
TARGET MICRO

TYPHOON 486-386/ISA

Processor            80386DX/80486DLC/80486SX/80487SX/80486DX/80486DX2
Processor Speed      25/33/40/50(internal)/50/66(internal)66MHz
Chip Set             UNI
Max. Onboard DRAM    128MB
Cache                32/64/128/256KB
BIOS                 AMI
Dimensions           254mm x 218mm
I/O Options          None
NPU Options          80387

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery             J4       Turbo LED                 JP16

  Power LED & keylock          J5       Turbo switch              JP17

  Speaker                      J6       Reset switch              JP18

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Battery type select internal             J4              Open

      Battery type select external             J4             Closed

     Keyboard controller select 386          JP14           pins 1 & 2
      KBGA20                                                  closed

     Keyboard controller select 386          JP14             Open
      emulate KBGA20

      Keyboard controller select              JP14           pins 2 & 3
      emulate KBGA20                                          closed

      Keyboard controller select              JP14           pins 3 & 4
      486DX/DLC emulate KBGA20                                closed

     Monitor type select color               JP1             Closed

      Monitor type select monochrome          JP1              Open

     CMOS memory normal operation            JP2            pins 1 & 2
                                                              closed

      CMOS memory clear                       JP2            pins 2 & 3
                                                              closed

      Factory configured - do not             JP13             Open
      alter

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         NONE

      5MB         (4) 1M x 9     (4) 256K x 9

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      17MB        (4) 4M x 9     (4) 256K x 9

      20MB        (4) 4M x 9      (4) 1M x 9

      32MB        (4) 4M x 9      (4) 4M x 9

      64MB        (4) 16M x 9        NONE

      65MB        (4) 16M x 9    (4) 256K x 9

      80MB        (4) 16M x 9     (4) 4M x 9

     128MB        (4) 16M x 9    (4) 16M x 9

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

     32KB        (4) 8K x 8        NONE       (1) 8K x 8

     64KB        (4) 8K x 8     (4) 8K x 8    (1) 8K x 8

     128KB      (4) 32K x 8        NONE       (1) 8K x 8

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 16K x 4

                        CACHE JUMPER CONFIGURATION

    Size         JP6          JP7            JP9              JP11

    32KB         Open         Open           Open       pins 2 & 3 closed

    64KB         Open        Closed          Open       pins 1 & 2 closed

    128KB        Open        Closed         Closed      pins 1 & 2, 3 & 4
                                                             closed

    256KB        Open        Closed         Closed      pins 1 & 2, 4 & 5
                                                             closed

                          CPU TYPE CONFIGURATION

    Type       JP3      JP4      JP5       JP8     JP10    JP12     JP15

  80386DX      See      See      Open       See    2 & 3   2 & 3   2 & 3
              note     note                note

  CX486DLC    1 & 2     See      Open       See    2 & 3   2 & 3   2 & 3
                       note                note

  80486SX      See     Open     Closed    1 & 2,   1 & 2   1 & 2   1 & 2
              note                        3 & 4

  80487SX      See     2 & 3    Closed    1 & 2,   1 & 2   1 & 2   1 & 2
              note                        3 & 4

  80486DX      See     1 & 2    Closed    2 & 3    1 & 2   1 & 2   1 & 2
              note

  80486DX2     See     1 & 2    Closed    2 & 3    1 & 2   1 & 2   1 & 2
              note

  Note:Speed select for 386DX is JP3 pins 1 & 2 closed = 33/40MHz, pins 2
  & 3 closed = 25MHz.

  Pins designated should be in the closed position.

  CPU OSCILLATOR CONFIGURATION

      Type             OSC

   80386DX-25         50MHz

   80386DX-33         66MHz

   80386DX-40         80MHz

  CX486DLC-33         66MHz

  CX486DLC-40         80MHz

   80486SX-20         20MHz

   80486SX-25         25MHz

   80487SX-20         20MHz

   80487SX-25         25MHz

   80486DX-25         25MHz

   80486DX-33         33MHz

   80486DX-50         50MHz

  80486DX2-50         25MHz

  80486DX2-66         33MHz

