DS215UDSAG1AZZ01A is a UDSAG1 Circuit Board and Firmware under Mark V series. One 80196 microprocessor and many erasable programmable read-only memory (EPROM) modules are included in the board. There are additionally 21 4-character displays and 32 LEDs on the GE EX2000 Firmware Board DS215UDSAG1AZZ01A.