5 The hardware VPD is stored in keyword format.
6 The following is a list of the keywords and their meanings. Depending on the
configuration of your system, not all of the keywords listed are necessarily
present or have meaningful values.
AT - Main logic card type
DS - Text description of card
FN - FRU number
PN - Manufacturing part number
ML - Maintenance level
Chapter 5. Multiaccess Enclosure Firmware and Operational Code 5-25