ipmptool get the Board Serial using raw command
To read the FRU you need to use the following command:
ipmitool raw 0xa 0x11 <offset lsb> <offset msb> <count>
You will need to calculate the offset of the board serial but that you can do with some trial and error (or actually do the math).
The response will be
- First byte: number of bytes read.
- Second byte onwards: the raw data that was read.