ASUS Placa Base P5LD2-X/1333 + Windows Vista Home Premium Edition, Intel, LGA 775 (Socket T), 4 GB, Non-ECC, ATX, 5.1 channels ASUS Placa Base P5LD2-X/1333 + Windows Vista Home Premium Edition. Processor manufacturer: Intel, Processor socket: LGA 775 (Socket T). Maximum internal memory: 4 GB, ECC сompatibility: Non-ECC. Motherboard form factor: ATX, Audio output channels: 5.1 channels, Audio chip: Realtek ALC662. Width: 305 mm, Depth: 183 mm. Bundled software: ASUS PC Probe II