
AXIOM TECHNOLOGY, INC.

SBC8259

Processor           CX M1/AM K5/Pentium
Processor Speed     75/90/100/120/133/150/166/200/MHz
Chip Set            Unidentified
Video Chip Set      Unidentified
Maximum Onboard     256MB (EDO supported)
Memory
Maximum Video Memory1MB
Cache               256/512KB
BIOS                Award
Dimensions          338mm x 122mm
I/O Options         Floppy drive interface, green PC connector, IDE
                    interfaces (2), Ultra Wide SCSI interface, SCSI II
                    interface, parallel port, PS/2 mouse port/keyboard,
                    serial ports (2), VGA port, PC104 connectors (2), flat
                    panel connector
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                   Location     Purpose               Location

  Serial port 1                CN1       Flat panel              CN11
                                         connector

  VGA port                     CN2       Auxiliary keyboard      EXKB
                                         connector

  PS/2 mouse                   CN3       Green PC connector       GRN
  port/keyboard

  Parallel port                CN4       IDE interface LED        HDL

  Serial port 2                CN5       SCSI LED                 JP4

  Floppy drive interface       CN6       Power LED &              KBL
                                         keylock

  IDE interface 1              CN7       Reset switch             RST

  IDE interface 2              CN8       Speaker                  SPK

  SCSI II interface            CN9       PC104 connector         104AB

  Ultra Wide SCSI             CN10       PC104 connector         104CD
  interface

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       2MB        (2) 256K x 36         None

       4MB        (2) 256K x 36    (2) 256K x 36

       4MB        (2) 512K x 36         None

       6MB        (2) 512K x 36    (2) 256K x 36

       8MB        (2) 512K x 36    (2) 512K x 36

       8MB         (2) 1M x 36          None

      10MB         (2) 1M x 36     (2) 256K x 36

      12MB         (2) 1M x 36     (2) 512K x 36

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

      16MB         (2) 2M x 36          None

      18MB         (2) 2M x 36     (2) 256K x 36

      20MB         (2) 2M x 36     (2) 512K x 36

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

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

      32MB         (2) 4M x 36          None

      34MB         (2) 4M x 36     (2) 256K x 36

      36MB         (2) 4M x 36     (2) 512K x 36

      40MB         (2) 4M x 36      (2) 1M x 36

      48MB         (2) 4M x 36      (2) 2M x 36

      64MB         (2) 4M x 36      (2) 4M x 36

      64MB         (2) 8M x 36          None

      66MB         (2) 8M x 36     (2) 256K x 36

      68MB         (2) 8M x 36     (2) 512K x 36

      72MB         (2) 8M x 36      (2) 1M x 36

      80MB         (2) 8M x 36      (2) 2M x 36

      96MB         (2) 8M x 36      (2) 4M x 36

      128MB        (2) 8M x 36      (2) 8M x 36

      128MB        (2) 16M x 36         None

      130MB        (2) 16M x 36    (2) 256K x 36

      132MB        (2) 16M x 36    (2) 512K x 36

      136MB        (2) 16M x 36     (2) 1M x 36

      144MB        (2) 16M x 36     (2) 2M x 36

      160MB        (2) 16M x 36     (2) 4M x 36

      192MB        (2) 16M x 36     (2) 8M x 36

      256MB        (2) 16M x 36     (2) 16M x 36

  Note: Board accepts EDO memory.

      CACHE CONFIGURATION

      Size          Bank 0

     256KB       (2) 32K x 32

     512KB       (2) 64K x 32

                      VIDEO MEMORY CONFIGURATION

  Note: 1MB video memory is factory installed and not configurable.

                        CPU SPEED SELECTION (CYRIX)

   CPU speed      Clock speed     Multiplier         JP2          JP8

     120MHz          50MHz           1.5x           Open       3 & 4, 5 &
                                                                   6

     150MHz          60MHz           1.5x           Open       1 & 3, 4 &
                                                                   6

     166MHz          66MHz           1.5x           Open       2 & 4, 3 &
                                                                   5

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

   CPU speed      Clock speed     Multiplier         JP2          JP8

     75MHz           50MHz           1.5x           Open       3 & 4, 5 &
                                                                   6

     90MHz           60MHz           1.5x           Open       1 & 3, 4 &
                                                                   6

     100MHz          66MHz           1.5x           Open       2 & 4, 3 &
                                                                   5

     120MHz          60MHz            2x            2 & 4      1 & 3, 4 &
                                                                   6

     133MHz          66MHz            2x            2 & 4      2 & 4, 3 &
                                                                   5

     150MHz          50MHz           2.5x           1 & 3      3 & 4, 5 &
                                                                   6

     166MHz          66MHz           2.5x         1 & 3, 2 &   2 & 4, 3 &
                                                      4            5

     200MHz          66MHz            3x            1 & 3      2 & 4, 3 &
                                                                   5

  Note: Pins designated should be in the closed position.

          CPU VOLTAGE SELECTION

       Voltage               JA1

        2.5v          Pins 5 & 6 closed

        2.75v         Pins 7 & 8 closed

        3.3v          Pins 1 & 2 closed

        3.52v         Pins 3 & 4 closed

                          SERIAL PORT 2 SELECTION

          Setting                                JA2

            RS-232                             1 & 2

             RS-422           1 & 3, 5 & 6, 7 & 8, 9 & 10, 11 & 12, 17 &
                                    18, 19 & 20, 21 & 22, 23 & 24

             RS-485           1 & 3, 4 & 6, 7 & 8, 9 & 10, 11 & 12, 13 &
                             14, 15 & 16, 17 & 18, 19 & 20, 21 & 22, 23 &
                                                  24

  Note: Pins designated should be in the closed position.

                KYEBOARD/MOUSE SELECTION

          Setting                      JP14

    CN3 used as keyboard     Pins 3 & 5, 4 & 6 closed

   CN3 used as PS/2 mouse    Pins 1 & 3, 2 & 4 closed

