(Altered Assembly). This is typically a small barcode sticker with a number formatted like G12345-XXX . You can enter this AA number into the Intel Product Specifications
Curious, he checked the BIOS jumper. Position 2-3: recovery mode . He slid it to 1-2. Still nothing. Then he remembered the note. intel desktop board 21 b6 e1 e2 specification
2nd and 3rd Generation Intel Core i3/i5/i7 (Sandy Bridge and Ivy Bridge). DDR3 SDRAM ; usually 2 to 4 DIMM slots. Expansion: 1x PCIe x16 slot (commonly PCIe 2.0). SATA II (3Gb/s) or SATA III (6Gb/s) ports. I/O Ports: USB 2.0/3.0, Ethernet (RJ-45), and standard audio jacks. Performance Review Modern Compatibility: (Altered Assembly)