identify mainboard by Spring Circle
Spring Circle [S9 / 1398]
SF586 VIP3A
2A5R5S91
??
2A5IDS9AC
S?? P5C01
2A5IDS99C-00
ST586 P571
2A59FS9AC-00
i430HX
ST586 P571-3
2A59FS9BC-00
i430HX
LGS Prime 3C
SP566
2A59GS9C
SP564
2A59GS9A
ST586 P561-4
2A59GS9BC-00
i430VX
LGS Prime 3C
ST586 P561-V03
2A59GS9AC-00
i430VX
UMC 8669
ST586 P550 ?
2A59CS9AC
2A59CS9BC
??
2A4IBS91-00
??
40-0G00-001398-00101111-080893-4X521-H