envMonPsbHeldBoardId 1.3.6.1.4.1.207.8.4.4.3.10.4.1.1.4

The type of board installed in this power supply bay. The values of this object are taken from the pprXxx object IDs under the boards sub-tree in the parent MIB. A value of 0 indicates that a board is is either not present or not supported.