identify mainboard by Visionex

Visionex [PV / ]

4GPV5 v?	10/30/94-CONTAQ-4GPV50-CTQ4GPV5-00	Contaq 82C596 A3	3VLB 1ISA 4SIMM
4GPV5 v?	06/26/94-united-4bkx32-utr4gpv5-00	Contaq 82C596 A3	3VLB 1ISA 4SIMM