
AAEON TECHNOLOGY, INC.

PCM-4890

Device Type Single board computer
Processor   CX486DX2/AM486DX2/80486DX2/CX486DX4/AM486DX4/80486DX4/ CX
            5X86/AM 5X86
Processor   33/40/66(internal)/80(internal)/100(internal)/120(internal)/
Speed       133(internal)MHz
Chip Set    VIA
Video Chip  Chips and Technology
Set
Maximum     64MB (EDO supported)
Onboard
Memory
Maximum     1MB
Video
Memory
Cache       128/256/512KB
BIOS        Award
Dimensions  202mm x 146mm
I/O Options AUI connector, Ethernet 10BaseT connector, floppy drive
            interface, IDE interface, parallel port, PS/2 mouse interface,
            serial ports (2), VGA port, PC/104 connectors (2)

[Image]

                                CONNECTIONS

  Purpose                    Location    Purpose               Location

  VGA interface                CN1       Main power              CN10
                                         connector

  Flat panel connector         CN2       AUI connector           CN11

  Chassis fan power            CN3       Parallel port           CN12

  PC/104 connector             CN4       Ethernet 10BaseT        CN13
                                         connector

  Front panel connector        CN5       Serial port             CN14

  PC/104 connector             CN6       Floppy drive            CN15
                                         interface

  Power connector              CN7       Ethernet LED             J26

  PS/2 mouse/keyboard          CN8       Ethernet LED             J28
  interface

  IDE interface                CN9

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation             J8           Pins 1 & 2
                                                              closed

      CMOS memory clear                        J8           Pins 2 & 3
                                                              closed

      Cache type select write through         J12             Closed

      Cache type select write back            J12              Open

      Watchdog timer reset                    J19              Open

      Watchdog timer IRQ15                    J19             Closed

      Buzzer enabled                          J21             Closed

      Buzzer disabled                         J21              Open

     Parallel port IRQ select IRQ7           J23           Pins 2 & 3
                                                              closed

      Parallel port IRQ select IRQ5           J23           Pins 1 & 2
                                                              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

            SIMM CONFIGURATION (CON'T)

      Size            Bank 0           Bank 1

      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

                CACHE CONFIGURATION

  Note: The location of the cache is unidentified.

                VIDEO MEMORY CONFIGURATION

  Note: The location of the video memory is unidentified.

                            CPU SPEED SELECTION

      Speed               J16               J17                J18

      33MHz            Pins 1 & 2        Pins 2 & 3         Pins 2 & 3
                        closed             closed             closed

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

      66iMHz           Pins 1 & 2        Pins 2 & 3         Pins 2 & 3
                        closed             closed             closed

      80iMHz           Pins 2 & 3        Pins 1 & 2         Pins 1 & 2
                        closed             closed             closed

     100iMHz           Pins 1 & 2        Pins 2 & 3         Pins 2 & 3
                        closed             closed             closed

     120iMHz           Pins 2 & 3        Pins 1 & 2         Pins 1 & 2
                        closed             closed             closed

     133iMHz           Pins 1 & 2        Pins 2 & 3         Pins 2 & 3
                        closed             closed             closed

                            CPU TYPE SELECTION

         Type                 J3               J4               J5

       CX486DX2              Open         1 & 2, 3 & 4,        Open
                                          5 & 6, 7 & 8,
                                             9 & 10

       AM486DX2              Open             Open        1 & 2, 3 & 4, 5
                                                                & 6

       80486DX2          1 & 2, 3 & 4,        Open             Open
                         5 & 6, 7 & 8,
                            9 & 10

       CX486DX4          1 & 2, 3 & 4,        Open             Open
                         5 & 6, 7 & 8,
                            9 & 10

     AM486DX4-100        1 & 2, 3 & 4,        Open             Open
                         5 & 6, 7 & 8,
                            9 & 10

     AM486DX4-120        1 & 2, 3 & 4,        Open             Open
                         5 & 6, 7 & 8,
                            9 & 10

       80486DX4          1 & 2, 3 & 4,        Open             Open
                         5 & 6, 7 & 8,
                            9 & 10

       CX 5X86               Open         1 & 2, 3 & 4,        Open
                                          5 & 6, 7 & 8,
                                             9 & 10

       AM 5X86           1 & 2, 3 & 4,        Open             Open
                         5 & 6, 7 & 8,
                            9 & 10

  Note: Pins designated should be in the closed position.

                        CPU TYPE SELECTION (CON'T)

      Type            J7            J9            J10            J11

    CX486DX2        1 & 2         1 & 2          1 & 2         Closed

    AM486DX2        2 & 3         1 & 2          1 & 2         Closed

    80486DX2        2 & 3         1 & 2          1 & 2         Closed

    CX486DX4        1 & 2         1 & 2          1 & 2         Closed

  AM486DX4-100      1 & 2         1 & 2          1 & 2         Closed

  AM486DX4-120      2 & 3         1 & 2          1 & 2         Closed

    80486DX4        2 & 3         1 & 2          1 & 2         Closed

    CX 5X86         1 & 2         1 & 2          1 & 2         Closed

    AM 5X86         2 & 3         1 & 2          1 & 2         Closed

  Note: Pins designated should be in the closed position.

        CPU MULTIPLIER SELECTION

  Multiplier       J13          J14

      1x          Open          Open

      2x         Closed        Closed

             CPU VOLTAGE SELECTION (SINGLE)

          Voltage                       J1

             3v              Pins 1 & 3, 2 & 4 closed

             5v              Pins 3 & 5, 4 & 6 closed

                       CPU VOLTAGE SELECTION (DUAL)

                Voltage                                 J2

                   3.3v                        Pins 1 & 2 closed

                   3.45v                        Pins 3 & 4 closed

                    3.6v                        Pins 5 & 6 closed

                           DMA CHANNEL SELECTION

         Channel                    J6                       J22

             1              Pins 1 & 2 closed        Pins 1 & 2 closed

              3              Pins 2 & 3 closed        Pins 2 & 3 closed

         SERIAL PORT 2 SELECTION

       Setting               J27

       RS-232         Pins 1 & 2 closed

       RS-422         Pins 3 & 4 closed

       RS-485         Pins 5 & 6 closed

                       SERIAL PORT VOLTAGE SELECTION

    Setting         J29            J30            J31            J32

    RS-232       Pins 1 & 2     Pins 1 & 2     Pins 1 & 2     Pins 1 & 2
                   closed         closed        closed          closed

    RS-422       Pins 2 & 3     Pins 2 & 3     Pins 2 & 3     Pins 2 & 3
                   closed         closed        closed          closed

    RS-485       Pins 2 & 3     Pins 2 & 3     Pins 2 & 3     Pins 2 & 3
                   closed         closed        closed          closed

   SERIAL PORT COM3 INTERRUPT SELECTION

         IRQ                 J24

        IRQ5          Pins 1 & 2 closed

        IRQ10         Pins 2 & 3 closed

   SERIAL PORT COM4 INTERRUPT SELECTION

         IRQ                 J25

        IRQ5          Pins 1 & 2 closed

        IRQ10         Pins 2 & 3 closed

             SERIAL PORT COM3/4 VOLTAGE SELECTION

       Voltage               J33                  J34

        Ring           Pins 1 & 2 closed   Pins 1 & 2 closed

         5v            Pins 3 & 4 closed   Pins 3 & 4 closed

         12v           Pins 5 & 6 closed   Pins 5 & 6 closed

     WATCHDOG TIMER SELECTION

  Setting       J15        J20

  Enabled     Closed      Closed

  Disabled     Open        Open

