The string is not a motherboard model number, but rather a regulatory or manufacturing identifier often found on older Intel Desktop Boards from the 2nd Generation (Sandy Bridge) era . These boards commonly use the LGA 1155 socket and support processors like the Intel Core i5-2300 or i7-2600. Identification and Manuals
: If the PC is functional, you can find the model using the Windows System Information Tool : Press Windows + R , type msinfo32 , and press Enter. Intel Desktop Board 21 B6 E1 E2 Manual
This is where you connect your case buttons and lights. Intel standard layouts usually feature: Usually pins 6 and 8. Reset Switch (RST): Usually pins 5 and 7. Hard Drive LED (HDD_LED): Usually pins 1 and 3. Power LED (PWR_LED): Usually pins 2 and 4. BIOS Configuration Jumper The string is not a motherboard model number,
If the PC is functional, open PowerShell and type: wmic baseboard get product,manufacturer This will return the actual model name (e.g., "DH61CR"). 2. Common Boards with this Marking This is where you connect your case buttons and lights
: Look for a small white sticker on the motherboard (often near the RAM slots or PCIe slots) with a code like AA XXXXXX-XXX Use Intel Support : Once you have that number, you can search for it on the Intel Support site to find the specific model name (e.g., DH61BE, DQ67SW). Download the Manual
Because markings like "21 B6 E1 E2" are not model numbers, you must locate the true board identifier to find the correct manual. 1. Check the Physical Board Look directly at the motherboard for a small barcode label.
Look for and BaseBoard Manufacturer in the System Summary.
