This is an article about USB memory card in 6807-XL (with SUP6T-XL).
The symptom is that USB(disk0:) is not recognized in Rommon mode. The USB has been confirmed to be recognized normally in the activated SUP. Normal recognition can be seen as a USB that satisfies the conditions specified in the guide, such as the FAT32 format method and capacity.
However, USB is not properly recognized in rommon mode.
If any of you have experienced this, please let me know.