Linux

The 2 ways of booting
Each way of booting has it's own advantages and disadvantages. 
EFI is easy to boot but has bad performance and power effiency.
APX needs more special hardware to boot but performs much better.
EFI Boot
EFI booting is the easier way of booting Linux. 
Characteristics
No L2 Cache, no cpuidle (bad performance)
No power related features (no PMIC regulators)
Requirements
​Yahallo​
USB drive
APX Boot
APX booting needs some special hardware.
Characteristics
No Wi-Fi
Dynamic Voltage Frequency Scaling (best performance)
Requirements
USB A-to-A cable (straight: D+ -> D+, D- -> D-)
µSD Card
Linux PC (x86)
Features
​Screen (Touch, LVDS Encoder, Backlight)
​Touchscreen​
​UART A​
​SD Card (+UHS-I mode)
USB-A host
2 GB DDR3 RAM
​SPI Bootflash​
​eMMC​
HDMI (with audio)
Vol+/-, PWR, Windows Buttons
​Touch-/Type-/Powercover (+ hotplug detection)
Hall effect lid sensor (close tCover to suspend the device)
​NCT1008 CPU and case temperature sensor
​Wifi​
​Battery / Charger​
​Audio: only output (headphone & speakers)
​Sensor Collection / Sensor Hub​
​PMIC​
What's Missing?
Hardware Acceleration (3D)
Bluetooth
Camera

Known Issues

Devicetree

Last modified 5mo ago

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The 2 ways of booting