Supermicro H8DCR-I . Processor socket: Socket 940. Supported memory clock speeds: 266, 333, 400 MHz, Maximum internal memory: 32 GB, Memory channels support: dual. RAID levels: 0, 1, 0+1. BIOS type: AMI, BIOS memory size: 1 MB, ACPI version: 2.0. Ethernet interface type: Gigabit, LAN controller: Broadcom BCM5721