VIM4 Interfaces

Top side

	Component	Purpose
1	USB-A	USB 3.0 port that supports 1500mA output
2	RJ-45	Gigabit LAN port that supports Wake-On-LAN
3	HDMI Output	HDMI output port supporting CEC
4	USB-C	USB-C port with USB power delivery (9-20V input) and 2.0 speeds, can be used for upgrading the OS
5	USB-A	USB 2.0 port that supports 1300mA output
6	Fan Header	4-wire fan header utilising pulse width modulation
7	Reset Button	Device hardware reset
8	Function Button	Multi-functional
9	Power Button	Turns on/off device and other multi-functions
A	RTC Header	A header for connecting a real-time clock (button) battery
B	M2 Hole	M2 clearance holes for a case, or adding a heatsink
C	40-Pin GPIO	General input/output pins for VIM4’s SoC, or plugging-in a Toneboard
D	DMIC	Digital Microphone
E	HDMI Input	Type-D HDMI input
F	LEDs	Indicator LEDs
G	MCU	STM32G0 micro-controller
H	MHF4 Antenna	Wi-Fi and Bluetooth antenna connector
I	MHF4 Antenna	Wi-Fi and Bluetooth antenna connector
J	Current Limit Switch	Prevents damage to VIM4 due to faulty loading conditions

	Component	Purpose
1	VIN	9-20V power input
2	Micro-SD Slot	Molex Slot, spec version 2.x/3.x/4.x (SDSC/SDHC/SDXC)
3	M.2 Slot	PCIe 2.0 (x1 lane), supports M.2 2280 NVMe SSDs
4	MIPI-CSI	20-pin, 0.5mm pitch, Provided data path for dual cameras
5	MIPI-CSI	30-pin, 0.5mm pitch, 4-lane, dual cameras, 16MP image signal processing
6	MIPI-DSI&TP/eDP	40-pin, 0.5mm pitch FPC connector for 4-lane 1080P displays && TP touch input/eDP
7	V-by-One	30-pin, 0.5mm pitch
8	XPWR Pads	Connect an external power switch using these pads
9	SPI Flash	Flash memory module that interfaces over SPI
A	Current Limit Switch	Prevents damage to VIM4L due to faulty loading conditions
B	G-Sensor	3-axis accelerometer

Reset	Function	Power	Purpose
x			Force Reboot VIM4
	x		Enter Upgrade Mode (TST)
		x	Power ON/Wake Up VIM4
		x	Enter Upgrade Mode (KEY)