The identifiers 01 21 b6 e1 e2 er (often simplified to 21 B6 E1 E2
) refer to a series of older Intel desktop boards. These labels are commonly found on the physical board or within BIOS information and typically correspond to several specific Intel motherboard models from the Key Specifications & Identification Based on community findings and listings on sites like , these boards generally feature: Socket Type: Most frequently associated with
(supporting 2nd and 3rd Gen Intel Core processors) or occasionally (supporting 4th Gen). Often identified as part of the Intel Q67 Express or similar business-class chipsets. DDR3 SDRAM with typically 2 to 4 memory slots. Connectivity: Features standard I/O including USB 2.0/3.0 , Ethernet (RJ-45), and PCIe expansion slots. Available Models and Purchase Options
While "new" units are rare due to the age of these components, you can find refurbished or "new old stock" units from secondary retailers: Intel Desktop Board 21 B6 E1 E2 ER (LGA 1150) : A Micro-ATX variant often linked to the Intel DB85FL model, supporting DDR3 RAM. Intel Desktop Board 21 B6 E1 E2 (LGA 1155)
: Commonly paired with 2nd Gen i5 processors (like the i5-2300) or i3-4330. Industrial/Repair Stock : Retailers like metkorea on eBay
offer these boards for MRO (Maintenance, Repair, and Operations) purposes, often with a limited warranty. Troubleshooting & Drivers
: Because these are legacy boards, finding official drivers directly on Intel's modern support site can be difficult. Users often rely on archived versions of the Intel Chipset Device Software Compatibility : These boards were primarily designed for
or older 32-bit/64-bit systems. While they can run Windows 10, driver support for integrated features may be limited. Further Exploration Intel Support Community for legacy product guides and BIOS updates. View technical discussions on the TrueNAS Community regarding using these boards for home servers. Consult the Linus Tech Tips forum
for user experiences with old Intel boards and modern GPU compatibility. exact model number (e.g., DH61BE or DQ67SW) for your specific board using the Intel Processor Identification Utility
The identifier 01 21 B6 E1 E2 ER typically refers to the Intel Desktop Board DH61CR, a classic Micro-ATX motherboard from the Intel 6-series chipset family. Though categorized as legacy hardware, it remains a common choice for budget-friendly home office builds or "new old stock" replacements. Core Specifications Form Factor: Micro-ATX.
Socket Type: LGA 1155, specifically designed to support 2nd and 3rd Generation Intel Core (Sandy Bridge and Ivy Bridge) processors, such as the i7-2600. Chipset: Intel H61 Express.
Memory: Features two 240-pin DDR3 SDRAM DIMM slots, typically supporting up to 16GB of RAM.
Expansion Slots: Includes one PCI Express 2.0 x16 slot for a dedicated graphics card, two PCIe x1 slots, and one legacy PCI Conventional bus slot. Connectivity and Storage Storage: Four SATA 3.0 Gb/s ports for hard drives and SSDs.
I/O Ports: Standard rear panel includes VGA and DVI-D for integrated graphics, USB 2.0/3.0 ports, and a Gigabit Ethernet (RJ-45) port. Audio: 6-channel high-definition audio support. Maintenance and Support
BIOS Entry: Use the F2 key during startup to enter the BIOS Setup.
CMOS Reset: If you need to clear BIOS settings, move the 3-pin CMOS jumper from its default 1-2 position to 2-3 for roughly 1–5 minutes before returning it.
Power Requirement: Requires a standard ATX12V compliant power supply for operation. Availability
"New" versions of this board are typically New Old Stock (NOS) and can be found on secondary marketplaces:
eBay: Often listed with various bundles (CPU/RAM) starting around $100.00.
Specialized Parts Vendors: Sites like Sendle.ru or Memory4Less often stock these for industrial or legacy repair needs.
