TULIP COMPUTERS

TR486 (TC19)

Processor              80486DX
Processor Speed        25MHz
Chip Set               Intel
Max. Onboard DRAM      16MB
Cache                  32KB (factory installed)
BIOS                   Tulip
Dimensions             300mm x 220mm
I/O Options            Parallel port, serial ports (2), external CPU card,
                       external memory card, floppy drive interface
NPU Options            None

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External memory card      Bank 2     Power-down switch           J14

  Serial port 1               J10      Battery, speaker,           J17
                                       power LED & keylock

  Serial port 2               J11      Reset switch                J18

  Parallel port               J12      Floppy drive interface      J27

  Front panel LCD             J13      External CPU card         U1 & U2
  connector

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper          Position

  »   Factory configured - do not             J7        pins 1 & 2 closed
      alter

  »   Factory configured - do not             J9        pins 1 & 3, 2 & 4
      alter                                                  closed

  »   Monitor type select color               J16       pins 1 & 2 closed

      Monitor type select monochrome          J16       pins 2 & 3 closed

  »   Factory configured - do not             J19              N/A
      alter

  »   Floppy interface enabled                J20             Open

      Floppy interface disabled               J20            Closed

                        DRAM CONFIGURATION

      Size            Bank 0           Bank 1          Bank 2

       4MB          (4) 1M x 9          NONE        Not installed

       8MB          (4) 1M x 9       (4) 1M x 9     Not installed

      16MB          (4) 1M x 9       (4) 1M x 9       Installed

                         DRAM JUMPER CONFIGURATION

    Size           J4             J5              J6             J28

    4MB        pins 1 & 2      pins 1 & 2     pins 1 & 2      pins 1 & 2
                 closed         closed          closed         closed

    8MB        pins 2 & 3      pins 1 & 2     pins 1 & 2      pins 1 & 2
                 closed         closed          closed         closed

    16MB       pins 2 & 3      pins 2 & 3     pins 2 & 3      pins 1 & 2
                 closed         closed          closed         closed