Memory PLUS Adapter (250-2062) Troubleshooting Faxback Doc. # 3192 If any of the following occur, remove and re-install the memory board and check for bent pins on the computer. Memory remains at 256K Computer locks at memory size 640K Floppy drive A: or B: doesn't work If you are still having problems, please contact your local Radio Shack store for assistance. (ALL-8/24/94)