Here are the full specs for the Intel DQ67OW Desktop Board:
Processor Support
Memory
Video & Graphics
Storage & Connectivity
USB & I/O
Expansion Slots
Key Features
This board uses an LGA 775 socket. It supports the following processors (check your specific BIOS version for full support):
"21 B6 E1 E2" is not a motherboard model name, but rather a regulatory or industry specification marking found on several different Intel boards from the early 2010s. It is most commonly associated with boards using the LGA 1155 socket
, which supports 2nd and 3rd Generation Intel Core processors. Identification and Specifications
Because this marking appears on multiple models, you must find the AA (Altered Assembly) number
printed on a small barcode label on the board to get exact specifications.
General specifications for boards bearing this marking include: Socket Type: LGA 1155 (Socket H2) Supported CPUs:
2nd Generation (Sandy Bridge) and 3rd Generation (Ivy Bridge) Intel Core i3, i5, and i7 processors (e.g., DDR3 SDRAM with 2 to 4 DIMM slots. Expansion:
1 x PCI Express 2.0 x16 slot; some variants include additional x16 slots running in x4 mode. I/O Ports: Ethernet (RJ-45), USB 2.0 and USB 3.0 Resources for Specific Models
If your board matches the general look of these "Sandy Bridge" era boards, you can find official documentation for common models like the Manuals & Guides: You can search for specific Product Guides Quick Reference Guides on Intel's archived support pages. Compatibility: Intel Product Compatibility Tool
to verify which processors and memory modules work with your specific AA number. Can you find a barcode label
with a number starting with "AA" on your board to identify the exact model?
The Intel Desktop Board D21B6 (also marketed as D21E1 / D21E2 variants) is a compact, socketed motherboard series designed for small-form-factor desktop and embedded systems. It blends stable Intel chipset features with legacy I/O support, making it useful for industrial, thin-client, kiosk, and home-office builds that need long-term availability and reliable onboard interfaces.
Specification Link
You can find the detailed specification of the Intel Desktop Board DZ77SL-50KZ on the Intel website: https://www.intel.com/content/www/us/en/support/motherboards/desktops/dz77sl-50kz.html intel desktop board 21 b6 e1 e2 specification link
Conclusion
The Intel Desktop Board DZ77SL-50KZ is a powerful and feature-rich motherboard designed for 3rd generation Intel Core processors. With its support for USB 3.0, SATA 6Gb/s, and Intel Gigabit Ethernet, this motherboard offers excellent performance and connectivity options. Whether you're a gamer, content creator, or business user, the Intel Desktop Board DZ77SL-50KZ is an excellent choice for your next PC build.
Additional Resources
FAQs
Q: What is the maximum memory capacity of the Intel Desktop Board DZ77SL-50KZ? A: The maximum memory capacity of the Intel Desktop Board DZ77SL-50KZ is 32GB.
Q: What type of processors does the Intel Desktop Board DZ77SL-50KZ support? A: The Intel Desktop Board DZ77SL-50KZ supports 3rd generation Intel Core i7, i5, and i3 processors.
Q: What is the LAN speed of the Intel Desktop Board DZ77SL-50KZ? A: The LAN speed of the Intel Desktop Board DZ77SL-50KZ is up to 1000Mbps.
Q: What type of audio does the Intel Desktop Board DZ77SL-50KZ support? A: The Intel Desktop Board DZ77SL-50KZ supports 7.1-channel audio, with Dolby TrueHD.
The string "/21 B6 E1 E2" (often written as 21-b6-e1-e2) found on your Intel desktop board is a regulatory and industry specification marking
, not a model number. Because these markings appear on many different boards to indicate compliance with standards (such as FCC or safety regulations), they cannot be used to find a specific board's technical specifications. University of Colorado Boulder How to Identify Your Actual Board Model To find the correct specification link, you must locate the AA (Altered Assembly) number or the model name printed elsewhere on the board. Look for the AA Number
: Search for a small barcode label on the board with a number like AA XXXXXX-XXX . This is the most reliable way to identify an Intel board. Check the Model Name
: Look for a silkscreened name starting with "D" or "DH" (e.g., Use Software : If the computer is functional, use the Windows System Information tool to find the "BaseBoard Product" or manufacturer details. Likely Specifications Based on Similar Reports
While "/21 B6 E1 E2" is just a marking, users often find this code on older Intel boards featuring the following common traits: Socket Type : Frequently associated with : Often found on boards using the : Typically supports RAM, depending on the generation. Official Resource Links
Once you have the AA number or model name, use these official Intel tools to find your specific manual and specifications: Intel S975XBX2 Workstation Board
"21 B6 E1 E2" is not a specific model name but is often cited in community forums and secondary marketplaces to refer to older Intel H61 or H81 chipset motherboards, frequently those with LGA 1155 or LGA 1150 sockets
. These numbers are often part of regulatory or specification markings on the physical board rather than the actual model identifier. Identified Specifications
Based on common listings for boards bearing these markings, the technical specifications typically include: Socket Type : Most frequently associated with Socket LGA 1155 (supporting 2nd and 3rd Gen Intel Core processors) or Socket LGA 1150 (supporting 4th Gen processors). Form Factor : Generally (mATX) or occasionally : Typically features 4 DDR3 RAM slots
with support for up to 8GB or 16GB depending on the specific sub-model. : Common slots include PCI Express (PCIe) and legacy OS Compatibility : Originally designed for systems running or older 32-bit/64-bit environments. How to Find Official Specifications
Because "21 B6 E1 E2" is a generic marking, you must find the (Altered Assembly) to get the exact Intel Desktop Board model and manual. Locate the AA Number
: Look for a small barcode label on the motherboard. It will follow a format like G12345-XXX Search the AA Number : Enter this code into the Intel Product Specifications (ARK) tool
to retrieve the official technical product specification (TPS). Check System Information : If the board is currently powered on, use the Microsoft System Information app to find the "BaseBoard Product" name. Here are the full specs for the Intel
Intel /21 B6E1E2 Mobo w/Intel i5-2488 3.1 GHz SP00Q w/Fan & Heatsink & Backplate
The sequence 21 B6 E1 E2 (often found near markings like E210882) is not actually a model number for an Intel desktop board, but rather a set of regulatory and industry specification markings. Because these markings are shared across many different boards to indicate compliance with electronic standards, they cannot be used to find a unique specification link.
