Commonly denotes the "Stepping" or "Version" of the board, which can affect BIOS compatibility and specific supported features like USB 3.0 or PCIe 3.0. Technical Features and Exclusive Details
| | Detailed Information | | :--- | :--- | | Board Form Factor | microATX : 9.60 inches by 8.60 inches (243.84 mm x 218.44 mm). | | Processor Socket | LGA775 socket. | | Supported Processors | Supports the following processors in an LGA775 socket: Intel® Core™2 Quad (up to 1333 MHz system bus), Intel® Core™2 Duo (up to 1333 MHz system bus), Intel® Pentium® Dual-Core (800 MHz system bus), and Intel® Celeron® (800 MHz system bus). | | Chipset | Intel® G31 Express Chipset comprising: Intel® 82G31 Graphics and Memory Controller Hub (GMCH) and Intel® 82801GB I/O Controller Hub (ICH7). | | Memory Support | Two 240-pin DDR2 SDRAM DIMM sockets supporting DDR2 800 MHz or DDR2 667 MHz DIMMs. | | Maximum Memory | Up to 4 GB of system memory using non-ECC, unbuffered, 1.8V DIMMs in either single or dual-channel configuration. | | Integrated Graphics | Intel® Graphics Media Accelerator 3100 (Intel® GMA 3100) onboard graphics subsystem with a VGA output connector. | | Expansion Slots | Two PCI Conventional bus add-in card connectors. | | Storage I/O | Two Serial ATA (SATA 3.0 Gb/s) interfaces (support for up to two drives) and One Parallel ATA (IDE) connector supporting UDMA 33, ATA-66/100 for legacy drives. | | Back Panel I/O Ports | VGA graphics port; four USB 2.0 ports; 10/100 Mb/s LAN port; four-channel audio jacks; PS/2 ports for mouse and keyboard; legacy serial port; Parallel printer port. | | Onboard Headers | Four additional USB 2.0 ports via two front-panel headers; one legacy serial port header; one diskette drive connector. | | LAN | 10/100 Mbit/sec LAN subsystem using the Intel® 82562G Ethernet Controller. | | Audio | 4-channel (2+2) audio subsystem using the Realtek ALC268-GR audio codec. | | BIOS | Intel® BIOS resident in a 4 Mbit (512 KB) SPI Flash device, supporting ACPI, Plug and Play (PnP), SMBIOS, and PCI autoconfiguration. | | Power Requirements | Requires standard ATX power supply with 2x12 main power connector and 12V (2x2-pin) processor power connector. | | Temperature Range | Operating: 0°C to +55°C. | | Environmental | ENERGY STAR® capable. |
Given that the motherboards linked to the "21 B6 E1 E2" marking are at least 8-15 years old, it is crucial to manage expectations regarding modern software: intel desktop board 21 b6 e1 e2 specification exclusive
| Specification | Detail | | :--- | :--- | | | microATX (9.6″ x 8.0″) | | Chipset | Intel G41 Express + ICH7 | | CPU Socket | LGA775 | | Supported CPUs | Core 2 Quad, Core 2 Duo, Pentium Dual-Core, Celeron (FSB 800/1066/1333 MHz) | | Memory | 2 x DDR3 DIMM slots (max 4GB – critical exclusive note: 8GB is not officially supported) | | Memory Speed | DDR3-800, DDR3-1066 (1333 MHz downclocked to 1066) | | Integrated Graphics | Intel GMA X4500 (DX10, no HD video decode) | | Expansion Slots | 1 x PCIe x16 (Gen 1.1), 1 x PCIe x1, 2 x PCI | | Storage | 4 x SATA 3Gb/s (no RAID), 1 x PATA (IDE) | | Audio | Realtek ALC662 (5.1 channel) | | Rear I/O (Fixed) | PS/2 Keyboard, PS/2 Mouse, VGA, 4 x USB 2.0, LAN, Line-out/Mic |
Native SATA III (6 Gbps) internal storage connections alongside rear-panel USB 3.0 interfaces. Core Hardware Specification Matrix Commonly denotes the "Stepping" or "Version" of the
It often features support, crucial for enterprise-grade hardware encryption and secure booting protocols. 3. Detailed Connectivity and Expansion
PCIe x16 for dedicated graphics or high-speed RAID controllers. | | Supported Processors | Supports the following
Typically includes 1 × PCI Express 2.0 × 16 slot (for graphics cards), 1 × PCI Express × 4, and 1 × PCI Express × 1 or standard PCI slots for legacy hardware. 4. Performance and Best Use Cases
4 x DIMM slots (Supports up to 32GB DDR3 1333/1066 MHz), Dual-channel architecture. 2. Exclusive Features of the 21-B6-E1-E2 (Q67) Platform