
DATAEXPERT CORPORATION

ALI-1429G(EXP4049)

Processor        CXM6/80486SXSL/80486SX/80487SX/CXM7/AMD486DX/AMD486DXL

                 80486DX/AMD486DX2/80486DX2SL/80486DX2/Pentium Overdrive
Processor Speed  20/25/33/40/50(internal)/66(internal)MHz
Chip Set         ALI
Max. Onboard DRAM80MB
Cache            32/64/128/256/512KB
BIOS             AMI
Dimensions       230mm x 218mm
I/O Options      32-bit VESA local bus slots (3)
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                Location

  Power LED & keylock         J1        Turbo LED                 J4

  Speaker                     J2        Turbo switch              J5

  Reset switch                J3        32-bit VESA Local     SL 1, 2, 3
                                        bus slots

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch        Position

     CMOS normal operation                  J6              pins 2 & 3
                                                              closed

      CMOS memory clear                      J6              pins 1 & 2
                                                              closed

     Factory configured - do not            JP3             pins 1 & 2
      alter                                                   closed

     Factory configured - do not            JP4             pins 1 & 2
      alter                                                   closed

     CPU installed other than              JP11               Open
      INTEL-S CPU

      INTEL-S CPU installed                 JP11              Closed

     486 PQFP CPU disabled                 JP16              Closed

      486 PQFP CPU enabled                  JP16               Open

      Green control connector               JP20             pins 1 & 3
      standby mode                                            closed

      Green control connector               JP20             pins 5 & 7
      suspend mode                                            closed

     Factory configured - do not           JP23                N/A
      alter

     Monitor type select color             JP29               Open

      Monitor type select                   JP29              Closed
      monochrome

     Modem ring connector                  JP32               Open
      disabled

      Modem ring connector enabled          JP32             pins 1 & 2
                                                              closed

     Green wake-up connector               JP33               Open
      disabled

      Green wake-up connector               JP33             pins 1 & 2
      enabled                                                 closed

     Lithium battery enabled               JP41             pins 2 & 3
                                                              closed

      Ni-Cad battery enabled                JP41             pins 1 & 2
                                                              closed

     VESA bus cycle with 1 wait            JP42             pins 2 & 3
      state                                                   closed

      VESA bus cycle with 0 wait            JP42             pins 1 & 2
      state                                                   closed

     Control green VGA H-sync              JP43              Closed
      connector enabled (U31
      removed)

      Control green VGA H-sync              JP43               Open
      connector disabled

     Factory configured - do not           JP44               Open
      alter

     Control green VGA V-sync              JP45              Closed
      connector enabled (U31
      removed)

      Control green VGA V-sync              JP45               Open
      connector disabled

     Factory configured - do not           JP46             pins 1 & 2
      alter                                                   closed

     Use 74F244 TTL                        JP47             pins 2 & 3
                                                              closed

      Use 74F245 TTL                        JP47             pins 1 & 2
                                                              closed

                        DRAM CONFIGURATION

      Size            Bank 0          Bank 0/1         Bank 1

       1MB         (4) 256K x 9         NONE            NONE

       1MB             NONE        (1) 256K x 36        NONE

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

       4MB          (4) 1M x 9          NONE            NONE

       4MB             NONE         (1) 1M x 36         NONE

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

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

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

      16MB          (4) 4M x 9          NONE            NONE

      16MB             NONE         (1) 4M x 36         NONE

                    DRAM CONFIGURATION

     Size          Bank 0        Bank 0/1       Bank 1

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

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

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

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

     64MB       (4) 16M x 9        NONE          NONE

     68MB       (4) 16M x 9        NONE       (1) 1M x 36

     80MB       (4) 16M x 9        NONE       (1) 4M x 36

                            CACHE CONFIGURATION

         Size               Bank 0           Bank 1            TAG

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

           64KB           (4) 16K 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) 64K x 8         NONE         (1) 16K x 8

