X86-Secret : ES Zone
Geode GX1 300 ES  (Week 29, Year 2000)   
G1-300B85-2.0 / G1 300B 85C 2.0V / VS0029129 ES

The Geode GX1 line is derivated from the famous Cyrix MediaGX. Manufactured by National Semiconductors, the Geode line was acquired by AMD in 2003. This engineering sample come with a BGA package and a clock speed of 300 MHz. It is rated for 85┬░C max and require 2.0V. The Geode GX1 300 MHz was launched in late 2000.