
DATAEXPERT CORPORATION

EXP8049

Device     Mainboard
Type
Processor  CX486SX/80486SX/SL80486SX/80487SX/UMC U5S/ODP486/
           CX486DX/AM486DX/AM486DXL/80486DX/SL80486DX/CX486DX2/
           AM486DX2/80486DX2/SL80486DX2/AM 486DX4/80486DX4/P24D/ P24T
Processor  25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set   ALI
Video Chip None
Set
Maximum    64MB
Onboard
Memory
Maximum    None
Video
Memory
Cache      128/256/512KB
BIOS       AMI, Phoenix
Dimensions 254mm x 218mm
I/O        32-bit PCI slots (4), floppy drive interface, green PC connector,
Options    IDE interface, parallel port, PS/2 mouse interface, serial ports
           (2), wake on modem connector

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Serial port 2              CN1       Turbo LED                   J4

  Serial port 1              CN2       Turbo switch                J5

  Floppy drive interface     CN3       Power LED & keylock         J6

  Parallel port              CN4       Speaker                     J7

  IDE interface              CN5       Wake on modem              JP12
                                       connector

  External battery            J1       Green PC connector         JP13

  IDE interface LED           J2       32-bit PCI slots         PC1  PC4

  Reset switch                J3

                        USER CONFIGURABLE SETTINGS

               Function                    Label            Position

      Battery type select external           J1              Closed

      CMOS memory clear                      J1        Pins 1 & 2 closed

     Parallel port unidirectional      JP2/pins 5 &         Closed
                                             6

      Parallel port bidirectional       JP2/pins 5 &          Open
                                             6

      Monitor type select color             JP7        Pins 2 & 3 closed

      Monitor type select monochrome        JP7        Pins 1 & 2 closed

     Factory configured - do not           JP11          Unidentified
      alter

     Factory configured - do not           JP33          Unidentified
      alter

                            SIMM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2         Bank 3

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

     6MB         (1) 512K x     (1) 1M x 36      None           None
                     36

     8MB        (1) 2M x 36        None          None           None

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

     12MB       (1) 2M x 36     (1) 1M x 36      None           None

     12MB       (1) 1M x 36     (1) 1M x 36   (1) 1M x 36       None

     12MB       (1) 1M x 36     (1) 2M x 36      None           None

     16MB       (1) 4M x 36        None          None           None

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

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

     16MB       (1) 1M x 36     (1) 1M x 36   (1) 1M x 36    (1) 1M x 36

     18MB        (1) 512K x     (1) 2M x 36   (1) 2M x 36       None
                     36

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

                        SIMM CONFIGURATION (CONT)

     Size         Bank 0        Bank 1         Bank 2          Bank 3

     20MB       (1) 2M x 36   (1) 1M x 36    (1) 1M x 36     (1) 1M x 36

     20MB       (1) 1M x 36   (1) 2M x 36    (1) 2M x 36        None

     22MB       (1) 4M x 36    (1) 512K x     (1) 512K x    (1) 512K x 36
                                  36             36

     24MB       (1) 4M x 36   (1) 1M x 36    (1) 1M x 36        None

     24MB       (1) 4M x 36   (1) 2M x 36       None            None

     24MB       (1) 2M x 36   (1) 2M x 36    (1) 2M x 36        None

     28MB       (1) 4M x 36   (1) 1M x 36    (1) 1M x 36     (1) 1M x 36

     32MB       (1) 8M x 36      None           None            None

     32MB       (1) 4M x 36   (1) 2M x 36    (1) 2M x 36        None

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

     32MB       (1) 2M x 36   (1) 2M x 36    (1) 2M x 36     (1) 2M x 36

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

     40MB       (1) 8M x 36   (1) 1M x 36    (1) 1M x 36        None

     40MB       (1) 8M x 36   (1) 2M x 36       None            None

     40MB       (1) 4M x 36   (1) 2M x 36    (1) 2M x 36     (1) 2M x 36

     48MB       (1) 8M x 36   (1) 2M x 36    (1) 2M x 36        None

     48MB       (1) 8M x 36   (1) 4M x 36       None            None

     48MB       (1) 4M x 36   (1) 4M x 36    (1) 4M x 36        None

     56MB       (1) 8M x 36   (1) 2M x 36    (1) 2M x 36     (1) 2M x 36

     56MB       (1) 2M x 36   (1) 4M x 36    (1) 4M x 36     (1) 4M x 36

     64MB       (1) 8M x 36   (1) 4M x 36    (1) 4M x 36        None

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

     64MB       (1) 4M x 36   (1) 4M x 36    (1) 4M x 36     (1) 4M x 36

              CACHE CONFIGURATION

      Size          Bank 0           TAG

     128KB        (4) 32K x 8     (1) 8K x 8

     256KB        (4) 64K x 8    (1) 32K x 8

     512KB        (4) 128K x 8   (1) 32K x 8

  CACHE JUMPER CONFIGURATION

   Size      JP15      JP16

  128KB      Open      Open

  256KB     Closed     Open

  512KB     Closed    Closed

                            CPU SPEED SELECTION

       Speed               JP9             JP10               JP26

       25MHz          3 & 4, 7 & 8         2 & 3              Open

       33MHz          5 & 6, 7 & 8         2 & 3              Open

       40MHz          1 & 2, 3 & 4,        1 & 2             Closed
                          5 & 6

       50iMHz         3 & 4, 7 & 8         2 & 3              Open

       50MHz              5 & 6            1 & 2             Closed

       66iMHz         5 & 6, 7 & 8         2 & 3              Open

       75iMHz         3 & 4, 7 & 8         2 & 3              Open

      100iMHz         5 & 6, 7 & 8         2 & 3              Open

  Note: Pins designated should be in the closed position.

