GE Fanuc IC697CPX928 Central Processing Unit ModuleDescription The GE Fanuc Series 90 70 CPU Module IC697CPX928 is designed to execute user programs downloaded into its memory. This single slot chassis module features an 80486DX4 microprocessor with a clock speed of 96 MHz and executes Boolean functions with a scan rate of 0. 4 s. It comes with 6MB of battery backed RAM and 256KB of non volatile user flash memory, where the CPU firmware is also stored. This module is compatible with GE Fanuc 90 70