Intel Desktop Board 21 B6 E1 E2 Manual File
If you hear three long beeps, this indicates a Memory Error . The D845EPT2 is very particular about DDR memory. Ensure the RAM is seated firmly. If using high-density RAM (e.g., a single 1GB stick), it may not be recognized; try using two 512MB sticks instead.
To find the correct manual and drivers, you must first identify the actual board model using the steps below. 1. Identify Your Motherboard Model intel desktop board 21 b6 e1 e2 manual