240V supply interruption may result in the unit staying off
in AP mode.)
--
Ticket URL: <http://dev.laptop.org/ticket/8985#comment:6>
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