
TECHNOLAND, INC.

OMNI 300-1, OMNI 300-4

Device Type                 Single board computer
Processor                   80386SX
Processor Speed             25/33/40MHz
Chip Set                    ALI
Video Chip Set              None
Maximum Onboard Memory      20MB
Maximum Video Memory        None
Cache                       None
BIOS                        Award
Dimensions                  185mm x 122mm
I/O Options                 Floppy drive interface, IDE interface, parallel
                            port, serial ports (2), PC/104 connectors (2)
NPU Options                 None

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  Speaker                    J1        PC/104 connector           J8A
                                       (8-bit)

  Reset switch               J2        Auxiliary keyboard         J9
                                       connector

  Power LED & keylock        J3        Serial port 2              J10

  IDE interface              J4        Serial port 1              J11

  Floppy drive               J6        IDE interface LED          JP8
  interface

  Parallel port              J7        Power connector            P1

  PC/104 connector           J8
  (16-bit)

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            JP3              Open

      CMOS memory clear                       JP3             Closed

     WDT port address select port F2         JP4             Closed

      WDT port address select port F6         JP4              Open

     On board I/O enabled                    JP5              Open

      On board I/O disabled                   JP5             Closed

                      SIMM CONFIGURATION

        Size                Bank 0               Bank 1

         1MB            (2) 256K x 16             None

         3MB            (2) 256K x 16        (1) 512K x 36

         4MB             (2) 1M x 16              None

         5MB            (2) 256K x 16         (1) 1M x 36

         6MB             (2) 1M x 16         (1) 512K x 36

         8MB             (2) 1M x 16          (1) 1M x 36

        12MB             (2) 1M x 16          (1) 2M x 36

        20MB             (2) 1M x 16          (1) 4M x 36

  Note: Bank 0 is factory installed and is not configurable.

                       ON BOARD MEMORY CONFIGURATION

         Size                     JP1                       JP2

          1MB              Pins 1 & 2 closed         Pins 1 & 2 closed

          4MB              Pins 2 & 3 closed         Pins 2 & 3 closed

  Note: 1MB is standard on the Omni 300-1 board. 4MB is standard on the
  Omni 300-4 board.

                    SERIAL PORT 2 SELECTION

  Setting     JP9       JP10       JP11       JP12      JP13

  RS-232     1 & 2      1 & 2     1 & 2      1 & 2     1 & 2

  RS-422     2 & 3      2 & 3     2 & 3      2 & 3     3 & 4

  RS-485     2 & 3      2 & 3     2 & 3      2 & 3     5 & 6

  Note: Pins designated should be in the closed position.

                              BIOS SELECTION

                 Speed                                 JP6

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

                 12v flash                   Pins 1 & 2, 4 & 5 closed

                   EPROM                        Pins 2 & 3 closed

                        M SYSTEM ADDRESS SELECTION

                Address                                JP7

                   C0000                        Pins 1 & 2 closed

                   C8000                        Pins 3 & 4 closed

                  D0000                        Pins 5 & 6 closed

                   D8000                        Pins 7 & 8 closed

