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VIM1S Interfaces

Top side

	Component	Purpose
1	USB-A	USB 2.0 speed, 500mA max output
2	RJ-45	10/100 Mbps Ethernet
3	HDMI	HDMI 2.1b with 3D, HDR, CEC and HDCP 2.2
4	USB-C	USB 2.0 OTG and 5V power input, can be used for upgrading the OS
5	USB-A	USB 2.0 speed, 750mA max output
6	Fan Header	For Khadas 4-wire PWM fan
7	Reset Button	Device hardware reset
8	Function Button	Multi-functional hardware-buttons
9	Power Button	Turns on/off device hardware-buttons
A	RTC Battery Header	Attaching RTC battery
B	SPI Flash	32MB SPI-Flash memory
C	40-Pin GPIO	VIM1S GPIO Header, and for extensions: Tone board, …
D	Infrared Module	Dual channel infrared receiver for use with Khadas IR remote
E	LEDs	Status indicator LEDs
F	MCU	Advanced device control
G	MHF2 Wi-Fi / Bluetooth Connector	Wi-Fi / BT Antenna connector

	Component	Purpose
1	VIN	5V power input
2	Micro-SD Card Slot	Boot alternative OSes via a Micro-SD card, and for extra storage
3	IO	FPC IO connector
4	XPWR Pads	Connect an external power switch using these pads

Reset	Function	Power	Purpose
x			Hardware device reset
	x		Enter upgrade mode (TST)
		x	Power-On / Wake-Up device
x		x	Enter upgrade mode (KEYS)
x	x	x	Erase eMMC