An error

Error: Operation not supported

(Error code 3c2220)

Possible sources

This error originated from one of the following locations within the iPXE source code:

General advice

  • Try using the latest version of iPXE. Your problem may have already been fixed.
  • You can contact the iPXE developers and other iPXE users.
  • Refresh this page after 24 hours. This page is actively monitored, and further information may be added soon.

Additional notes

(Please edit this page to include any of your own useful hints and tips for fixing this error.)

This error shows when ACPI tables can't be modified by iPXE. when using sanboot command in EFI. See Technical details

The debug message is: EFIBLK has no ACPI table protocol

iPXE> sanboot

Registered SAN device 0x80

Could not describe SAN devices: Operation not supported (

Preserving SAN device 0x80


err/3c2220.txt ยท Last modified: 2018/07/02 23:26 by nikize
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