X86-Secret : ES Zone
i486 SX 33 Sample  (Week 46, Year 1995)   
FA80486SX33 - L5463923A - SF - INTEL '89'94

A very few is known on this strange sample of the 486 SX 33. It seems to be a strange sample produced by Intel for a special purpose. The marking where the S-Spec or Q-Sped should be only had "SF" written...