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