Yes, you can install Ubuntu.
Minisforum Product FAQ
Q1: Can I install Linux on my HX90?
Q2: What is the speed of the memory and hard disk when ordering?
RAM- DDR4 3200 CL22 1.2V (Not support DDR5), SSD- M.2 NVME PCIe3.0
Q3: Are there any limitations on how much SSD storage I can install?
There is no limitation for the expansion, you can install a 4TB or larger SSD as you like. The thickness should be limited to 7mm or less.
Q4: How to adjust video RAM (VRAM)?
Press "Del" to enter the BIOS, then Advanced"-"AMD CBS"-"NBIO Common Options"-"GFX Configuration"-"iGPU configuration"-"UMA_GAME_OPTIMIZED".
Q5: What display port and HDMI version does it have?
HX90 supports 2x HDMI 2.0 & 2x DP 1.2 4K@60Hz Outputs. We recommend direct DP to DP and HDMI to HDMI connection. DP to HDMI conversion requires an active instead of a passive adapter.
Q6: Does HX90 support high-temperature operation?
The recommended operating temperature for the HX90 is 5 to 35 celsius degrees.
Q7: Does the Bios allow me to enable Hardware Virtualization?
It's enabled by default.
Q8: How to install driver or OS for the barebone config?
Q9: How to Fix Computer No Display (black screen) or No Signal on Monitor?
Power on, check if both adapter light and pc power light is on to make sure the pc is good.
Disconnect the power supply, and try:
#1. Press the reset hole for 10 seconds (clear CMOS) >>Reboot.
#2. Remove all external devices, including keyboard, USB flash driver etc. >>Reboot.
#3. Use HDMI to HDMI connection only, do not convert ports >>Reboot.
Open your pc case, and try:
#1. Remove all hard drives >>Reboot, press DEL to enter the BIOS.
#2. Reseating your RAM back in its place >>Reboot.