For Web information Model: :S648 (L4S8A) PCB 1.0x for NorthGate Release Reason: BIOS Ver: 1.0b 1. Add CMI 9739 Audio Codec detect Chipset for Auto Setup Function. BIOS Ver: 1.0c 1. Support Disty Model BIOS Ver: 1.0d 1. Support CNR for Disty model.