
AAEON TECHNOLOGY, INC.

SBC-400

Device     Single board computer
Type
Processor  80486SX/SL80486SX/80486DX/SL80486DX/CX486DX2/SGS486DX2/TI486DX2/
           IBM486DX2/AM486DX2/80486DX2/SL80486DX2/AM486DX4/(SL)AM486DX4/
           SL80486DX4/P24D/CX MISC/CX 5X86/ IBM 5X86/SGS 5X86/AM X5
Processor  25/33/40/50/50(internal)/66(internal)75(internal)/100(internal)/
Speed
           120(internal)/133(internal)/160(internal)MHz
Chip Set   ALI 1489
Maximum    128MB (EDO supported)
Onboard
Memory
Cache      128/256/512KB
BIOS       AMI
Dimensions 185mm x 122mm
I/O        Floppy drive interface, IDE interface, parallel port, PS/2 mouse
Options    port, serial ports (2), PC/104 connectors (2)

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  Serial port 1              C1        Auxiliary keyboard         CN7
                                       connector

  Serial port 2              C2        PS/2 mouse port            J1

  IDE interface              CN1       Power LED & keylock       JP12

  Floppy drive               CN2       Speaker                   JP13
  interface

  Parallel port              CN3       Reset switch              JP14

  Power connector            CN4       Turbo LED                 JP15

  PC/104 connector           CN5       Turbo switch              JP17

  PC/104 connector           CN6

  Note: The location of JP14, JP15, JP17 is unidentified.

                        USER CONFIGURABLE SETTINGS

                Function                     Label          Position

      Watchdog timer select reset            JP38           Pins 1 & 2
                                                             closed

      Watchdog timer select IRQ15            JP38           Pins 2 & 3
                                                             closed

                SIMM CONFIGURATION

      Size            Bank 0           Bank 1

       1MB        (1) 256K x 36         None

       2MB        (1) 512K x 36         None

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

       3MB        (1) 512K x 36    (1) 256K x 36

       4MB         (1) 1M x 36          None

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

       5MB         (1) 1M x 36     (1) 256K x 36

       6MB         (1) 1M x 36     (1) 512K x 36

       8MB         (1) 2M x 36          None

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

       9MB         (1) 2M x 36     (1) 256K x 36

      10MB         (1) 2M x 36     (1) 512K x 36

      12MB         (1) 2M x 36      (1) 1M x 36

      16MB         (1) 4M x 36          None

      16MB         (1) 2M x 36      (1) 2M x 36

      17MB         (1) 4M x 36     (1) 256K x 36

      18MB         (1) 4M x 36     (1) 512K x 36

      20MB         (1) 4M x 36      (1) 1M x 36

      24MB         (1) 4M x 36      (1) 2M x 36

      32MB         (1) 8M x 36          None

      32MB         (1) 4M x 36      (1) 4M x 36

      33MB         (1) 8M x 36     (1) 256K x 36

      34MB         (1) 8M x 36     (1) 512K x 36

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

      40MB         (1) 8M x 36      (1) 2M x 36

      48MB         (1) 8M x 36      (1) 4M x 36

      64MB         (1) 8M x 36      (1) 8M x 36

      64MB         (1) 16M x 36         None

      65MB         (1) 16M x 36    (1) 256K x 36

      66MB         (1) 16M x 36    (1) 512K x 36

      68MB         (1) 16M x 36     (1) 1M x 36

      72MB         (1) 16M x 36     (1) 2M x 36

      80MB         (1) 16M x 36     (1) 4M x 36

      96MB         (1) 16M x 36     (1) 8M x 36

      128MB        (1) 16M x 36     (1) 16M x 36

  Note: Board accepts EDO memory.

              CACHE CONFIGURATION

      Size          Bank 0           TAG

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

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

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

               CACHE JUMPER CONFIGURATION

            Size                        JP1

           128KB                       Open

           256KB                 Pins 1 & 2 closed

           512KB             Pins 1 & 2, 3 & 4 closed

                            CPU SPEED SELECTION

          Speed                    JP7                      JP8

          25MHz             Pins 1 & 2 closed               Open

          33MHz             Pins 2 & 3 closed         Pins 3 & 4, 5 & 6
                                                           closed

          40MHz             Pins 2 & 3 closed         Pins 1 & 2, 5 & 6
                                                           closed

          50MHz             Pins 1 & 2 closed         Pins 1 & 2, 3 & 4
                                                           closed

         50iMHz             Pins 1 & 2 closed               Open

         66iMHz             Pins 2 & 3 closed         Pins 3 & 4, 5 & 6
                                                           closed

         75iMHz             Pins 1 & 2 closed               Open

         100iMHz            Pins 2 & 3 closed         Pins 3 & 4, 5 & 6
                                                           closed

         120iMHz            Pins 2 & 3 closed         Pins 1 & 2, 5 & 6
                                                           closed

         133iMHz            Pins 2 & 3 closed         Pins 3 & 4, 5 & 6
                                                           closed

         150iMHz            Pins 1 & 2 closed               Open

         160iMHz            Pins 2 & 3 closed         Pins 1 & 2, 5 & 6
                                                           closed

