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80386SX VLSI

FUJIKAMA USA, INC.

80386SX VLSI

Device Type

Mainboard

Processor

80386SX

Processor Speed

16MHz

Chip Set

VLSI

Video Chip Set

None

Maximum Onboard Memory

4MB

Maximum Video Memory

None

Cache

None

BIOS

AMI, Award, Phoenix

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

JP2

Speaker

JP5

Reset switch

JP3

Turbo switch

JP6

Turbo LED

JP4

External battery

JP22

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

BIOS type select 27256

JP1

Pins 1 & 2 closed

 

BIOS type select 27128

JP1

Pins 2 & 3 closed

»

Factory configured - do not alter (shadow RAM)

JP14

Open

»

Power good signal detect from power supply

JP24

Pins 1 & 2 closed

 

Power good signal detect from board

JP24

Pins 2 & 3 closed

 

Monitor type select CGA/EGA/VGA

JP25

Pins 1 & 2 closed

 

Monitor type select monochrome

JP25

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 0A

512KB

None

None

(4) 44256

640KB

None

None

(4) 44256

1MB

None

None

(4) 44256

2MB

(18) 41100

None

None

4MB

(18) 41100

(18) 41100

None

DRAM CONFIGURATION (CON’T)

Size

Bank 1A

Bank 1B

P 0

P 1

512KB

None

None

(2) 41256

None

640KB

(4) 4464

None

(2) 41256

(2) 4164

1MB

None

(4) 44256

(2) 41256

(2) 41256

2MB

None

None

None

None

4MB

None

None

None

None

DRAM JUMPER CONFIGURATION

Size

JP15

JP16

JP23

512KB

Closed

Open

Closed

640KB

Open

Closed

Closed

1MB

Open

Closed

Closed

2MB

Closed

Open

Open

4MB

Open

Closed

Open

DRAM WAIT STATE SELECTION

Wait state

JP10

JP11

0

Closed

Closed

1

Open

Open

KEYBOARD PIN CONTROLLER SELECTION

Pin

JP17

JP18

JP19

JP20

23

Closed

Open

Open

Open

27

Open

Closed

Open

Open

30

Open

Open

Closed

Open

32

Open

Open

Open

Closed