Hrm. This is the error message:

02/154D 00 C9 BRK C9

A=A086 X=0001 Y=0000 S=17F7 D=0800 P=81 B=02 K=02 M=0C Q=BE L=1 m=0 x=0 e=0

My buddy who has a ROM 1 board took a disk that was failing here and it worked on his system. The game is unhappy about something. The system passes the 'test mode' that you can boot into.