
DATAEXPERT CORPORATION

EXP4349

Device Type         Mainboard
Processor           80386DX/AM386DX/CX486S/80486SX/CX486DLC/TI486DLC/

                    CX486DX/SL80486DX/80486DX/SL80486DX2/P24T
Processor Speed     25/33/40/50(internal)/50/66(internal)/100(internal)MHz
Chip Set            Unidentified
Maximum Onboard     64MB
Memory
Cache               64/128/256/512KB
BIOS                Award, Phoenix
Dimensions          254mm x 218mm
I/O Options         32-bit VESA local bus slots (3), green PC connector

[Image]

                                CONNECTIONS

  Purpose                 Location    Purpose                   Location

  Power LED & keylock        J1       Turbo switch                 J5

  Speaker                    J2       External battery             J6

  Reset switch               J3       Green PC connector          JP36

  Turbo LED                  J4       32-bit VESA local bus    SL1  SL3
                                      slots

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      Monitor type select color               JP40            Closed

      Monitor type select monochrome          JP40             Open

      Battery type select lithium             JP45          Pins 2 & 3
                                                              closed

      Battery type select Ni-CD               JP45          Pins 1 & 2
                                                              closed

                        SIMM CONFIGURATION

      Size            Bank 0           Bank 1          Bank 2

       2MB         (4) 256K x 9         None        (1) 256K x 36

       2MB             None        (1) 256K x 36    (1) 256K x 36

       2MB             None        (1) 512K x 36        None

       2MB             None        (1) 512K x 36        None

       4MB          (4) 1M x 9          None            None

       4MB             None         (1) 1M x 36         None

       4MB          (4) 1M x 9          None            None

       4MB             None        (1) 512K x 36    (1) 512K x 36

       5MB         (4) 256K x 9         None         (1) 1M x 36

       5MB             None        (1) 256K x 36     (1) 1M x 36

       8MB          (4) 1M x 9          None         (1) 1M x 36

       8MB             None         (1) 1M x 36      (1) 1M x 36

       8MB             None         (1) 2M x 36         None

       8MB             None         (1) 2M x 36         None

      10MB             None        (1) 512K x 36     (1) 2M x 36

      16MB          (4) 4M x 9          None            None

      16MB             None             None         (1) 4M x 36

      16MB          (4) 4M x 9          None            None

      16MB             None         (1) 2M x 36      (1) 2M x 36

      17MB         (4) 256K x 9         None         (1) 4M x 36

                    SIMM CONFIGURATION (CONT)

      Size            Bank 0           Bank 1          Bank 2

      17MB             None        (1) 256K x 36     (1) 4M x 36

      20MB          (4) 1M x 9          None         (1) 4M x 36

      20MB             None         (1) 1M x 36      (1) 4M x 36

      32MB          (4) 4M x 9          None         (1) 4M x 36

      32MB             None         (1) 4M x 36      (1) 4M x 36

      32MB             None         (1) 8M x 36         None

      64MB         (4) 16M x 9          None            None

      64MB             None         (1) 8M x 36      (1) 8M x 36

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

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

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

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

   256KB (B)    (4) 64K x 8        None       (1) 32K x 8

     512KB      (4) 64K x 8    (4) 64K x 8    (1) 32K x 8

                        CACHE JUMPER CONFIGURATION

         Size                     JP22                     JP33

         64KB              Pins 5 & 6 closed         Pins 1 & 2 closed

         128KB           Pins 2 & 3, 4 & 5, 6 &      Pins 1 & 2, 3 & 4
                                7 closed                  closed

       256KB (A)         Pins 1 & 2, 3 & 4, 5 &      Pins 1 & 2, 3 & 4
                                6 closed                  closed

       256KB (B)         Pins 2 & 3, 4 & 5, 6 &      Pins 1 & 2, 3 & 4
                                7 closed                  closed

         512KB           Pins 2 & 3, 4 & 5, 6 &    Pins 1 & 2, 3 & 4, 5 &
                                7 closed                 6 closed

                            CPU SPEED SELECTION

       Speed              JP23              JP38              JP39

       25MHz           Pins 2 & 3        Pins 2 & 3      Pins 1 & 2, 5 &
                         closed            closed           6 closed

       33MHz           Pins 1 & 2        Pins 2 & 3      Pins 1 & 2, 3 &
                         closed            closed           4 closed

    40MHz (386)        Pins 1 & 2        Pins 2 & 3         Pins 5 & 6
                         closed            closed            closed

    40MHz (486)        Pins 1 & 2        Pins 1 & 2      Pins 3 & 4, 5 &
                         closed            closed           6 closed

      50iMHz           Pins 2 & 3        Pins 2 & 3      Pins 1 & 2, 5 &
                         closed            closed           6 closed

       50MHz           Pins 1 & 2        Pins 1 & 2      Pins 1 & 2, 5 &
                         closed            closed           6 closed

      66iMHz           Pins 1 & 2        Pins 2 & 3      Pins 1 & 2, 3 &
                         closed            closed           4 closed

      66iMHz           Pins 2 & 3        Pins 2 & 3         Pins 5 & 6
                         closed            closed            closed

      100iMHz          Pins 1 & 2        Pins 2 & 3      Pins 1 & 2, 3 &
                         closed            closed           4 closed

                         CPU TYPE SELECTION

     Type          JP5           JP7          JP10          JP11

   80386DX        1 & 2         2 & 3         Open          Open

   AM386DX        1 & 2         2 & 3         Open          Open

    CX486S        2 & 3         1 & 2        2 & 4         2 & 3

   80486SX        2 & 3         1 & 2         Open          Open

   CX486DLC       1 & 2         2 & 3         Open          Open

   TI486DLC       1 & 2         2 & 3         Open          Open

   CX486DX        2 & 3         1 & 2        2 & 4         2 & 3

  SL80486DX       2 & 3         1 & 2        4 & 5         1 & 2

   80486DX        2 & 3         1 & 2         Open          Open

  SL80486DX2      2 & 3         1 & 2        4 & 5         1 & 2

     P24T         2 & 3         1 & 2        4 & 5         1 & 2

  Note: Pins designated should be in the closed position.

