If you want, I can fetch the official spec sheet now and summarize exact details (memory max, exact SATA count, chipset model) — say "fetch spec sheet".
Once identified, use the specification links above to check: intel desktop board 21 b6 e1 e2 specification link
| Feature | Specification for Code 21 B6 E1 E2 | | :--- | :--- | | | Intel Desktop Board DG41RQ | | Official Link | Intel ARK DG41RQ | | Socket | LGA 775 | | Chipset | Intel G41 + ICH7 | | RAM Type | DDR2 (Max 4GB) | | Best OS | Windows XP SP3 / Windows 7 32-bit | | Max CPU | Core 2 Quad Q9650 (1333MHz FSB) | If you want, I can fetch the official
If you’ve landed here searching for the phrase , 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. Instead, based on pattern analysis, "21 B6 E1
for a label like: BOXDG41RQ , BLKDH67GD , or a 5–7 alphanumeric code starting with D .
The string is not a model number but a regulatory or industry specification marking . Because multiple Intel motherboards carry these same markings, you must locate the AA (Altered Assembly) number printed on a small barcode label on the board to find the correct specifications . Common Identifiers for This Board