#7964 BLOC 8.1.1 (: C3 laptops sometimes identified as pre-B3 (B2)

Zarro Boogs per Child bugtracker at laptop.org
Thu Aug 14 16:44:20 EDT 2008

#7964: C3 laptops sometimes identified as pre-B3 (B2)
   Reporter:  wad           |       Owner:  rsmith               
       Type:  defect        |      Status:  new                  
   Priority:  blocker       |   Milestone:  8.1.1 (was Update1.1)
  Component:  not assigned  |     Version:  not specified        
 Resolution:                |    Keywords:  EC                   
Next_action:  add to build  |    Verified:  0                    
  Blockedby:                |    Blocking:                       
Changes (by rsmith):

  * next_action:  code => add to build


 Replying to [ticket:7964 wad]:
 > Some C3 motherboards are erroneously identified as B2 motherboards by
 the EC.   This can cause brick (or brick-like) symptoms.   They are
 running Q2E12 firmware.
 > The hardware components are fine -- the board ID voltage is ALMOST
 identical between working and non-working units.   The non-working units
 have board ID voltages slightly below 2.06V (the ideal for C3), but still
 well within tolerances.

 Typo in the table. Will be in the upcoming Q2E13 release.

Ticket URL: <http://dev.laptop.org/ticket/7964#comment:1>
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