LPU of NE40 fails to register when it is plugged into NE40 after being used on NE80E
To make LPU run well in NE40, it needs to replace the bootrom of LPU or update it.
NE80E supports the LPU of NE40. When the units of NE40 are plugged into NE80E, the LPU will be updated the systems of NE80E, and work well. However, when the LPU are plugged into NE40, they cannot work well because NE40 is not compatible with the systems of NE80E.