Difference between revisions of "Fitlet Errata Notes"

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(FITLETERR002: USB current limit)   (change visibility)
 
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=== HW Revision 1.1 ===
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== FITLETERR001: SIM slot ==
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* '''Date''': 29-Apr-2015
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* '''Symptom''': SIM card is not detected while in micro SIM slot
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* '''Applies to revision(s)''': 1.0 to 1.1
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* '''Cause''': Incorrect SIM slot pin routing
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* '''Workaround''': RMA for manual patch
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* '''Fix''': Fixed in revision 1.2
  
1. '''FITLETER001'''
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== FITLETERR002: USB current limit ==
* ''Date'': 2-Aug-2015
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* '''Date''': 6-Oct-2015
* ''Symptom'': SIM card is not detected while in micro SIM slot
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* '''Symptom''': When connecting high power USB device, fitlet may reboot. Most likely to happen on insertion of the device.
* ''Applies to revision(s)'': 1.0 to 1.1
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* '''Applies to revision(s)''': 1.0 to 1.3
* ''Cause'': Incorrect SIM slot pin routing
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* '''Cause''': Incorrect routing of USB current-limiter is causing current-limiting of USB to malfunction. High current of USB device may reset fitlet.
* ''Workaround'': RMA for manual patch
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* '''Workaround''': Low-power USB devices – keyboard, mouse, webcam, thumb drive, WiFi adapter are not affected. To work around the problem with USB hard disks plug the disk when fitlet is off or use a powered USB hub.
* ''Fix'': Fixed in revision 1.2
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* '''Fix''': Will be fixed in revision 1.4
 
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2. '''FITLETER002'''
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* ''Date''': 6-Oct-2015
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* ''Symptom'': When connecting high power USB device, fitlet may reboot. Most likely to happen on insertion of the device.
+
* ''Applies to revision(s)'': 1.0 to 1.3
+
* ''Cause'': Incorrect routing of USB current-limiter is causing current-limiting of USB to malfunction. High current of USB device may reset fitlet.
+
* ''Workaround'': Low-power USB devices – keyboard, mouse, webcam, thumb drive, WiFi adapter are not affected. To work around the problem with USB hard disks plug the disk when fitlet is off or use a powered USB hub.
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* ''Fix'': Will be fixed in revision 1.4
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[[category:fitlet]]
 
[[category:fitlet]]
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[[category:errata notes]]

Latest revision as of 08:21, 12 February 2018

FITLETERR001: SIM slot

  • Date: 29-Apr-2015
  • Symptom: SIM card is not detected while in micro SIM slot
  • Applies to revision(s): 1.0 to 1.1
  • Cause: Incorrect SIM slot pin routing
  • Workaround: RMA for manual patch
  • Fix: Fixed in revision 1.2

FITLETERR002: USB current limit

  • Date: 6-Oct-2015
  • Symptom: When connecting high power USB device, fitlet may reboot. Most likely to happen on insertion of the device.
  • Applies to revision(s): 1.0 to 1.3
  • Cause: Incorrect routing of USB current-limiter is causing current-limiting of USB to malfunction. High current of USB device may reset fitlet.
  • Workaround: Low-power USB devices – keyboard, mouse, webcam, thumb drive, WiFi adapter are not affected. To work around the problem with USB hard disks plug the disk when fitlet is off or use a powered USB hub.
  • Fix: Will be fixed in revision 1.4