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OMNI 300-1S, OMNI 300-4S

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 Memory

20MB

Maximum Video Memory

None

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

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J1

PC/104 connector (16-bit)

J8

Reset switch

J2

PC/104 connector (8-bit)

J8A

Power LED & keylock

J3

Auxiliary keyboard connector

J9

IDE interface

J4

Serial port 2

J10

SCSI interface

J5

Serial port 1

J11

Floppy drive interface

J6

IDE interface LED

JP8

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