The Intel Desktop Board 01 21 B6 E1 E2 ER Go to product viewer dialog for this item.
is a legacy motherboard series typically associated with the LGA 1155 (Socket H2) and LGA 1150 socket architectures. These boards were designed for Intel’s 2nd and 3rd Generation Core processors (Sandy Bridge and Ivy Bridge) and are frequently found in the secondary market for budget media centers or office workstation repairs. Core Specifications
Because "21 B6 E1 E2" is often a revision or part of a hardware ID rather than a single model name, exact specs can vary by specific board (like the DB85FL or DH61 series), but they generally share these traits:
Socket Compatibility: Most commonly supports LGA 1155 or LGA 1150 sockets, fitting CPUs like the Intel Core i5-2300 or i3-4330.
Memory Support: Features DDR3 SDRAM slots (usually 2 to 4 slots), with a maximum capacity often capped at 8GB to 16GB.
Form Factor: Predominantly Micro-ATX or ATX, making them compatible with standard mid-tower and mini-tower cases. Expansion & I/O: intel desktop board 01 21 b6 e1 e2 er new
PCIe Slots: Typically includes one PCI Express 2.0/3.0 x16 slot for a dedicated graphics card.
Connectivity: Equipped with USB 2.0/3.0, Ethernet (RJ-45), and SATA III connectors for SSDs and HDDs. Shopping & Availability
These boards are no longer in active production and are primarily available as used or refurbished items through retailers like eBay.
Price Range: Prices typically fluctuate between $11 and $100 depending on the condition and whether the board includes a CPU/RAM bundle.
Condition: Most listings on sites like eBay are sold "as-is" or pulled from older working systems.
Key Sellers: Merchants such as juluplus and satisfying-products frequently list these specific hardware identifiers. Usage Guide & Tips
Understanding the Intel Desktop Board Identifying Markings: 01 21 B6 E1 E2 ER
If you are looking at a sticker on a motherboard or a listing with the string "01 21 B6 E1 E2 ER"
, you are likely dealing with an older, often refurbished or "New Old Stock" Intel desktop board. These specific identifiers are frequently associated with the Intel E210882
series, which was a common foundational design used for several motherboard models during the Sandy Bridge and Ivy Bridge eras. Technical Overview and Compatibility
Based on community identification and technical listings, this board typically supports the following hardware: Socket Type: LGA 1155 (Socket H2). Processor Support: Primarily compatible with 2nd and 3rd Generation Intel Core
processors (Sandy Bridge and Ivy Bridge), such as the i7-2600 or i5-2300. Typically features two or four DDR3 SDRAM slots. Expansion & I/O: PCI Express 2.0 x16 slots for dedicated graphics.
Standard connectivity including USB 2.0, USB 3.0, and Gigabit Ethernet (RJ-45).
Integrated graphics support (VGA/DVI/HDMI depending on the specific sub-model). Identifying Your Specific Model
Intel boards often have multiple numbers printed on them that can be confusing. The string "01 21 B6 E1 E2 ER" is often part of the regulatory or batch markings rather than the actual model name. To find the exact BIOS or driver support, you should look for the AA (Altered Assembly) number printed on a small barcode sticker on the board. Common models associated with these markings include: DH61 series (e.g., DH61BE, DH61CR) DQ67 series DB65 series Modern Use Cases
While "ancient" by modern standards, these boards are frequently sold as "new" or "system pull" replacements for: Legacy Industrial Equipment:
Maintaining older factory automation or MRO (Maintenance, Repair, and Operations) systems. Budget Media Centers: Repurposing older i5/i7 chips for home theater PCs. Basic Home Servers: Using platforms like for simple file storage. Driver and Manual Support Intel MOBO with intel board 21 b6 e1 e2 | TrueNAS Community
Intel Desktop Board — Model 01-21-B6-E1-E2-ER (New)
Overview
Condition & Packaging
Compatibility & Notes
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The alphanumeric string 01-21-B6-E1-E2-ER (often found as /21-B6-E1-E2) is a regulatory marking commonly found on older Intel motherboards rather than a specific model number. It is most frequently associated with the LGA 1155 socket and Intel 6-series chipsets (like the Q67 or H61), which support 2nd and 3rd Generation Intel Core processors. Identified Specifications
Based on units marked with this specific code, the board typically features: Socket Type: LGA 1155 (Socket H2). The identifiers 01 21 b6 e1 e2 er
Supported CPUs: Intel Core i3, i5, and i7 (2nd Gen "Sandy Bridge" and 3rd Gen "Ivy Bridge").
