Actually there should be 3 drivers.
VIA = Drivers for VIA SATA controller
(SATA 1 + 2)
Promise "RAID" = Drivers for Promise controller for RAID & possibly JBOD mode
(Primary + Secondary SATA & Primary RAID PATA)
Promise "ATA" = Drivers for Promise controller for ATA mode aka stand-alone drive configuration
(Primary + Secondary SATA & Primary RAID PATA)