To find the correct specification for your board, you need the AA number (Altered Assembly), which is a small barcode label found on the motherboard itself. How to Find Your Actual Specifications
Check the Physical Board: Look for a small white sticker with a barcode. It will typically have a 6-digit number followed by a 3-digit number (e.g., G10212-201).
Use Windows Command Prompt: If the board is currently in a working PC, open Command Prompt and type:wmic baseboard get product, ManufacturerThis will return the actual model name (e.g., DH67BL, DQ67SW).
Search the Intel Database: Once you have the AA number or Model Name, search for it on the Intel Product Specifications (ARK) site or the Intel Support Page. Known Details for Boards with these Markings
Boards bearing the "21 B6 E1 E2" marking are typically from the Sandy Bridge (2nd Gen) or Ivy Bridge (3rd Gen) era (circa 2011–2013). Common specs for these legacy boards include: Socket: LGA 1155. Chipsets: Often Intel Q67, H61, or B75. Memory: DDR3 SDRAM (typically 2 to 4 slots).
Storage/Expansion: SATA 3.0 or 6.0 Gb/s ports and PCIe 2.0/3.0 x16 slots.
Based on the identifiers provided, here is the text and the link for the specifications.
Product Name: Intel® Desktop Board DH61BE
Technical Product Specification Link: The official document is titled Technical Product Specification (TPS). You can access the PDF directly from Intel's archive here:
Explanation of Identifiers:
If you are reinstalling this board, keep the following in mind:
For example, if the board is Intel DH67BL, the spec link is:
https://www.intel.com/content/www/us/en/products/sku/50035/intel-desktop-board-dh67bl/specifications.html
Would you like help identifying the model if you can share a photo of the board or any other printed text near the center or edge?
Finding specific information for the Intel Desktop Board 21 B6 E1 E2 can be challenging because these markings—often found printed directly on the PCB—are generally regulatory or industry specification markings rather than the actual model number.
However, based on community reports and hardware listings, this identifier is most commonly associated with Intel 6-series chipset boards (such as the Q67 or H61) that utilize the LGA 1155 socket for 2nd Generation Intel Core processors. Quick Specifications Summary
If your board features the "21 B6 E1 E2" marking, it likely conforms to the following hardware profile: Typical Specification CPU Socket LGA 1155 (Socket H2) Compatible CPUs 2nd Gen Intel Core (i3, i5, i7), Pentium, and Celeron Chipset Often Intel Q67 Express or H61 Express Memory DDR3 SDRAM (typically 2 slots) Expansion 1x PCIe 2.0 x16 slot; additional PCIe x1 slots Storage SATA 2.0 (3 Gb/s) and sometimes SATA 3.0 (6 Gb/s) I/O Ports
USB 2.0 (some models have USB 3.0), Ethernet (RJ-45), VGA/DVI How to Find Your Official Specification Link
Because "21 B6 E1 E2" is not a unique model name, you must identify the AA number or the actual model name (e.g., DH61BE, DQ67SW) to find the correct technical product specification (TPS).
Check the Board Labels: Look for a small white barcode label on the board. The number starting with "AA" (e.g., AA G12345-XXX) is the unique identifier Intel uses for documentation. Memory
Use Software Identification: If the PC is bootable, download a tool like CPU-Z or use the Windows System Information tool (type msinfo32 in the Run box) to see the "BaseBoard Product" field.
Search the Intel Archive: Once you have the model (e.g., DQ67OW), you can find the Intel Technical Product Specifications in their support archive. Driver and Support Resources Intel Desktop Board 21 B6 E1 E2 Driver Download - Facebook
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
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.
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
The string "21-B6-E1-E2" found on your Intel motherboard is not a specific model number, but a regulatory or industry specification marking often found on boards using the LGA 1155 socket. It is typically associated with Intel’s 2nd Generation (Sandy Bridge) and 3rd Generation (Ivy Bridge) Core processor desktop boards.
Because this is a marking and not a model name, specifications can vary slightly depending on the exact board model (such as the DQ67OW or DB75EN) it is stamped on. Common Specifications for Boards with this Marking Socket Type: LGA 1155 (Socket H2).
Supported CPUs: 2nd and 3rd Generation Intel Core i3, i5, and i7 processors (e.g., i5-2300 or i7-2600).
Memory: Typically supports DDR3 SDRAM with dual memory slots.
I/O Ports: Usually includes Ethernet (RJ-45), USB 2.0, and USB 3.0.
Expansion: Often features PCI Express 2.0 x16 slots for dedicated graphics cards. How to Find Your Exact Specification Link
Intel has discontinued official support for many of these "Desktop Boards," but you can identify your specific model to find its manual:
Check the AA Number: Look for a small barcode label on the board with a number starting with "AA" (e.g., AA G10212-201). This is the true identifier for Intel motherboards.
Use Windows System Information: If the PC is bootable, press [Windows] + R, type msinfo32, and look at the BaseBoard Product field to see the actual model name.
Search the Intel Archive: Once you have the model name (like DH61BE), you can search for its specific "Product Guide" or "Technical Product Specification" on the Intel Support site.
Do you have the AA number from the barcode on the board so I can help you find the exact manual?
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