...because we can't all be on the bleeding edge...





IT386SX

INFORMTECH INTERNATIONAL, INC.

IT386SX

Processor

80386SX

Processor Speed

8/16/20MHz

Chip Set

Intel

Max. Onboard DRAM

2MB

Cache

None

BIOS

Phoenix

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

P2

External battery

P8

Speaker

P3

Keyboard connector

J9

Reset switch

P4

32-bit external memory card

SL1

Power LED & keylock

P5

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Keyboard controller clock speed select 6MHz

J5

pins 1 & 2 closed

 

Keyboard controller clock speed select 12MHz

J5

pins 2 & 3 closed

Power good signal detect from board

J8

pins 1 & 2 closed

 

Power good signal detect from power supply

J8

pins 2 & 3 closed

Monitor type select color

J19

Closed

 

Monitor type select monochrome

J19

Open

DRAM CONFIGURATION

Size

Bank 0

Parity 0

Bank 1

Parity 1

1MB

(8) 44256

(4) 41256

NONE

NONE

2MB

(8) 44256

(4) 41256

(8) 44256

(4) 41256

CPU SPEED CONFIGURATION

CPU Speed

Clock speed

J2

J10

J13

J14

8MHz

8MHz

1 & 2

Open

Open

Closed

16MHz

8MHz

1 & 2

1 & 2

Open

Open

16MHz

12MHz

2 & 3

1 & 2

Open

Open

20MHz

8MHz

1 & 2

2 & 3

Open

Open

20MHz

10MHz

Open

2 & 3

Closed

Open

20MHz

12MHz

2 & 3

2 & 3

Open

Open

Note: Pins designated should be in the closed position.

BATTERY TYPE CONFIGURATION

Type

J7

3.6v (without limiting resistor)

pins 1 & 2 closed

4.5v

pins 1 & 3 closed

6v (with limiting resistor)

pins 3 & 4 closed

6v

Open