| Model Code | Key Specifications | Typical Dell Models | | :--- | :--- | :--- | | | LGA 775 socket (Intel Core 2 Duo/Quad), DDR2 memory, 255W PSU | OptiPlex 360, 760, 780 | | HA0326 | LGA 775 socket, DDR2 memory, 2.6 GHz dual-core Pentium | OptiPlex 360 (often seen in earlier revision) | | KA0121 | LGA 1155 socket (Intel 2nd/3rd gen Core i3/i5/i7), DDR3 | OptiPlex 790, 990 | | LA0601 | LGA 1155 socket, DDR3, SFF (Small Form Factor) | OptiPlex 9010 |
Diagnosing "No Power" or "No POST" scenarios.
If you are currently diagnosing a specific fault on this board, please share the you have taken or the exact diagnostic LED codes you see. I can guide you through the specific page or circuit block of the schematic to inspect next. Share public link
| Model Code | Key Specifications | Typical Dell Models | | :--- | :--- | :--- | | | LGA 775 socket (Intel Core 2 Duo/Quad), DDR2 memory, 255W PSU | OptiPlex 360, 760, 780 | | HA0326 | LGA 775 socket, DDR2 memory, 2.6 GHz dual-core Pentium | OptiPlex 360 (often seen in earlier revision) | | KA0121 | LGA 1155 socket (Intel 2nd/3rd gen Core i3/i5/i7), DDR3 | OptiPlex 790, 990 | | LA0601 | LGA 1155 socket, DDR3, SFF (Small Form Factor) | OptiPlex 9010 |
Diagnosing "No Power" or "No POST" scenarios. dell e93839 motherboard schematic high quality better
If you are currently diagnosing a specific fault on this board, please share the you have taken or the exact diagnostic LED codes you see. I can guide you through the specific page or circuit block of the schematic to inspect next. Share public link | Model Code | Key Specifications | Typical