[extra Quality] — Intel Desktop Board 21 B6 E1 E2 Specification Link

If you cannot see a clear model name, look for a small white barcode sticker placed on the motherboard body (often on the edge of the board or near the back I/O ports). This sticker contains a code starting with the letters (e.g., AA E12345-XXX ). The AA number is a foolproof identifier that maps directly to a specific specification sheet. 3. Use Software Tools (If the System Boots)

LGA 1155, supporting 2nd and 3rd Generation Intel Core processors (e.g., i3, i5, i7-2xxx and 3xxx series). intel desktop board 21 b6 e1 e2 specification link

. These numbers are often part of regulatory or specification markings on the physical board rather than the actual model identifier. Identified Specifications If you cannot see a clear model name,

If you are currently looking for a way to identify, repair, or get drivers for your specific motherboard, it is recommended to use the (usually a 6-digit number, e.g., 123456-xxx) printed on a white sticker on the board itself. Understanding the Regulatory Marking "21-B6-E1-E2" These numbers are often part of regulatory or

Once identified, use the specification links above to check:

These are typically MicroATX, allowing them to fit into standard desktop cases. Typical Specifications (Based on Similar Boards)

The Intel Desktop Board DZ77SL-50KZ is designed to support 3rd generation Intel Core processors, including Core i7, Core i5, and Core i3 models. The board is built on the ATX form factor, measuring 305mm x 244mm (12 inches x 9.6 inches). The following table summarizes the key specifications of the board: