identify mainboard by BEK-Tronic Technology

BEK-Tronic Technology [B1 / 1759]
Bestkey

BEK-5725	2A59CB1CC-00
??	2A59CB1BC-00
BEK-5731	2A59GB1AC-00
BEK-V429S	2C4UKB11-00	OPTi 82C895
BEK-V419	2C4X2000-1B	UM82C49x
BEK-P407 rev. 2.0	2A4IBB12C-00		sold as LuckyStar ?
BEK-P405	2A4KDB1AC-00