                            CPU TYPE SELECTION

            Type                                 JP2

          80486SX                  1 & 2, 19 & 20, 23 & 24, 25 & 26

         SL80486SX            1 & 4, 2 & 5, 8 & 9, 14 & 17, 19 & 20, 23 &
                                             24, 25 & 26

          80486DX             1 & 2, 18 & 21, 19 & 20, 22 & 23, 25 & 26

         SL80486DX            1 & 4, 2 & 5, 8 & 9, 14 & 17, 18 & 21, 19 &
                                         20, 22 & 23, 25 & 26

          CX486DX2            1 & 4, 2 & 3, 5 & 8, 7 & 10, 11 & 14, 18 &
                                         21, 22 & 23, 25 & 26

         SGS486DX2            1 & 4, 2 & 3, 5 & 8, 7 & 10, 11 & 14, 18 &
                                         21, 22 & 23, 25 & 26

          TI486DX2            1 & 4, 2 & 3, 5 & 8, 7 & 10, 11 & 14, 18 &
                                         21, 22 & 23, 25 & 26

         IBM486DX2            1 & 4, 2 & 3, 5 & 8, 7 & 10, 11 & 14, 18 &
                                         21, 22 & 23, 25 & 26

         AM 486DX2            1 & 4, 2 & 5, 8 & 9, 10 & 11, 13, & 16, 14
                               & 17, 18 & 21, 19 & 20, 22 & 23, 26 & 27

          80486DX2            1 & 2, 18 & 21, 19 & 20, 22 & 23, 25 & 26

         SL80486DX2           1 & 4, 2 & 5, 8 & 9, 14 & 17, 18 & 21, 19 &
                                         20, 22 & 23, 25 & 26

          AM486DX4            1 & 2, 3 & 6, 13 & 16, 18 & 21, 19 & 20, 22
                                            & 23, 25 & 26

        (SL)AM486DX4          1 & 4, 2 & 5, 8 & 9, 10 & 11, 14 & 17, 18 &
                                    21, 19 & 20, 22 & 23, 26 & 27

         SL80486DX4           1 & 4, 2 & 5, 8 & 9, 14 & 17, 18 & 21, 19 &
                                         20, 22 & 23, 25 & 26

            P24D              1 & 4, 2 & 5, 8 & 9, 10 & 11, 14 & 17, 18 &
                                    21, 19 & 20, 22 & 23, 26 & 27

          CX MISC             1 & 4, 2 & 5, 8 & 9, 10 & 11, 14 & 17, 18 &
                                    21, 19 & 20, 22 & 23, 26 & 27

          CX 5X86             1 & 4, 2 & 5, 8 & 9, 10 & 11, 14 & 17, 18 &
                                    21, 19 & 20, 22 & 23, 25 & 26

          IBM 5X86            1 & 4, 2 & 5, 8 & 9, 10 & 11, 14 & 17, 18 &
                                    21, 19 & 20, 22 & 23, 25 & 26

          SGS 5X86            1 & 4, 2 & 5, 8 & 9, 10 & 11, 14 & 17, 18 &
                                    21, 19 & 20, 22 & 23, 25 & 26

       AM X5-133/150          1 & 4, 2 & 5, 8 & 9, 10 & 11, 13, & 16, 14
                               & 17, 18 & 21, 19 & 20, 22 & 23, 26 & 27

         AM X5-160            1 & 2, 18 & 21, 19 & 20, 22 & 23, 25 & 26

  Note: Pins designated should be in the closed position.

                           CPU VOLTAGE SELECTION

         Voltage                   JP5                      JP6

          3.3v               Pins 1 & 3, 2 & 4       Pins 2 & 4 closed
                                  closed

          3.45v              Pins 1 & 3, 2 & 4       Pins 3 & 5 closed
                                  closed

          3.6v               Pins 1 & 3, 2 & 4       Pins 4 & 6 closed
                                  closed

           4v                Pins 3 & 5, 4 & 6              Open
                                  closed

           5v                Pins 1 & 3, 2 & 4       Pins 1 & 3 closed
                                  closed

                           DMA CHANNEL SELECTION

         Channel                   JP10                     JP11

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

            3                Pins 3 & 5, 4 & 6        Pins 3 & 5, 4 & 6
                                  closed                   closed

  Note: The location of JP11 is unidentified.

                      SERIAL PORT INTERRUPT SELECTION

     Serial port 1            Serial port 2                 JP9

          IRQ3                    IRQ4               Pins 1 & 2, 3 & 4
                                                          closed

          IRQ4                    IRQ3               Pins 1 & 3, 2 & 4
                                                          closed

         IRQ11                    IRQ12              Pins 5 & 7, 6 & 8
                                                          closed

         IRQ12                    IRQ11              Pins 5 & 6, 7 & 8
                                                          closed

  Note: Pins designated should be in the closed position.

                          SERIAL PORT 2 SELECTION

    Setting                         JP23                         JP39

     RS-232                         Open                        Closed

     RS-422       Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10,       Open
                               11 & 12 closed

     RS-485        Pins 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11 &        Open
                        12, 13 & 14, 15 & 16 closed

