
AMPTRON INTERNATIONAL, INC.

DX-9300A (VER 1.1)

Processor  80486SX/SL80486SX/CX486DX/IBM486DX/TI486DX/AM486DX/
           80486DX/SL80486DX/CX486DX2/IBM486DX2/TI486DX2/AM486DX2/(SL)AM486DX2/80486DX2/SL80486DX2/AM486DX4/(SL)AM486DX2/SL80486DX4/P24D/P24T/CXM1-SC
Processor  25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)/120(internal)MHz
Speed
Chip Set   Unidentified
Video Chip None
Set
Maximum    256MB (EDO supported)
Onboard
Memory
Maximum    None
Video
Memory
Cache      128/256/512/1024KB
BIOS       AMI
Dimensions 254mm x 218mm
I/O        32-bit PCI slots (3), floppy drive interface, game interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2)
Options
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  Parallel port              J2        Green PC connector        JP17

  Game interface             J3        Turbo LED                 JP19

  Serial port 1              J9        IDE interface LED 1       JP20

  Serial port 2              J13       IDE interface LED 2       JP21

  Floppy drive               J14       Power LED & keylock       JP22
  interface

  IDE interface 2            J15       Speaker                   JP23

  IDE interface 1            J16       Turbo switch              JP24

  Green PC connector         JP1       Reset switch              JP25
  (monitor)

  External battery           JP2       32-bit PCI slots        PC1 - PC3

  Chassis fan power         JP10

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      Flash BIOS voltage select 12v           JP5           Pins 1 & 2
                                                              closed

      Flash BIOS voltage select 5v            JP5           Pins 2 & 3
                                                              closed

     Factory configured - do not alter       JP16             Open

                            DRAM 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

     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

     19MB      (1) 4M x 36     (1) 256K x     (1) 256K x    (1) 256K x 36
                                   36             36

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

                        DRAM 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

     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

     33MB       (1) 8M x 36    (1) 256K x        None           None
                                   36

     34MB       (1) 8M x 36    (1) 256K x     (1) 256K x        None
                                   36             36

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

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

     44MB       (1) 8M x 36   (1) 1M x 36    (1) 1M x 36     (1) 1M x 36

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

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

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

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

     64MB        (1) 16M x        None           None           None
                    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

     65MB        (1) 16M x     (1) 256K x        None           None
                    36             36

     66MB        (1) 16M x     (1) 256K x     (1) 256K x        None
                    36             36             36

     67MB        (1) 16M x     (1) 256K x     (1) 256K x    (1) 256K x 36
                    36             36             36

     68MB        (1) 16M x    (1) 1M x 36        None           None
                    36

     72MB        (1) 16M x    (1) 1M x 36    (1) 1M x 36        None
                    36

     72MB        (1) 16M x    (1) 2M x 36        None           None
                    36

     72MB       (1) 2M x 36   (1) 8M x 36    (1) 8M x 36        None

     76MB        (1) 16M x    (1) 1M x 36    (1) 1M x 36     (1) 1M x 36
                    36

     80MB        (1) 16M x    (1) 2M x 36    (1) 2M x 36        None
                    36

     80MB        (1) 16M x    (1) 4M x 36        None           None
                    36

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

     88MB        (1) 16M x    (1) 2M x 36    (1) 2M x 36     (1) 2M x 36
                    36

     96MB        (1) 16M x    (1) 4M x 36    (1) 4M x 36        None
                    36

     96MB        (1) 16M x    (1) 8M x 36        None           None
                    36

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

     100MB      (1) 1M x 36   (1) 8M x 36    (1) 8M x 36     (1) 8M x 36

     112MB       (1) 16M x    (1) 4M x 36    (1) 4M x 36     (1) 4M x 36
                    36

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1        Bank 2         Bank 3

     112MB       (1) 4M x 36    (1) 8M x 36   (1) 8M x 36    (1) 8M x 36

     128MB        (1) 16M x      (1) 16M x       None           None
                     36             36

     128MB        (1) 16M x     (1) 8M x 36   (1) 8M x 36       None
                     36

     128MB       (1) 8M x 36    (1) 8M x 36   (1) 8M x 36    (1) 8M x 36

     132MB        (1) 32M x     (1) 1M x 36      None           None
                     36

     136MB        (1) 32M x     (1) 1M x 36   (1) 1M x 36       None
                     36

     136MB        (1) 32M x     (1) 2M x 36      None           None
                     36

