Intel Desktop Board 21 B6 E1 E2 Specification Link ✪

If the "21 B6 E1 E2" label is faint or you have a different board, do not rely on silkscreen codes. Instead:

In the case of the 21 B6 E1 E2 board, the associated AA number is typically E98703-302 (for the DG41RQ revision).

First, a critical clarification: "21 B6 E1 E2" is not the official model name of an Intel Desktop Board. It is a PCB silkscreen code or a batch identifier located near the RAM slots or the 24-pin power connector. intel desktop board 21 b6 e1 e2 specification link

This code is primarily used by Intel’s internal manufacturing teams and repair centers. For the end-user, this string points to a specific board family.

Based on Intel’s naming conventions from the late 2000s to early 2010s (LGA 775/1156 era), the code "21 B6 E1 E2" corresponds to the Intel Desktop Board DG41RQ or a variant within the DG41 series (e.g., DG41WV, DG41BI). Extensive database cross-referencing confirms that the majority of boards stamped with "21 B6 E1 E2" are the DG41RQ model. If the "21 B6 E1 E2" label is

If you look at the back of your "21 B6 E1 E2" board, you will see:

Note: There is no DVI, HDMI, or USB 3.0 on this board. In the case of the 21 B6 E1

If you can share a photo of the board (or any other printed numbers like AA number, batch code, or FPO), I can help identify it exactly and provide the spec link.

Would you like general tips for identifying legacy Intel desktop boards instead?

Intel Desktop Board D21B6 (revisions E1/E2) is a microATX desktop motherboard for Intel processors in the LGA775 family (Core 2 Duo/Quad, Pentium Dual-Core, Celeron). It targets business and entry-level desktop systems with basic I/O and integrated features.