
DATAEXPERT CORPORATION

AIO4045

Device Type       Mainboard
Processor         80486SX/CX M6/80486DX/SL80486DX/CX M7/80486DX2/

                  SL80486DX2/P24D/P24T
Processor Speed   20/25/33/40/50(internal)/66(internal)MHz
Chip Set          Unidentified
Video Chip Set    Avance Logic
Maximum Onboard   128MB
Memory
Maximum Video     Unidentified
Memory
Cache             128/256/512KB
BIOS              Award
Dimensions        330mm x 218mm
I/O Options       Ethernet 10Base5 connector, floppy drive interface,
                  green PC connector, IDE interface, parallel port, serial
                  ports (2), VGA port, riser slot

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  VGA port                   CN1       Power LED & keylock         J1

  Parallel port              CN2       Speaker                     J2

  Serial port 1              CN3       Turbo switch                J3

  Serial port 2              CN4       Turbo LED                   J4

  Ethernet 10Base5           CN5       Reset switch                J5
  connector

  IDE interface              CN6       Green PC connector         JP45

  Floppy drive               CN7       Riser slot                 SL1
  interface

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           J9           Unidentified
      alter

     Factory configured - do not           J10          Unidentified
      alter

     Factory configured - do not           JP4          Unidentified
      alter

     Factory configured - do not           JP6          Unidentified
      alter

     Factory configured - do not           JP7          Unidentified
      alter

     Factory configured - do not           JP8          Unidentified
      alter

     Factory configured - do not           JP9          Unidentified
      alter

     Factory configured - do not          JP10          Unidentified
      alter

     Factory configured - do not          JP11          Unidentified
      alter

     Factory configured - do not          JP12          Unidentified
      alter

     Factory configured - do not          JP13          Unidentified
      alter

     Factory configured - do not          JP30          Unidentified
      alter

     Factory configured - do not          JP39          Unidentified
      alter

     Factory configured - do not          JP40          Unidentified
      alter

     Factory configured - do not          JP41          Unidentified
      alter

     Factory configured - do not          JP42          Unidentified
      alter

     Factory configured - do not          JP43          Unidentified
      alter

     Factory configured - do not          JP46          Unidentified
      alter

     Factory configured - do not          JP47          Unidentified
      alter

     Factory configured - do not          JP48          Unidentified
      alter

     Factory configured - do not          JP49          Unidentified
      alter

      I/O check ready enabled              JP52             Closed

      I/O check ready disabled             JP52              Open

      IDE mode enabled                     JP53       Pins 6 & 11 closed

      IDE mode disabled                    JP53        Pins 1 & 6 closed

     Factory configured - do not          JP54          Unidentified
      alter

     Factory configured - do not          JP55          Unidentified
      alter

     Factory configured - do not          JP56          Unidentified
      alter

     IRQ9 disabled                        JP57              Open

      IRQ9 enabled                         JP57             Closed

                    USER CONFIGURABLE SETTINGS (CON'T)

               Function                    Label           Position

     Factory configured - do not          JP58          Unidentified
      alter

     Factory configured - do not          JP60          Unidentified
      alter

     CMOS memory normal operation         JP66             Closed

      CMOS memory clear                    JP65              Open

     Factory configured - do not          JP66          Unidentified
      alter

     Factory configured - do not          JP67          Unidentified
      alter

     Factory configured - do not          JP68          Unidentified
      alter

     Factory configured - do not          JP69          Unidentified
      alter

     Factory configured - do not          JP70          Unidentified
      alter

     Factory configured - do not          JP71          Unidentified
      alter

     Factory configured - do not          JP72          Unidentified
      alter

     Factory configured - do not          JP73          Unidentified
      alter

                            SIMM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

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

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

     3MB         (1) 256K x    (1) 256K x     (1) 256K x        None
                    36             36             36

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

     4MB         (1) 256K x    (1) 256K x     (1) 256K x    (1) 256K x 36
                    36             36             36

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

     6MB        (1) 1M x 36    (1) 256K x     (1) 256K x        None
                                   36             36

     7MB        (1) 1M x 36    (1) 256K x     (1) 256K x    (1) 256K x 36
                                   36             36

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

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

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

     10MB       (1) 2M x 36    (1) 256K x     (1) 256K x        None
                                   36             36

     11MB       (1) 2M x 36    (1) 256K x     (1) 256K x    (1) 256K x 36
                                   36             36

     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

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

     18MB       (1) 4M x 36    (1) 256K x     (1) 256K x        None
                                   36             36

