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