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





386SX-16/20V

FIRST INTERNATIONAL COMPUTER, INC.

386SX-16/20V

Processor

80386SX

Processor Speed

16/20MHz

Chip Set

Symphony

Max. Onboard DRAM

8MB

Cache

None

BIOS

AMI/Award/Phoenix

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

J13

Reset switch

J15

Speaker

J14

Power LED & keylock

J16

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

Monitor type select monochrome

J2

pins 2 & 3 closed

 

Monitor type select color

J2

pins 1 & 2 closed

 

640K to 1M DRAM re-mapping disabled

J5

pins 2 & 3 closed

 

Memory access 2 wait states/ I/O select 6 wait states

J8

pins 1 & 2 closed

 

Memory access 1 wait state/ I/O select 4 wait states

J8

pins 2 & 3 closed

 

NPU enabled

J9

pins 1 & 2 closed

 

NPU disabled

J9

pins 2 & 3 closed

NPU mode select synchronous with CPU clock

J10

pins 1 & 2 closed

 

NPU mode select synchronous with crystal installed at OSC1

J10

pins 2 & 3 closed

 

CPU speed select 20MHz

J11

pins 1 & 2 closed

 

CPU speed select 16MHz

J11

pins 2 & 3 closed

CPU speed select fast

J12

Open

 

CPU speed select slow

J12

pins 2 & 3 closed

 

CPU speed select switchable from keyboard

J12

pins 1 & 2 closed

Factory configured - do not alter

J17

N/A

Factory configured - do not alter

J18

N/A

Shadow RAM enabled

SW1/1

On

 

Shadow RAM disabled

SW1/1

Off

Factory configured - do not alter

SW1/2

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(2) 256K x 9

NONE

NONE

NONE

1MB

(2) 256K x 9

(2) 256K x 9

NONE

NONE

1.5MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

NONE

2MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

NONE

NONE

NONE

3MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

NONE

4MB

(2) 1M x 9

(2) 1M x 9

NONE

NONE

5MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

6MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

NONE

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

DRAM JUMPER/SWITCH CONFIGURATION

Size

J6

J7

SW1/5

SW1/6

SW1/7

SW1/8

512KB

2 & 3

2 & 3

Off

Off

Off

Off

1MB

2 & 3

2 & 3

On

Off

Off

Off

1.5MB

2 & 3

2 & 3

Off

On

Off

Off

2MB

2 & 3

2 & 3

On

On

Off

Off

2MB

1 & 2

1 & 2

Off

Off

On

On

3MB

2 & 3

1 & 2

Off

On

On

Off

4MB

1 & 2

1 & 2

On

Off

On

On

5MB

2 & 3

1 & 2

On

On

On

Off

6MB

1 & 2

1 & 2

Off

On

On

On

8MB

1 & 2

1 & 2

On

On

On

On

Note: Pins designated should be in the closed position.

DRAM WAIT STATE/WRITE SELECT CONFIGURATION

Wait state

Wait select

SW1/3

SW1/4

2

2

On

On

2

1

On

Off

1

1

Off

Off

BIOS CONFIGURATION

Size

J3

J4

27128

pins 1 & 2 closed

pins 1 & 2 closed

27256

pins 1 & 2 closed

pins 2 & 3 closed

27512

pins 2 & 3 closed

pins 2 & 3 closed