Intel Desktop Board 21 B6 E1 E2 Specification -
If you see on boot, that is normal. If you get stuck on E1 or E2 , your system has a RAM compatibility or seating issue.
| Feature | Requirement to clear "21 b6 e1 e2" | | :--- | :--- | | | Intel D945GCCR / D945GCL | | RAM | 1x 512MB DDR2-533 (Low Density, Single Rank) | | CPU | Pentium 4 531 (3.0GHz, 800 FSB) – Not Core 2 Duo | | PSU | Minimum 250W with 4-pin 12V connector | | BIOS Version | 0049 or lower (Older BIOS have stricter timings) | intel desktop board 21 b6 e1 e2 specification
Some variants may include additional PCI Express x1 slots or legacy PCI slots depending on the exact form factor (often Micro-ATX). Connectivity Standard rear I/O including and occasionally Integrated Ethernet (RJ-45) Video outputs usually consist of for integrated graphics. Key Identification Tip If you see on boot, that is normal