sorry but due a problems with ecs and the last bios version, need again the slic 2.1 but with a lower revision of the bios. Manufacturer: ECS Motherboard Model: A790GXM-A (V1.0) Bios revision: 07/06/2010 Bios Type: AMI SLIC : HP 2.1 (ONLY HP) Bios link: download.ecsusa.com/dlfileecs/bios/mb/p4/A790GXM-A/780D9714.zip thanks!