Olympic Soccer' 92
Serial Number 402

Verified clocks

1x Xtal: 20mhz
1x xtal: 14.31818mhz

68000: 20mhz / 2 

M6295 clock is 20mhz / 20
Pin 7 high 

Z80: 14.31818 / 4
YM3812: 14.31818 / 4
YM3931 (SEI0100BU): 14.31818 / 4

VSync: 55.47hz