
TANDY/RADIO SHACK

3000HD (DISCRETE VERSION)

Processor              80286
Processor Speed        8MHz
Chip Set               C & T
Video Chip Set         None
Maximum Onboard Memory 640KB
Maximum Video Memory   None
Cache                  None
BIOS                   Unidentified
Dimensions             462mm x 458mm
I/O Options            None
NPU Options            80287

[Image]

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     Monitor type select monochrome           J1           Pins 1 & 2
                                                              closed

      Monitor type select color                J1           Pins 2 & 3
                                                              closed

                   DRAM CONFIGURATION

       Size             Bank 0             Bank 1

      512KB           (18) 41256            None

      640KB           (18) 41256         (18) 4164

  Note: The location of banks 0 & 1 are unidentified.

  DRAM JUMPER CONFIGURATION

     Size            J2

     512KB          Open

     640KB         Closed

                              BIOS SELECTION

     Type            J3             J4            J5              J6

     27128         Closed         Closed         Open            Open

   27256 (not       Open           Open         Closed          Closed
     used)

