USB redirector – for sharing USB over TCP/IP (disabled by default /etc/init.d/rc.usbsrvd)
root file-system auto resize
Graphics desktop environment upgrade ready
NAND and SATA install script included (/root)
Disabled LED blinking, logo, boot messages (/etc/init.d/disable_led.sh, kernel.config, kernel parameters in uEnv.txt)
Total memory is exactly 2000Mb (disabled all memory reservations for GPU)
Login script shows Cubietruck / Cubieboard 2 auto MOTD with current CPU temp, hard drive temp & actual free memory
MAC address from chip ID, manual optional
Fastest Debian mirror auto selection @ first boot
root password=1234
sunxi-tools included: fex2bin, bin2fex, nand-part
Performance tweaks:
/tmp & /log = RAM, ramlog app saves logs to disk daily and on shut-down
IO scheduler NOOP for SD, CFQ for sda (mechanical hard drive). (change in /etc/sysfs.conf)
journal data writeback enabled. (/etc/fstab)
commit=600 to flush data to the disk every 10 minutes (/etc/fstab)
optimized CPU frequency scaling 480-1200Mhz with interactive governor and small 20% overclock (/etc/init.d/cpufrequtils)
Known bugs or limitations
On board Bluetooth unstable / unusable (firmware issue)
NAND install script sometime fails. Dirty but working workaround – installing Lubuntu to NAND with Phoenix tools and run the nand-install again.
Gigabit ethernet transfer rate is around 50% of its theoretical max rate (hardware or firmware issue)
Shutdown, reboot and battery troubles regarding poor AXP chip driver (firmware issue, probably solved in development kernel)
Unzipped images can be written with Image Writer on Windows or with DD command in Linux/Mac (dd bs=1M if=filename.raw of=sd card device). Kernel package should be uncompressed under root user to / Change boot parameter if your old kernel has different name.