#12239 NORM 4-firmw: BSL - no ACK reprogramming touchscreen firmware

[Zarro Boogs per Child]

#12239: BSL - no ACK reprogramming touchscreen firmware
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 Reporter:  greenfeld    |                 Owner:                                   
     Type:  defect       |                Status:  new                              
 Priority:  normal       |             Milestone:  4-firmware                       
Component:  touchscreen  |               Version:  Development build as of this date
 Keywords:               |           Next_action:  diagnose                         
 Verified:  0            |   Deployment_affected:                                   
Blockedby:               |              Blocking:                                   
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 Unit: SHC238000B9 (sku 294 but built/received with US keyboard)

 I tried updating the touchscreen firmware to 0.0.0.5 on Q7B03 and then
 Q7B02 with '" u:\zf0005.hex" $flash-bsl'.

 This fails with "BSL - no ACK!" with a varying length of "Programming"
 progress dots displayed.  In rare cases I just get "BSL unresponsive" and
 nothing happens.

 Changing the USB stick used and a hard power cycle did not solve the
 issue.

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Ticket URL: <http://dev.laptop.org/ticket/12239>
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