Rockwell Automation 1771-DBMEM1,1771-DBMEM2 INSTL.INST EEPROM MEMORY MOD. - Manual (Page 3)

Installation Instructions
EEPROM Memory Module
3
JW2
JW3
5. Set jumper JW2 (select PROM circuitry) to :
6. For optimum BASIC module performance, set jumper JW3, CPU
Speed Select Jumper, to:
7. Replace the BASIC module into the I/O chassis.