Hit Buffer Board #2 - pre-production prototype
pcb version 2.0
assembled in April 1999
SOCKET VERSION: all 73144 have sockets

By historical accident this board has #2 but was the
first one to be assembled. This only relevant for history.

ENMAP xilinx replaced with final version in July 1999
tested at Fnal in summer 1999 Vertical Slice Test

HRVME xilinx replaced in fall 1999 to fix spurios reset bug
VMEPLD and HBSPYBUF replaced in spring 2000 with final version
All logic as final production version

very extensively tested in Pisa and Trieste with random test winter 99/00

passed 300K iter of random test in TS July 7-9

Board O.K.

Will stay in Trieste forever.