Unable to Boot Dell QXX1250 Series/Pro Max T2 FCT 2250 Tower With MXI Kit

Updated Apr 21, 2026

Reported In

Hardware

  • PCIe-8398
  • PCIe-8361
  • PCIe-8363
  • PCIe-8383

Other

  • Dell
  • QXX1250 Series Tower
  • Pro Max Tower T2 FCT 2250

Issue Details

I have a new Dell Qxx1250 Series Tower/Pro Max T2 FCT 2250 Tower, which does not detect the chassis in a default mode. When the BIOS Compatibility Mode DIP is toggled on the PCIe controller, the PC does not boot at all. How can I resolve this issue?

Solution

This is a compatibility issue found between Gen 2 MXI and Dell Qxx1250 Series Tower/Pro Max Tower T2 FCT 2250 models. At the moment, the manufacturer is actively working on the root cause analysis.
Currently, no estimated timeline for a BIOS fix, corrective update, or workaround is available.

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