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BLIKVM PCIe CM4 Installation Guide


1.Unpack and take out the devices

Product List


2.Install the main device

Install CM4 and 4 Hex spacers (This article takes CM4 lite as an example, using the image in the Micro SD card, CM4 eMMC user need to burn the image by yourself.)Stick a heat conductive sheet on the top of CM4 , tear off the protective film of the sheet.

Preparing_to_install_CM4 install_cm4_and_4_spacers install_cm4_and_4_spacers_2 Stick_a_heat_conductive_sheet
Install metal heatsink

The main device installation is complete.

3.Connect USB and ATX

The motherboard used in this article is Asus H520M-E, the interface definition of different motherboards may be different, please refer to your motherboard manual.

connection_preparation connect_USB_and_ATX connect_USB_and_ATX_motherborad pin_definition_atx connect_USB_and_ATX_OK

4.Connect OLED

The OLED you received does not have a bracket installed. Please refer to the picture for installation. In addition, OLED support is made of acrylic material, which needs to be used after removing the protective film on the surface.

connect_OLED connect_OLED connect_OLED connect_OLED connect_OLED
The above is the installation steps, and the effect of not tearing the film is as follows. In actual use, please remove the protective film.

5.Connect the HDMI cable

Connect the HDMI output port of the computer directly to the HDMI IN port of the product with an HDMI cable. The HDMI pass-through EDID emulator is not necessary! If your computer does not output the correct HDMI format, plug the HDMI pass-through EDID emulator into the HDMI output port of the computer. This allows you to configure a fixed HDMI output format on your computer.

Connect_HDMI_cable_1 Connect_HDMI_cable_2 Connect_HDMI_cable_3

6.Connect the network cable

Gigabit Ethernet port standard: IEEE 802.3af PoE input voltage:37v-57v.


When using PoE power supply, there is no need to connect the PWR-IN port.

7.Connect PWR-IN


When not using PoE power supply, connect the PWR-IN port to a standard 5V/3A USB power supply.


OLED screen showing device IP and other information.

find_IP test_all
Access the IP address in browser. After passing the test, install the product into the computer case.

9.Install the product into the computer case

Disconnect power and wiring, install the product on the motherboard, and reconnect the cables after installation is complete. The color of ATX cable received in different batches may be different. Please directly refer to the pin definition for connection

blikvm_in_case OLED_display_out finish_installation_1 finish_installation_2


Appendix 1.Install a low profile PCIe I/O bracket


remove_standard_bracket replace_low_bracket_1_1 replace_low_bracket_2 replace_low_bracket_3 replace_low_bracket_4

Appendix 2.Install the cooling fan

Usually the metal heatsink is sufficient, the cooling fan is not necessary.

install_fan_prepare install_fan_unscrew place_4_nylon_spacers install_fan_ok fan_power_polarity install_fan_all

The cooling fan is controlled by CM4 via GPIO12.

Appendix 3.Install wifi antenna


Install_wifi_antenna_prepare Install_wifi_antenna

Last update: May 29, 2023
Created: August 8, 2022