====== Introduction ======
The Ultra compact and Ultra low cost ARM Quad Core board computer.\\
It can run Ubuntu, Android 4.4*, and other Linux OS systems.

{{http://dn.odroid.com/homebackup/201312222305368236.jpg}}
====== Hardware and Peripherals ======
  * [[U3_Hardware|Hardware]]

====== Software Platform ======
  * [[U3_Partition_Table|Partition Table]]
  * [[U3_Building_u-boot|U-boot]]
  * [[U3_Building_kernel|Linux]]
  * [[U3_Building_android|Android]]
  * [[en:nfsboot | Use to boot linux over NFS ]]
  * [[U3_USB_Gadget | Use to U3 USB Gadget]]
====== Trouble shooting ======
  * [[emmc_recovery_u3|eMMC Recovery]]
  * No HDMI output [[http://forum.odroid.com/viewtopic.php?f=80&t=3323|External Link]]

====== Expansion Boards and Accessories ======
  * [[U3_Enhancement_IOPort|Access tbe IOPort#1 and IOPort #2]]
    * [[en:u3_ioport_i2c|GPIO-I2C]]
    * [[en:u3_ioport_spi|SPI]]
    * [[en:u3_ioport_uart|UART]]
  * [[U3_IO_Shield | How to use the U3 I/O Shield]]
  * [[U3_Shield_Tinkering | How to use the U3 I/O Shield Tinkering Kit]]
  * [[U3_FAQ|FAQ]]
====== Software Release ======
Please read [[ODROID_Flashing_Tools|**THIS**]] once before you start to download and flash the OS release on your ODROID device.
  * [[U3_release_android|Android]]
  * [[U3_release_linux_ubuntu|Linux/Ubuntu]]