12 MHz, 32 Kbyte Central Processing Unit, GE Fanuc 90-70 IC697CPU731 has 512 inputs and outputs (any mix). GE Fanuc 90-70 IC697CPU731 has up to 8K analog I/O. Also the GE Fanuc 90-70 IC697CPU731, has a 12 MHz, 80C186 microprocessor.