X86-Secret : ES Zone
Am486 DXL2-80 ES  (Week ??, Year 1994)   
A80486DXL2-80/3V - A0 CA46804 ES - AMD HEATSINK REQ'D (25253)

Nearly indentical than the standard DX2-80 CPU from AMD, this engineering sample is a low voltage version for Mobile or embedded computers. It only needs 3.0 Volt instead of 3.3 Volt for all others revisions. Built with the 25253 core, this is a rare sample