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# TECHNOLAND, INC.
OMNI 300-1S, OMNI 300-4S
Device Type Single board computer
Processor 80386SX
Processor Speed 25/33/40MHz
Chip Set ALI
Video Chip Set None
Maximum Onboard 20MB
Memory
Maximum Video None
Memory
Cache None
BIOS Award
Dimensions 185mm x 122mm
I/O Options Floppy drive interface, IDE interface, SCSI
interface, parallel port, serial ports (2),
PC/104 connectors (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+----------+--------------------+----------|
| Speaker | J1 | PC/104 connector | J8 |
| | | (16-bit) | |
|-----------------+----------+--------------------+----------|
| Reset switch | J2 | PC/104 connector | J8A |
| | | (8-bit) | |
|-----------------+----------+--------------------+----------|
| Power LED & | J3 | Auxiliary keyboard | J9 |
| keylock | | connector | |
|-----------------+----------+--------------------+----------|
| IDE interface | J4 | Serial port 2 | J10 |
|-----------------+----------+--------------------+----------|
| SCSI interface | J5 | Serial port 1 | J11 |
|-----------------+----------+--------------------+----------|
| Floppy drive | J6 | IDE interface LED | JP8 |
| interface | | | |
|-----------------+----------+--------------------+----------|
| Parallel port | J7 | Power connector | P1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 300-1S board. 4MB is |
| standard on the Omni 300-4S 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 |
+------------------------------------------------------------+