     140MB        (1) 32M x     (1) 1M x 36   (1) 1M x 36    (1) 1M x 36
                     36

     144MB        (1) 32M x     (1) 4M x 36      None           None
                     36

     152MB        (1) 32M x     (1) 2M x 36   (1) 2M x 36    (1) 2M x 36
                     36

     152MB        (1) 32M x     (1) 2M x 36   (1) 2M x 36    (1) 2M x 36
                     36

     160MB        (1) 16M x     (1) 8M x 36   (1) 8M x 36    (1) 8M x 36
                     36

     160MB        (1) 32M x     (1) 4M x 36   (1) 4M x 36       None
                     36

     160MB        (1) 32M x     (1) 8M x 36      None           None
                     36

     176MB        (1) 32M x     (1) 4M x 36   (1) 4M x 36    (1) 4M x 36
                     36

     192MB        (1) 16M x      (1) 16M x     (1) 16M x        None
                     36             36            36

     192MB        (1) 32M x     (1) 8M x 36   (1) 8M x 36       None
                     36

     224MB        (1) 32M x     (1) 8M x 36   (1) 8M x 36    (1) 8M x 36
                     36

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

     256MB        (1) 32M x      (1) 32M x       None           None
                     36             36

     256MB        (1) 64M x        None          None           None
                     36

  Note: Board accepts EDO memory. The location of banks 0 & 1 are
  unidentified.

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

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

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

  Note: The location of banks 0 & 1 are unidentified.

                        CACHE JUMPER CONFIGURATION

       Size               JP13              JP14               JP15

       128KB             1 & 2              1 & 2              Open

     256KB (A)           2 & 3              2 & 3             5 & 6

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

       512KB         1 & 2, 3 & 4, 5        1 & 2          3 & 4, 5 & 6
                          & 6

        1MB          2 & 3, 4 & 5, 6        2 & 3         1 & 2, 3 & 4, 5
                          & 7                                  & 6

                            CPU SPEED SELECTION

       Speed              JP11              JP12              JP18

       25MHz              5 & 6            2 & 3              Open

       33MHz          1 & 2, 3 & 4,        2 & 3              Open
                          5 & 6

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

       50iMHz             5 & 6            2 & 3              Open

       50MHz              1 & 2            1 & 2             Closed

       66iMHz         1 & 2, 3 & 4,        2 & 3              Open
                          5 & 6

       75iMHz             5 & 6            2 & 3              Open

       80iMHz         3 & 4, 5 & 6         1 & 2             Closed

      100iMHz         1 & 2, 3 & 4,        2 & 3              Open
                          5 & 6

      120iMHz         3 & 4, 5 & 6         1 & 2             Closed

  Note: Pins designated should be in the closed position.

                            CPU TYPE SELECTION

       Type            JP26          JP27          JP28          JP29

      80486SX          Open          Open       Pins 1 & 2     Pins 1 & 2
                                                  closed        closed

     SL80486SX        Closed         Open       Pins 1 & 2     Pins 1 & 2
                                                  closed        closed

      CX486DX         Closed      Pins 2 & 3    Pins 2 & 3     Pins 1 & 2
                                    closed        closed        closed

     IBM486DX         Closed      Pins 2 & 3    Pins 2 & 3     Pins 1 & 2
                                    closed        closed        closed

      TI486DX         Closed      Pins 2 & 3    Pins 2 & 3     Pins 1 & 2
                                    closed        closed        closed

      AM486DX          Open       Pins 2 & 3    Pins 2 & 3     Pins 1 & 2
                                    closed        closed        closed

      80486DX          Open       Pins 2 & 3    Pins 2 & 3     Pins 1 & 2
                                    closed        closed        closed

     SL80486DX        Closed      Pins 2 & 3    Pins 2 & 3     Pins 1 & 2
                                    closed        closed        closed

     CX486DX2         Closed      Pins 2 & 3    Pins 2 & 3     Pins 1 & 2
                                    closed        closed        closed

     IBM486DX2        Closed      Pins 2 & 3    Pins 2 & 3     Pins 1 & 2
                                    closed        closed        closed

     TI486DX2         Closed      Pins 2 & 3    Pins 2 & 3     Pins 1 & 2
                                    closed        closed        closed

     AM486DX2          Open       Pins 2 & 3    Pins 2 & 3     Pins 1 & 2
                                    closed        closed        closed

