4000 LX  (250-5100)          Math Co-processor          Faxback Doc. # 1507

Contact the nearest Radio Shack Store for the most recent math co-processor 
for this computer. There is a socket on the main logic board at location U15 
for the math co-processor.  Install a jumper on E3-E4 to initialize the math
co-processor option.

*You will need to use a 20mHz Intel 80387 Math Co-processor.

*Installation is recommended, damage to chip possible if improperly installed.