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

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

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

                        SIMM CONFIGURATION (CON'T)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     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

     34MB        (1) 8M x 36    (1) 512K x        None           None
                                    36

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

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

     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

     80MB        (1) 8M x 36   (1) 4M x 36     (1) 4M x 36   (1) 4M x 36

     96MB        (1) 8M x 36   (1) 8M x 36     (1) 8M x 36       None

     128MB       (1) 8M x 36   (1) 8M x 36     (1) 8M x 36   (1) 8M 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          JP33            JP34           JP35           JP36

    128KB        Pins 2 & 3     Pins 2 & 3        Open           Open
                  closed          closed

    256KB        Pins 1 & 2     Pins 2 & 3        Open           Open
                  closed          closed

    512KB        Pins 1 & 2     Pins 1 & 2       Closed         Closed
                  closed          closed

                VIDEO MEMORY CONFIGURATION

  Note: The location of the video memory is unidentified.

           CPU SPEED SELECTION

  Speed      JP1        JP2       JP3

  20MHz     Closed    Closed    Closed

  25MHz      Open     Closed    Closed

  33MHz      Open      Open      Open

  40MHz      Open      Open     Closed

  50iMHz     Open     Closed    Closed

  66iMHz     Open      Open      Open

                            CPU TYPE SELECTION

        Type               JP5              JP14               JP16

       80486SX            1 & 2        3 & 5, 17 & 19,         Open
                                           16 & 18

        CX M6             2 & 3        1 & 3, 6 & 8, 16   1 & 2, 3 & 4, 8
                                        & 18, 17 & 19           & 9

       80486DX            1 & 2        3 & 5, 14 & 16,     1 & 2, 3 & 4
                                           17 & 19

      SL80486DX           1 & 2        2 & 4, 3 & 5, 14   1 & 2, 3 & 4, 7
                                        & 16, 17 & 19           & 8

        CX M7             2 & 3        1 & 3, 6 & 8, 14   1 & 2, 5 & 6, 8
                                        & 16, 17 & 19           & 9

      80486DX2            1 & 2        3 & 5, 14 & 16,     1 & 2, 3 & 4
                                           17 & 19

     SL80486DX2           1 & 2        2 & 4, 3 & 5, 14   1 & 2, 3 & 4, 7
                                        & 16, 17 & 19           & 8

        P24D               Open        2 & 4, 14 & 16,    1 & 2, 3 & 4, 7
                                           17 & 19              & 8

        P24T               Open        1 & 3, 7 & 9, 14   1 & 2, 3 & 4, 7
                                            & 16                & 8

  Note: Pins designated should be in the closed position.

                     CPU TYPE SELECTION (CON'T)

     Type         JP26          JP28          JP29          JP32

   80486SX        Open          Open          Open          Open

    CX M6         Open          Open         Closed         Open

   80486DX        Open          Open          Open         Closed

  SL80486DX       Open         Closed         Open         Closed

    CX M7         Open          Open         Closed        Closed

   80486DX2       Open          Open          Open         Closed

  SL80486DX2      Open         Closed         Open         Closed

     P24D         1 & 3        Closed        Closed        Closed

     P24T         2 & 4        Closed        Closed        Closed

  Note: Pins designated should be in the closed position.

                        CPU TYPE SELECTION (CON'T)

      Type           JP37          JP44           JP59           JP61

     80486SX         Open          Open           Open           Open

      CX M6       5 & 6, 9 &       Open          Closed         Closed
                      10

     80486DX        9 & 10        Closed          Open           Open

    SL80486DX       9 & 10        Closed         Closed          Open

      CX M7       5 & 6, 9 &      Closed         Closed         Closed
                      10

    80486DX2        9 & 10        Closed          Open           Open

   SL80486DX2       9 & 10        Closed         Closed          Open

      P24D          7 & 8         Closed          Open           Open

      P24T           Open         Closed          Open           Open

  Note: Pins designated should be in the closed position.

     CPU VOLTAGE SELECTION

  Voltage     JP17      JP31

   3.3v       Open      Open

    5v       Closed    Closed

           VL BUS SPEED SELECTION

        Speed                 JP53

       <= 33MHz         Pins 3 & 8 closed

       >33 MHz         Pins 8 & 13 closed

                  HARD DRIVE MODE SELECTION

             Mode                           JP53

               0                Pins 9 & 14, 10 & 15 closed

               1                 Pins 4 & 9, 10 & 15 closed

               2                 Pins 5 & 10, 9 & 14 closed

               3                 Pins 4 & 9, 5 & 10 closed

