A20B-3900-0042

A20B-3900-0042 ¦ 4MB DRAM module

Fanuc A20B-3900-0042 memory module. CNC stock this 4MB DRAM pcb for a variety of different 16i, 18i, or 21i. This dynamic random access module plugin is a small modular device which plugs into the main master pcb. Usually accompanied with other boards including the CPU, Graphics driver and FSSB servo controller and other memory cards such as SRAM and FROM smds.

Currently CNC only supplies this DRAM PCB for outright sale. We offer no other services, except for testing your control system; if this processor is found suspect. If repair, then we require the entire CNC with all boards plugged in and full system backup.

A20B-3900-0042 is supplied with a 12 month warranty.