                        CPU TYPE SELECTION (CONT)

     Type         JP12        JP13        JP14        JP15        JP16

   80386DX       2 & 3        Open       2 & 3        Open        Open

   AM386DX       2 & 3        Open       2 & 3        Open        Open

    CX486S       1 & 2       2 & 3       1 & 2        2 & 4      Closed

   80486SX       1 & 2       2 & 3       1 & 2        Open        Open

   CX486DLC      2 & 3        Open       2 & 3        Open        Open

   TI486DLC      2 & 3        Open       2 & 3        Open        Open

   CX486DX       1 & 2       2 & 3       1 & 2        2 & 4      Closed

  SL80486DX      1 & 2       2 & 3       1 & 2        2 & 3       Open

   80486DX       1 & 2       2 & 3       1 & 2        Open        Open

  SL80486DX2     1 & 2       2 & 3       1 & 2        2 & 3       Open

     P24T        1 & 2       1 & 2       1 & 2        2 & 3       Open

  Note: Pins designated should be in the closed position.

                        CPU TYPE SELECTION (CONT)

     Type         JP17         JP18        JP19       JP20        JP21

   80386DX        Open         Open        Open       Open        Open

   AM386DX        Open         Open        Open       Open        Open

    CX486S        Open         Open       1 & 2       Open        Open

   80486SX       Closed        Open       1 & 2       Open        Open

   CX486DLC       Open         Open        Open       Open        Open

   TI486DLC       Open         Open        Open       Open        Open

   CX486DX        Open        2 & 3       2 & 3       Open       Closed

  SL80486DX      Closed       2 & 3       2 & 3       Open       Closed

   80486DX       Closed       2 & 3       2 & 3       Open       Closed

  SL80486DX2     Closed       2 & 3       2 & 3       Open       Closed

     P24T        Closed       1 & 2       2 & 3       Open       Closed

  Note: Pins designated should be in the closed position.

                        CPU TYPE SELECTION (CONT)

     Type         JP24        JP25        JP26        JP27        JP29

   80386DX       2 & 3       2 & 3       2 & 3        2 & 3      Closed

   AM386DX       2 & 3       2 & 3       2 & 3        2 & 3      Closed

    CX486S       1 & 2       1 & 2       1 & 2        1 & 2      Closed

   80486SX       1 & 2       1 & 2       1 & 2        2 & 3       Open

   CX486DLC      2 & 3       2 & 3       2 & 3        2 & 3      Closed

   TI486DLC      2 & 3       2 & 3       2 & 3        2 & 3      Closed

   CX486DX       1 & 2       1 & 2       1 & 2        1 & 2       Open

  SL80486DX      1 & 2       1 & 2       1 & 2        1 & 2       Open

   80486DX       1 & 2       1 & 2       1 & 2        2 & 3       Open

  SL80486DX2     1 & 2       1 & 2       1 & 2        1 & 2       Open

     P24T        1 & 2       1 & 2       1 & 2        2 & 3       Open

  Note: Pins designated should be in the closed position.

                     CPU TYPE SELECTION (CONT)

     Type         JP30          JP31          JP46          JP47

   80386DX       Closed         Open          Open          Open

   AM386DX       Closed         Open          Open          Open

    CX486S        Open         Closed        Closed         Open

   80486SX        Open          Open          Open         1 & 2

   CX486DLC      Closed        Closed         Open          Open

   TI486DLC      Closed        Closed         Open          Open

   CX486DX        Open         Closed        Closed         Open

  SL80486DX       Open          Open          Open         1 & 2

   80486DX        Open          Open          Open         1 & 2

  SL80486DX2      Open          Open          Open         1 & 2

     P24T        Closed         Open          Open         1 & 2

  Note: Pins designated should be in the closed position.

                 CPU TYPE SELECTION (CONT)

     Type           JP48           JP49           JP53

    80386DX         Open          Closed          1 & 2

    AM386DX         Open          Closed          1 & 2

    CX486S          1 & 2          Open           2 & 3

    80486SX         1 & 2          Open           2 & 3

   CX486DLC         Open          Closed          2 & 3

   TI486DLC         Open          Closed          2 & 3

    CX486DX         1 & 2          Open           2 & 3

   SL80486DX        1 & 2          Open           2 & 3

    80486DX         1 & 2          Open           2 & 3

  SL80486DX2        1 & 2          Open           2 & 3

     P24T           1 & 2          Open           2 & 3

  Note: Pins designated should be in the closed position.

                           CPU VOLTAGE SELECTION

      Voltage             JP50              JP51               JP52

       3.3v             Pins 1 & 2          Open              Closed
                         closed

        5v              Pins 2 & 3         Closed              Open
                         closed

