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Hardware

Interfaces

	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	Force reboot your VIM4 in the event of a system freeze
8	Function Button	Press this 3 times in 2 seconds to enter MaskROM mode
9	Power Button	This button turns on your VIM4
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	Tpye-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 VIM4L due to faulty loading conditions