SB-X300: Hardware: Revision Notes

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Rev 1.4 [04/4/2011]

  • SB-X300 baseboard charger functionality improved.
  • Improved LCD Backlight circuit
  • General purpose push button functionality improved
  • Improved power circuit to support on-the fly power source alteration (When E2 is not populated).
  • Reduced static noise on audio I/O.

Rev 1.3 [23/8/2010]

  • SB-X300 baseboard charger functionality improved.
  • Main power source LED added
  • SD-Socket circuit changed
  • Charger selector jumper circuit improved
  • Improved LCD Backlight circuit
  • General purpose pushbutton functionality improved
  • Improved power circuit

Rev 1.2 [07/5/2010]

  • Silk labels for connectors and switches printed on the board.
  • Improved reliability of backlight and RS-232 circuits
  • SD-Socket circuit changed
  • Improved board power circuit.
  • Added an additional battery charger and supervisor.
  • Improved power circuit
  • A general purpose push button added.
  • USB OTG power is now applied by CM-X300 PMIC.

Rev 1.1 [04.3.2009]

  • 2.5mm audio sockets replaced with 3.5mm sockets
  • LCD backlight circuit enabled
  • 3.3V and 5V power header added for connecting external devices
  • Battery and CM-X300 charger support enabled
  • CRT display connector added

Rev 1.0 [22.11.2008]

  • Initial release