Tandy  1000 SX  (250-1051)         Settings            Faxback Doc. # 1182

Note: Refer to Faxback Doc. # 1250 for Main Logic Board Layout.

Below are main logic board jumper and switch settings:

E1-E2     Selects 384K RAM (standard)
          (remove to select 640K)
E3-E4     Indicates NO coprocessor chip installed
          (remove to enable coprocessor)
E5-E6     Connects printer select signal to parallel port
          (remove to disable printer select signal)

Switch S-2:

     #1   OFF     Selects composite monochrome monitor
          ON      Selects color RGB monitor      (standard)
     #2   OFF     Disables on board interrupt 5
          ON      Enables on board interrupt 5   (standard)
     #3   OFF     Disables on board interrupt 6
          ON      Enables on board interrupt 6   (standard)
     #4   OFF     Disables on board interrupt 7
          ON      Enables on board interrupt 7   (standard)

(jej-05/11/94)