Intel Desktop Board 21 B6 E1 E2 Specification Exclusive Jun 2026

Through cross-referencing technical documentation and industry reports, we have exclusively identified the primary Intel Desktop Boards that commonly display this 21 B6 E1/E2 marking.

| Code Fragment | Likely Meaning | Common Location on Intel Boards | | --- | --- | --- | | | PCB layer or assembly plant code (e.g., Foxconn or Flextronics plant 21) | Edge of board near mounting hole | | B6 | Voltage regulator phase or power IC identifier (e.g., Intersil ISL63 B6 ) | Near CPU VRM area | | E1 / E2 | Stepping or bridge revision (e.g., Cougar Point E1 step for Q67/B65 chipsets) | Southbridge chip surface | intel desktop board 21 b6 e1 e2 specification exclusive

The Intel Desktop Board 21 is built around the Intel Series 6 or 7 Express Chipset (dependent on the specific stepping), designed to support LGA 1155 socket processors. Compatible CPUs include second-generation (Sandy Bridge) and third-generation (Ivy Bridge) Intel Core i7, i5, i3, Pentium, and Celeron processors. The board adheres to the micro-ATX form factor (244mm × 244mm), making it suitable for compact desktop chassis and embedded systems. The board adheres to the micro-ATX form factor