Download the latest drivers for your ECS GCD-M to keep your Computer up-to-date. Device Name: VIA High Definition Audio. Driver Date, BIOS - 1. Fix VIA 4in1 driver V with compatible issue L7VTA(V). Sound - VIA AC'97 Codec Sound Driver. .. HDC-M/C(V). Chipset -. Download the latest ECS Elitegroup Motherboard device drivers (Official Download the VIA High Definition Audio Driver for ECS GCD-M.