1200 2FD (250-3001) Settings Faxback Doc. # 1972 Note: Refer to Faxback Doc. # 1259 for Main Logic Board Layout. Switch S-1: #1 OFF Allows booting from floppy drive "A" (always OFF) #2 OFF Indicates coprocessor is installed ON Indicates coprocessor is NOT installed (standard) #3 OFF Selects 256K RAM on board (always OFF) #4 OFF Selects 256K RAM on board (always OFF) #5 #6 Monitor OFF OFF Monochrome monitor or more than one monitor OFF ON Color monitor 40 X 25 mode ON OFF Color monitor 80 X 25 mode #7 ON Indicates one floppy and one hard drive (always ON) #8 ON Must be set to ON at all times Note:Switch S-2 Determines the amount of RAM installed in the expansion slots. Positions 6-8 are not used. RAM #1 #2 #3 #4 #5 None OFF OFF OFF OFF OFF 64K OFF ON ON ON ON 128K ON OFF ON ON ON 192K OFF OFF ON ON ON 256K ON ON OFF ON ON 320K OFF ON OFF ON ON 384K ON OFF OFF ON ON These are user selectable switch options. (jej-05/11/94)