Soltek has posted a new bios (version L5) for their 77KV motherboard. Thanks  Overclockers´ Workbench.
It fixes the following:
Fixed Creative PCI 128 sound card & Matrox G400 compatible issue.
Download
                                    
                                    
                                    
                                
                            It fixes the following:
Fixed Creative PCI 128 sound card & Matrox G400 compatible issue.
Download