HP 28670-69001 - Fiber distributed data interface (FDDI) board - Fiber Distributed Data Interface (FDDI) Board - for the HP-PB I/O Board Slot (P/O J2157A) Retail
HP 12159-60001 - 25KHz power module board (Goes in slot 8) - 25kHz Power Module Board (Goes in Slot 8) (12159A) Retail