How to Fix Dual 2.5G Ethernet (LAN) Disconnects and Speed Issues on the Minisforum UM890 Pro
Causes The UM890 Pro is equipped with dual Intel I225-V (or I226-V) 2.5GbE controllers — these Intel 2.5G chipsets have a well-documented hardware bug...
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Troubleshooting
Minisforum UM890 Pro Fix Guides
Every fix guide we have written for the Minisforum UM890 Pro.
How to Fix Fan Noise and Thermal Throttling on the Minisforum UM890 Pro
Causes The UM890 Pro's cooling system uses a single 120 mm blower fan with an aggressive default fan curve in the BIOS — the fan ramps up to 100% spee...
How to Fix OCuLink eGPU Not Detected on the Minisforum UM890 Pro
Causes The OCuLink port on the UM890 Pro uses a PCIe Gen4 x4 interface that requires the BIOS to have "Above 4G Decoding" and "Resizable BAR" enabled ...
How to Fix RAM Not Running at Rated Speed or Detected in Single Channel on the Minisforum UM890 Pro
Causes The UM890 Pro supports DDR5 SO-DIMM modules up to 96 GB total (48 GB per slot) at speeds up to 5600 MT/s (JEDEC), but actual achievable speed d...
How to Fix USB4 DisplayPort Alt Mode Not Working on the Minisforum UM890 Pro
Causes The UM890 Pro's USB4 ports use a multi-function USB4 controller that shares DisplayPort lanes with the integrated Radeon 780M iGPU's display ou...
How to Fix Wi-Fi 6E and Bluetooth Connectivity Issues on the Minisforum UM890 Pro
Causes The UM890 Pro ships with a MediaTek MT7922 (RZ616) Wi-Fi 6E + Bluetooth 5.2 module — the MediaTek Linux driver (mt7921e/mt7922) has known stabi...