SB-X300: Hardware: Revision Notes

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