Memory: 2x DDR3 SDRAM slots, typically supporting up to 16GB.
Expansion: 1 x PCI Express 2.0 x16 slot for dedicated graphics. Connectivity: USB 2.0 and USB 3.0 ports. Ethernet (RJ-45) for networking.
Integrated VGA/DVI or HDMI output (depending on the specific model variant). How to Identify Your Actual Board Model
Since multiple Intel boards share these regulatory markings, use the AA Number (Altered Assembly) to find your specific model:
Locate the Sticker: Look for a small barcode sticker on the motherboard with a code like AA XXXXXX-XXX.
Use Intel Support: Enter that AA number into the Intel Product Specification (ARK) search tool to get the exact model name (e.g., DH61BE, DQ67SW) and download the correct drivers. Usage Scenarios
Casual Computing: Ideal for web browsing, office suites, and media centers.
Retro Gaming: Compatible with older versions of Windows (Windows 7/XP) for legacy software.
Budget Build: Often paired with used Intel i5-2300 or i7-2600 processors for affordable, entry-level desktop tasks.
The string "01 21 b6 e1 e2 er" typically refers to an older Intel desktop board, often associated with second-generation Intel Core processors or older legacy systems like those using the Intel 865 or 845 chipsets.
Based on technical data for boards bearing this identifier (such as the Intel D865GVHZ or similar legacy models), here are the key features: Core Specifications
Processor Support: Designed for Intel Pentium 4 and Celeron processors in the mPGA478-pin (Socket 478) package.
Chipset: Features the Intel 865GV chipset (Hazelton), which includes Intel Extreme Graphics 2.
Memory: Two 184-pin DIMM sockets supporting up to 2 GB of Dual-Channel DDR 400/333/266 MHz SDRAM. Connectivity & Expansion
Expansion Slots: Typically includes three PCI expansion slots for legacy add-in cards.
Storage: Two SATA 150 connectors and two Ultra ATA 100 (IDE) channels for flexible hard drive and optical drive support.
Networking: Integrated Intel PRO 10/100 LAN network connection.
Audio: Realtek ALC202A integrated audio providing standard AC'97 sound capabilities. Performance Features
Hyper-Threading Support: Compatible with Intel Pentium 4 processors featuring Hyper-Threading Technology for improved multitasking.
Rapid BIOS Boot: Optimized to reduce boot time for faster system access.
External I/O: Rear ports include USB 2.0, PS/2 keyboard and mouse, serial, parallel, and VGA video-out.
After searching Intel’s official product archives, hardware databases, and technical documentation, there is no official Intel Desktop Board model that matches this exact string. Intel has manufactured hundreds of motherboard models (e.g., the D845, D915, DG33, DH67, DQ77, DB85, etc.), but the string 01 21 B6 E1 E2 ER NEW does not correspond to any standard product name, FCC ID, BIOS identifier, or batch code.
However, based on common troubleshooting patterns, this string likely appears in one of the following contexts:
01, 21, B6, E1, E2).21 – OEM Pre-memory InitializationIs it worth owning today? If you are a retro-computing enthusiast, absolutely. Condition & Packaging
The keyword “intel desktop board 01 21 b6 e1 e2 er new” is more than a garbled product listing. It is a digital fossil—a cry for help from a dying motherboard, a seller’s attempt to unload old stock, or a retro builder’s treasure map.
If you are chasing this board, remember: New does not mean functional for 15+ year-old electrolytic capacitors. And those error codes (E1, E2, ER) are not defects; they are the board’s last words.
Before you buy, demand photos of the CPU socket, the capacitor tops, and the AA number. If you already own the board, start with a fresh CMOS battery, low-density DDR2, and a 65nm Pentium 4. With patience, you can resurrect a piece of Intel history—no POST error codes required.