   (SL)AM486DX2       Closed      Pins 2 & 3    Pins 2 & 3     Pins 2 & 3
                                    closed        closed        closed

     80486DX2          Open       Pins 2 & 3    Pins 2 & 3     Pins 1 & 2
                                    closed        closed        closed

    SL80486DX2        Closed      Pins 2 & 3    Pins 2 & 3     Pins 1 & 2
                                    closed        closed        closed

     AM486DX4          Open       Pins 2 & 3    Pins 2 & 3     Pins 1 & 2
                                    closed        closed        closed

   (SL)AM486DX4       Closed      Pins 2 & 3    Pins 2 & 3     Pins 2 & 3
                                    closed        closed        closed

    SL80486DX4        Closed      Pins 2 & 3    Pins 2 & 3     Pins 1 & 2
                                    closed        closed        closed

       P24D           Closed      Pins 2 & 3    Pins 2 & 3     Pins 2 & 3
                                    closed        closed        closed

       P24T           Closed      Pins 1 & 2    Pins 2 & 3     Pins 2 & 3
                                    closed        closed        closed

      CXM1-SC         Closed      Pins 2 & 3    Pins 2 & 3     Pins 2 & 3
                                    closed        closed        closed

                        CPU TYPE SELECTION (CONT)

           Type                     JP30                    JP31

         80486SX              Pins 1 & 8 closed             Open

        SL80486SX             Pins 2 & 9, 5 & 12      Pins 2 & 9 closed
                                   closed

         CX486DX             Pins 3 & 10, 6 & 13     Pins 3 & 10, 4 & 11
                                   closed                  closed

         IBM486DX            Pins 3 & 10, 6 & 13     Pins 3 & 10, 4 & 11
                                   closed                  closed

         TI486DX             Pins 3 & 10, 6 & 13     Pins 3 & 10, 4 & 11
                                   closed                  closed

         AM486DX              Pins 1 & 8, 7 & 14            Open
                                   closed

         80486DX              Pins 1 & 8 closed             Open

        SL80486DX           Pins 2 & 9, 5 & 12, 7     Pins 2 & 9 closed
                                 & 14 closed

         CX486DX2            Pins 3 & 10, 6 & 13     Pins 3 & 10, 4 & 11
                                   closed                  closed

        IBM486DX2            Pins 3 & 10, 6 & 13     Pins 3 & 10, 4 & 11
                                   closed                  closed

         TI486DX2            Pins 3 & 10, 6 & 13     Pins 3 & 10, 4 & 11
                                   closed                  closed

         AM486DX2             Pins 1 & 8, 7 & 14            Open
                                   closed

       (SL)AM486DX2         Pins 2 & 9, 4 & 11, 5   Pins 2 & 9, 6 & 13, 7
                                 & 12 closed             & 14 closed

         80486DX2             Pins 1 & 8 closed             Open

        SL80486DX2          Pins 2 & 9, 5 & 12, 7     Pins 2 & 9 closed
                                 & 14 closed

         AM486DX4             Pins 1 & 8 closed             Open

       (SL)AM486DX4           Pins 2 & 9, 5 & 12    Pins 2 & 9, 6 & 13, 7
                                   closed                & 14 closed

        SL80486DX4            Pins 2 & 9, 5 & 12      Pins 2 & 9 closed
                                   closed

           P24D               Pins 2 & 9, 5 & 12    Pins 2 & 9, 6 & 13, 7
                                   closed                & 14 closed

           P24T               Pins 2 & 9, 5 & 12      Pins 2 & 9 closed
                                   closed

         CXM1-SC              Pins 2 & 9, 5 & 12    Pins 2 & 9, 6 & 13, 7
                                   closed                & 14 closed

                           CPU VOLTAGE SELECTION

    Voltage         JP6            JP7            JP8            JP9

     3.3v          Closed       Pins 1 & 2     Pins 1 & 2     Pins 1 & 2
                                 closed         closed          closed

      4v            Open        Pins 1 & 2     Pins 1 & 2     Pins 1 & 2
                                 closed         closed          closed

      5v           Closed       Pins 2 & 3     Pins 2 & 3     Pins 2 & 3
                                 closed         closed          closed

                    DMA CHANNEL SELECTION

       Channel               JP3                  JP4

          1            Pins 1 & 2 closed   Pins 1 & 2 closed

          3            Pins 2 & 3 closed   Pins 2 & 3 closed

