X86-Secret : ES Zone
K6 166 MHz BGA ES  (Week ??, Year 1996)   
AMD-K6 Processor CA / Z11312 ES 1005 / confidential / 1996 AMD 25704

Here is a rare sample of an AMD K6 processor with a BGA-360 connection to the motherboard. Designed for mobile and embedded applications, this K6 was rare and released in very few quantities. This sample was build somewhere in 1996 while the first K6 was only launched in 1997. Size is 25mm x 25mm