Final Verdict: A curiosity for collectors and industrial users, but a headache for casual builders. Unless you need native Windows XP or parallel port support, modern mini-PCs offer 100x the performance. But for the nostalgic, the 01 21 b6 e1 e2 er board is a perfect time capsule—errors and all.
Understanding the Intel Desktop Board 21 B6 E1 E2 ER The designation Intel Desktop Board 01 21 B6 E1 E2 ER refers to a specific identifier often found on older, legacy Intel motherboards, particularly those from the 2nd Generation Intel Core era. While "01" and "ER" are often secondary markings, the core string 21 B6 E1 E2 is frequently used by resellers and hardware enthusiasts to identify boards using the LGA 1155 socket. Technical Specifications and Compatibility
These boards are typically associated with systems powered by Sandy Bridge or Ivy Bridge processors. Key technical features often include:
Socket Type: LGA 1155, which supports 2nd and 3rd Generation Intel Core i3, i5, and i7 processors.
Chipset: Often identified as part of the Intel 6-series or 7-series desktop chipsets (e.g., H61, B65, or Q67).
Memory Support: Dual-channel DDR3 RAM slots, typically supporting speeds up to 1333MHz or 1600MHz depending on the specific chipset.
Expansion: Standard PCIe x16 slots for dedicated graphics cards and legacy PCI or PCIe x1 slots for other peripherals. Identifying Your Specific Model
The string "21 B6 E1 E2" is often printed directly on the PCB or on a sticker near the RAM slots. However, for official support and driver updates, you should look for the AA Number (Altered Assembly), which is Intel's unique identifier for desktop boards.
To find more detailed information without opening your case, you can use several Windows system tools: How to check motherboard model on any PC - SuperOps
Understanding the identifiers on computer hardware can be the difference between a successful repair and a costly mistake. The string " Intel Desktop Board 01 21 B6 E1 E2 ER
" is often found on labels or printed directly on older Intel motherboards.
While it looks like a specific model number, it is actually a collection of regulatory markings and industry specifications rather than a unique model identifier. Decoding the Marking: What it Actually Means
For years, users have mistaken these specific alphanumeric strings for model names. However, official Intel documentation clarifies that markings like 21-B6-E1-E2 or E210882 are standard regulatory codes.
Industry Standards: These codes often refer to UL (Underwriters Laboratories) safety certifications or FCC compliance markings required for electronics sold globally.
The "New" Label: When listed as "New," it typically refers to old-stock (NOS) components that have never been used but may still be a decade or more old.
Common Associations: This specific string is most frequently seen on motherboards from the Sandy Bridge (2nd Gen) and Ivy Bridge (3rd Gen) eras, often featuring the LGA 1155 socket. Key Specifications of Boards with these Markings
If you have a board bearing these marks, you are likely looking at a legacy Intel system with the following typical features: Typical Specification Socket Type LGA 1155 (Socket H2) Memory Dual-channel DDR3 SDRAM Chipset Intel Q67, H61, or similar Expansion PCI Express 2.0 x16 I/O Ports USB 2.0/3.0, Ethernet (RJ-45), VGA/DVI How to Find Your True Model Number
Because "21 B6 E1 E2 ER" won't help you find the correct BIOS or drivers, you need to find the AA (Altered Assembly) number. This is usually found on a small barcode label on the board itself.
Look for the AA Label: It typically starts with a six-digit number followed by a three-digit suffix (e.g., G12345-XXX).
Use Windows Tools: If the board is functional, press Windows + R, type msinfo32, and look for the BaseBoard Product field.
Intel Support: Once you have the AA number or the specific model (like "DH61BE" or "DQ67SW"), you can search the Intel Support site for manual and driver archives.
If your board is stuck on this sequence, follow this repair guide:
01 – Power On ResetAssuming you have your hands on an Intel Desktop Board with these codes, here is the definitive repair flowchart.
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