PMPMS646, PMPMS647 -Vig646M/Vig647M -H61I-E35/W8 / H61I-E35 V2/W8  

Two BIOS file are available:

For Windows XP and WIndows 7 use BIOS: V7.4B3
E7677IV1_743
                                       
BIOS E7677IV1 (V7.4B3)                                               
BIOS Date: 09/05/2013                                                  


For Windows 8 operating system use BIOS: V7.4B4

E7677IV1_744:

BIOS E7677IV1 (V7.4B4)                                               
BIOS Date:09/11/2013