URI: 
  TEXT View Source
       
       # TANDY/RADIO SHACK
       
          TANDY 3000
       
          Processor         80286                                        
          Processor Speed   8MHz                                         
          Chip Set          C & T                                        
          Max. onboard DRAM 1MB                                          
          Cache             None                                         
          BIOS              Phoenix                                      
          Dimensions        325mm x 308mm                                
          I/O Options       None                                         
          NPU Options       80287                                        
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              |   JUMPER   | Position |
          |------------------------------------+------------+----------|
          | » | Monitor type select color      |  E3 & E4   |  Closed  |
          |---+--------------------------------+------------+----------|
          |   | Monitor type select monochrome |  E2 & E3   |  Closed  |
          |---+--------------------------------+------------+----------|
          | » | Base Memory select 512KB       | E13 & E14  |   Open   |
          |---+--------------------------------+------------+----------|
          |   | Base Memory select 640KB       | E13 & E14  |  Closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |      512KB       |     (18) 41256     |        NONE        |
          |------------------+--------------------+--------------------|
          |      640KB       |     (18) 41256     |     (18) 4164      |
          |------------------+--------------------+--------------------|
          |       1MB        |     (18) 41256     |     (18) 41256     |
          |------------------------------------------------------------|
          | Note:Bank 0 is soldered on the main board.                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     BIOS CONFIGURATION                     |
          |------------------------------------------------------------|
          |            Size            |           E5 - E12            |
          |----------------------------+-------------------------------|
          |           27128            | E5 & E9, and E7 & E11 closed  |
          |----------------------------+-------------------------------|
          |           27256            | E6 & E10, and E8 & E12 closed |
          +------------------------------------------------------------+