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

           512KB         (4) 128K x 8         NONE         (1) 32K x 8

                            CACHE CONFIGURATION

           Size                     JP17                    JP22

             32KB             pins 6 & 7 closed             Open

             64KB             pins 4 & 5, 6 & 7       pins 1 & 2 closed

             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           pins 2 & 3, 4 & 5, 6     pins 1 & 2, 3 & 4
                                 & 7 closed                closed

            256KB           pins 1 & 2, 3 & 4, 5     pins 1 & 2, 3 & 4
                                 & 6 closed                closed

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

                          CPU TYPE CONFIGURATION

     Type         JP5          JP6         JP7         JP8         JP9

     CXM6        Open        Closed      pins 2 &    pins 2 &     Open
                                            3           4

  80486SXSL      Open         Open       pins 1 &    pins 1 &    Closed
                                            2           2

   80486SX       Open         Open       pins 2 &     Open       Closed
                                            3

   80487SX      pins 1 &      Open       pins 2 &     Open       Closed
                   2                        3

     CXM7       pins 2 &     Closed      pins 2 &    pins 2 &     Open
                   3                        3           4

   AMD DXL      pins 2 &      Open       pins 2 &    pins 2 &    Closed
                   3                        3           3

   80486DX      pins 2 &      Open       pins 2 &     Open       Closed
                   3                        3

  80486DX2SL    pins 2 &      Open       pins 1 &    pins 1 &    Closed
                   3                        2           2

     P24T       pins 1 &      Open       pins 1 &    pins 1 &    Closed
                   2                        2           2

                    CPU TYPE CONFIGURATION (CONTINUED)

      Type         JP10        JP14        JP15         JP18       JP34

      CXM6        pins 2 &    pins 1       Open       pins 2 &   pins 1 &
                     4          &2                       3          2

   80486SXSL      pins 2 &   pins 1 &     Closed      pins 2 &   pins 2 &
                     3          2                        3          3

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

    80487SX        Open      pins 2 &     Closed      pins 2 &     Open
                                3                        3

      CXM7        pins 2 &   pins 2 &     Closed      pins 2 &   pins 1 &
                     4          3                        3          2

    AMD DXL       pins 1 &   pins 2 &     Closed      pins 2 &     Open
                     2          3                        3

    80486DX        Open      pins 2 &     Closed      pins 2 &     Open
                                3                        3

   80486DX2SL     pins 2 &   pins 2 &     Closed      pins 2 &   pins 2 &
                     3          3                        3          3

      P24T        pins 2 &   pins 2 &     Closed      pins 1 &   pins 2 &
                     3          3                        2          3

      CPU TYPE CONFIGURATION (CONTINUED)

    Type       JP25        JP26        JP27

    CXM6      Closed       Open       Closed

  80486DLC    Closed      Closed      Closed

    CXM7       Open        Open       Closed

  80486DX     Closed       Open        Open

    P24T       Open       Closed       Open

                          CPU SPEED CONFIGURATION

         Speed                JP28             JP13             JP39

           20MHz           pins 1 & 2       pins 1 & 2      pins 3 & 4, 5
                                                                & 6

           25MHz           pins 1 &2        pins 1 & 2      pins 1 & 2, 5
                                                                & 6

          33MHz           pins 1 & 2       pins 1 & 2      pins 1 & 2, 5
                                                                & 6

           40MHz           pins 1 & 2       pins 1 & 2       pins 5 & 6

           50iMHz          pins 2 & 3       pins 2 & 3      pins 1 & 2, 5
                                                                & 6

           66iMHz          pins 1 & 2       pins 1 & 2      pins 1 & 2, 5
                                                                & 6

            VESA WAIT STATE/BUS SPEED (ID2 & ID3) CONFIGURATION

    CPU speed        Wait states         JP1 (ID2)          JP2 (ID3)

     < 33MHz        0 wait states        pins 1 & 2         pins 1 & 2
                                          closed             closed

     > 33MHz         1 wait state        pins 2 & 3         pins 2 & 3
                                          closed             closed

               MISCELLANEOUS TECHNICAL NOTE

  Note:Pins designated should be in the closed position.

