ksnsglobal

Intel Desktop Board 21 B6 E1 E2 Specification Link [2021]

The alphanumeric sequence "21 B6 E1 E2" (often preceded by "/21") is not a specific Intel motherboard model number, but rather a regulatory or industry specification marking found on several older Intel boards. Because this code is used across different products, "specifications" can vary depending on which actual board you have.

However, boards featuring this specific marking typically align with the following general specifications: Common Core Specifications

Based on listings for boards with this marking, they usually support 2nd and 3rd Generation Intel Core processors: Socket Type: LGA 1155 (Socket H2). Memory Type: DDR3 SDRAM, typically with 2 memory slots. I/O Ports: Ethernet (RJ-45). USB 2.0 and USB 3.0 ports.

Video outputs usually include VGA, DVI, or HDMI depending on the specific sub-model. Expansion: 1 x PCI Express x16 slot for dedicated graphics. How to Find Your Exact Model intel desktop board 21 b6 e1 e2 specification link

Since "21 B6 E1 E2" is just a regulatory mark, you should look for the AA number (Altered Assembly) printed on a small barcode label on the board itself.

Official Search: Use the Intel Product Specifications (ARK) tool to enter the AA number or a model name like "DH61WW" or "DH61HO" often found near the CPU socket.

Manuals: General guidance for these legacy boards can be found in the Intel Integration Guide or on sites like ManualsLib for similar regulatory-labeled boards. The alphanumeric sequence "21 B6 E1 E2" (often

Do you have the AA number or a 6-digit code from the board's barcode so I can find the exact manual for you?

intel® Desktop board DH61HO - Classic Series - Mouser Electronics

Intel Desktop Board D21B6 (E1/E2) — Quick Specification Report

Caveats and compatibility notes

  • LGA775 CPUs and DDR2 memory are obsolete; sourcing compatible parts may require used-market purchases.
  • Limited performance and no modern features like USB 3.0, SATA III, NVMe, or integrated modern GPUs.
  • Confirm exact model revision (D21B6 vs D21E1 vs D21E2) because connectors, supported maximum RAM, and onboard features can differ.

Summary

The "21 B6 E1 E2" label designates the Intel DQ67OW Executive Series motherboard. It is a solid LGA1155 platform supporting up to 32GB of DDR3 RAM, USB 3.0, and Intel vPro business features. Use the archived links above to access the full PDF manuals and driver sets. LGA775 CPUs and DDR2 memory are obsolete; sourcing

Memory

  • DIMM Slots: 4
  • Memory Type: DDR3
  • Memory Speed: Up to 1600MHz
  • Maximum Memory Capacity: 32GB

I/O Ports (rear)

  • PS/2: Keyboard and mouse ports
  • VGA: 1
  • USB: 6–8 USB 2.0 ports (combination of rear and header)
  • LAN: RJ-45 Ethernet
  • Audio jacks: Line-out, line-in, mic-in

Part 2: Likely Motherboard Models & Their Full Specifications

Given the POST code pattern, you likely own one of these three Intel Desktop Boards. Below are the complete technical specifications.

Intel Desktop Board 21 B6 E1 E2: Complete Specification Guide and Direct Links

Published by Tech Archive Solutions | Updated: May 2026

If you’ve landed here searching for the phrase "intel desktop board 21 b6 e1 e2 specification link", you are likely troubleshooting a legacy Intel motherboard, trying to identify a specific OEM board, or hunting down long-lost driver support pages. This alphanumeric sequence is unusual, as it does not directly match Intel’s standard product codes (like DQ67SW or DH61CR). Instead, based on pattern analysis, "21 B6 E1 E2" points toward a diagnostic error code sequence or a POST (Power-On Self-Test) LED readout specific to Intel Desktop Boards from the Core 2 Duo/Core i-series (LGA775/LGA1155/LGA1156) era.

This article decodes the meaning behind “21 b6 e1 e2,” provides the official specifications for the likely motherboard families, and—most importantly—delivers the working specification links for Intel’s archived product documentation.

Form Factor & Physical Details

  • Form Factor: Micro-ATX (9.60 inches x 8.20 inches / 243.84 mm x 208.28 mm)
  • Chipset: Intel G41 Express Chipset
  • Southbridge: ICH7
  • Audio Chipset: Realtek ALC662 (5.1 channel High Definition Audio)
  • LAN Chipset: Realtek RTL8111D (Gigabit Ethernet)
Scroll to Top