Mother Board Versions built
Section	Date on PCB	Version on PCB	Status
MB1	September 2000	V3.1B	Production
	June 2000	V3.1B	OK for test bench
	October 1999	V3.1	Obsolete (used on burn-in stations)
	May 1999	V3.0	Obsolete
MB2	December 1999	V3.1	Production
	February 1998	-	Obsolete
MB3	December 1999	V3.1	Production
	March 1998	-	Obsolete
MB4	February 2000	V3.1	Production
	March 1998	-	Obsolete