#11770 NORM 1.75-fi: Battery charge led fails to light after a full discharge

Zarro Boogs per Child bugtracker at laptop.org
Thu Apr 12 10:26:02 EDT 2012

#11770: Battery charge led fails to light after a full discharge
           Reporter:  garycmartin          |       Owner:  rsmith                           
               Type:  defect               |      Status:  new                              
           Priority:  normal               |   Milestone:  1.75-firmware                    
          Component:  embedded controller  |     Version:  Development build as of this date
         Resolution:                       |    Keywords:                                   
        Next_action:  diagnose             |    Verified:  0                                
Deployment_affected:                       |   Blockedby:                                   
           Blocking:                       |  

Comment(by garycmartin):

 Replying to [comment:2 garycmartin]:
 > Replying to [comment:1 greenfeld]:
 > > Which SKU of XO-1.75 are you testing with (on a label inside the
 battery well)?  We have sent more than one HS SKU to developers.
 > >
 > > SKU 198 & 199 systems are known to have issues with how they handle
 external power.  Since you said the unit had a touchscreen, it likely is
 one of these.  I've only personally seen one touchscreen unit which wasn't
 SKU-199 based.
 > Thanks, yes this one is SKU-199 based.
 > > SKU 200+ systems hopefully should not any issues with external power.
 > I have a SKU-203 in use here as well and will keep an eye on how it

 I tested again last night with both the SKU-199 XO-1.75 running 12.1.0
 build 6 firmware Q4D08, and the SKU-203 XO-1.75 (the new membrane keyboard
 design) running 11.3.1 build 31 firmware Q4D05. After a full discharge
 both behaved identically in that the charging LED does not illuminate once
 mains power is reconnected. Only after booting the machines, does the LED
 light up orange to indicate active charging (LED illuminates towards the
 end of the boot cycle, in the last ~quarter of dots to be drawn around the

 > > I have not seen complaints about a failure to charge after complete
 discharge before.

Ticket URL: <http://dev.laptop.org/ticket/11770#comment:4>
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