You can find the model number in two ways:
Method A: Visual Inspection
Method B: Use the "21 B6 E1 E2" Code If you cannot open the case, use the number you have: intel desktop board 21 b6 e1 e2 manual better
Once you have the model name (e.g., DH67BL), you can get the official Intel manual here: You can find the model number in two
Model: Intel Desktop Board D201GLY2 (Often found in the Little Valley series) Release Era: ~2007 (Legacy / Retired Hardware) Form Factor: Mini-ITX (17cm x 17cm) Method B: Use the "21 B6 E1 E2"
This board was designed as a low-cost, low-power solution for basic computing (web kiosks, basic office work, or home servers). Because it is a legacy board, modern users often struggle with its specific limitations.
Instead of digging through the manual for the I/O shield diagram: