
AXIOM TECHNOLOGY, INC.

AX8175

Processor  80486SX/80487SX/CX486DX/AM486DX/80486DX/CX486DX2/
           AM486DX2/80486DX2/CX486DX4/AM486DX4/80486DX4/
Processor  25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set   UMC
Video Chip None
Set
Maximum    64MB
Onboard
Memory
Maximum    None
Video
Memory
Cache      128KB
BIOS       AMI
Dimensions Unidentified
I/O        Ethernet 10BaseT connectors (2), floppy drive interface, IDE
Options    interface, parallel port, PS/2 mouse interface, serial ports (2),
           VGA interface, flat panel interface, PC/104 connectors (8-bit) (2),
           PC/104 connectors (16-bit) (2)
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                 Location      Purpose                Location

  Watchdog timer             CN1        Floppy drive             CN13
  trigger input                         interface

  External power             CN2        PC/104 connector         CN14
  connector                             (16-bit)

  External watchdog          CN3        PC/104 connector         CN15
  output                                (8-bit)

  PC/104 connector           CN4        Speaker                  CN16
  (8-bit)

  PC/104 connector           CN5        Turbo LED                CN18
  (16-bit)

  Ethernet 10BaseT           CN6        IDE interface LED        CN19
  connector (RJ-45)

  Ethernet 10BaseT           CN7        Reset switch             CN20
  connector (AUI)

  External battery           CN8        Auxiliary keyboard       CN21
                                        connector

  Serial port 1              CN9        PS/2 mouse               CN22
                                        interface

  Serial port 2             CN10        Flat panel               CN23
                                        interface

  Parallel port             CN11        VGA interface            CN24

  IDE interface             CN12

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     SHFCLK select normal                    J7            Pins 1 & 2
                                                              closed

      SHFCLK select inverted                  J7            Pins 2 & 3
                                                              closed

     On board video enabled                  J11           Pins 1 & 2
                                                              closed

      On board video disabled                 J11           Pins 2 & 3
                                                              closed

     Parallel port IRQ select IRQ7           J12           Pins 1 & 2
                                                              closed

      Parallel port IRQ select IRQ5           J12           Pins 2 & 3
                                                              closed

                DRAM 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) 512K x 36    (1) 512K x 36

       4MB         (1) 1M x 36          None

       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

            DRAM CONFIGURATION (CONT)

      Size            Bank 0           Bank 1

      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

      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

                    CACHE CONFIGURATION

  Note: The location of the 128KB cache is unidentified.

                            CPU SPEED SELECTION

      Speed               J8                 J9                J10

      25MHz            Pins 1 & 2        Pins 1 & 2         Pins 2 & 3
                        closed             closed             closed

      33MHz            Pins 1 & 2        Pins 1 & 2         Pins 1 & 2
                        closed             closed             closed

      40MHz            Pins 1 & 2        Pins 2 & 3         Pins 2 & 3
                        closed             closed             closed

      50iMHz           Pins 1 & 2        Pins 1 & 2         Pins 2 & 3
                        closed             closed             closed

      50MHz            Pins 2 & 3        Pins 2 & 3         Pins 2 & 3
                        closed             closed             closed

      66iMHz           Pins 1 & 2        Pins 1 & 2         Pins 1 & 2
                        closed             closed             closed

      75iMHz           Pins 1 & 2        Pins 1 & 2         Pins 2 & 3
                        closed             closed             closed

     100iMHz           Pins 1 & 2        Pins 1 & 2         Pins 1 & 2
                        closed             closed             closed

                            CPU TYPE SELECTION

          Type                     J15                      J16

         80486SX                   Open              Pins 2 & 3 closed

         80487SX                   Open              Pins 2 & 3 closed

         CX486DX            Pins 1 & 2 closed         Pins 1 & 2, 3 & 4
                                                           closed

         AM486DX            Pins 1 & 2 closed         Pins 1 & 2, 3 & 4
                                                           closed

         80486DX            Pins 1 & 2 closed         Pins 1 & 2, 3 & 4
                                                           closed

        CX486DX2            Pins 1 & 2 closed         Pins 1 & 2, 3 & 4
                                                           closed

        AM486DX2            Pins 1 & 2 closed         Pins 1 & 2, 3 & 4
                                                           closed

        80486DX2            Pins 1 & 2 closed         Pins 1 & 2, 3 & 4
                                                           closed

        CX486DX4            Pins 1 & 2 closed         Pins 1 & 2, 3 & 4
                                                           closed

        AM486DX4            Pins 1 & 2 closed         Pins 1 & 2, 3 & 4
                                                           closed

        80486DX4            Pins 1 & 2 closed         Pins 1 & 2, 3 & 4
                                                           closed

                           CPU VOLTAGE SELECTION

          Voltage                    J13                     J14

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

             3.45v            Pins 2 & 3 closed       Pins 1 & 2 closed

              5v              Pins 1 & 2 closed             Open

                       RAM/ROM/FLASH DISK SELECTION

       Type             J1          J2          J3        J4        J5

         29F010        Open        Open       1 & 2      1 & 2     1 & 2

        29F040        1 & 2       Open       1 & 2      1 & 2     1 & 2

        58C1000        2 & 3       Open       2 & 3      2 & 3     2 & 3

        58C4000        1 & 2       Open       2 & 3      2 & 3     2 & 3

         27C512        2 & 3       Open        Open      1 & 2     1 & 2

         27C010        Open        Open       1 & 2      1 & 2     1 & 2

         27C020        1 & 2       Open       1 & 2      1 & 2     1 & 2

         27C040        1 & 2      1 & 2        Open      1 & 2     1 & 2

  Note: Pins designated should be in the closed position.

                            WATCH DOG SELECTION

                  Type                                  J6

     Watch Dog active NMI                       Pins 1 & 2 closed

      Watch Dog reset system                     Pins 2 & 3 closed

      Watch Dog disabled                               Open