                         CPU TYPE SELECTION

     Type         JP17          JP18          JP20          JP21

   CX486SX        5 & 6         1 & 2         Open         Closed

   80486SX        Open          Open          Open          Open

  SL80486SX       3 & 4         Open          Open          Open

   80487SX        Open          Open          Open          Open

   UMC U5S        Open          Open          Open          Open

    ODP486        3 & 4         Open          Open          Open

   CX486DX        5 & 6         1 & 2         Open         Closed

   AM486DX        Open          Open          Open          Open

   AM486DXL       1 & 2         Open          Open          Open

   80486DX        Open          Open          Open          Open

  SL80486DX       3 & 4         Open          Open          Open

   CX486DX2       5 & 6         1 & 2         Open         Closed

   AM486DX2       Open          Open          Open          Open

   80486DX2       Open          Open          Open          Open

  SL80486DX2      3 & 4         Open          Open          Open

  AM 486DX4       Open          Open          Open          Open

   80486DX4       3 & 4         Open          Open          Open

     P24D         3 & 4         5 & 6        Closed         Open

     P24T         3 & 4         Open          Open          Open

  Note: Pins designated should be in the closed position.

                     CPU TYPE SELECTION (CONT)

     Type         JP22          JP23          JP24          JP27

   CX486SX        Open          1 & 2        5 & 6         2 & 3

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

  SL80486SX       Open          1 & 2        3 & 4          Open

   80487SX        Open          1 & 2        1 & 2         1 & 2

   UMC U5S        Open          1 & 2        1 & 2          Open

    ODP486        Open          1 & 2        3 & 4         2 & 3

   CX486DX        Open          1 & 2        5 & 6         2 & 3

   AM486DX        Open          1 & 2        1 & 2         2 & 3

   AM486DXL       Open          1 & 2        1 & 2         2 & 3

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

  SL80486DX       Open          1 & 2        3 & 4         2 & 3

   CX486DX2       Open          1 & 2        5 & 6         2 & 3

   AM486DX2       Open          1 & 2        1 & 2         2 & 3

   80486DX2       Open          1 & 2        1 & 2         2 & 3

  SL80486DX2      Open          1 & 2        3 & 4         2 & 3

  AM 486DX4       Open          1 & 2        1 & 2         2 & 3

   80486DX4       Open          1 & 2        3 & 4         2 & 3

     P24D        Closed         2 & 3        3 & 4         2 & 3

     P24T        Closed         2 & 3        3 & 4         1 & 2

  Note: Pins designated should be in the closed position.

                 CPU TYPE SELECTION (CONT)

     Type           JP28           JP29           JP30

    CX486SX         2 & 3          5 & 6         Closed

    80486SX         1 & 2          Open           Open

   SL80486SX        1 & 2          3 & 4         Closed

    80487SX         2 & 3          Open           Open

    UMC U5S         1 & 2          Open           Open

    ODP486          2 & 3          3 & 4         Closed

    CX486DX         2 & 3          5 & 6         Closed

    AM486DX         2 & 3          Open           Open

   AM486DXL         2 & 3          1 & 2          Open

    80486DX         2 & 3          Open           Open

   SL80486DX        2 & 3          3 & 4         Closed

   CX486DX2         2 & 3          5 & 6         Closed

   AM486DX2         2 & 3          Open           Open

   80486DX2         2 & 3          Open           Open

  SL80486DX2        2 & 3          3 & 4         Closed

   AM 486DX4        2 & 3          Open           Open

   80486DX4         2 & 3          3 & 4         Closed

     P24D           2 & 3          3 & 4         Closed

     P24T           2 & 3          3 & 4         Closed

  Note: Pins designated should be in the closed position.

                           CPU VOLTAGE SELECTION

         Voltage                    JP14                    JP31

            3.3v            Pins 2 & 3 closed        Pins 2 & 3 closed

              5v             Pins 1 & 2 closed        Pins 1 & 2 closed

                    DMA CHANNEL SELECTIONN

       Channel               JP2                  JP34

          1            Pins 1 & 2 closed   Pins 1 & 2 closed

          3            Pins 3 & 4 closed   Pins 3 & 4 closed

            GREEN PC SELECTION

       Setting               JP8

      Power fan       Pins 1 & 2 closed

    Monitor power     Pins 3 & 4 closed

     VGA H-sync       Pins 5 & 6 closed

     VGA v-sync       Pins 7 & 8 closed

