SIIG ,INC.

SX386 16N/SX386 20N

Processor

80386SX

Processor Speed

16/20MHz

Chip Set

C & T NEAT

Max. Onboard DRAM

8MB

SRAM Cache

None

BIOS

Phoenix

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Reset switch

J4

Power LED & keylock

J2

Turbo switch

J5

Speaker

J3

Turbo LED

J6

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Battery select internal

JP1

pins 2 & 3 closed

 

Battery select external

JP1

pins 1 & 2 closed

»

Factory configured - do not alter

JP3

open

»

Monitor type select Monochrome

JP4

pins 2 & 3 closed

 

Monitor type select color

JP4

pins 1 & 2 closed

»

NPU disabled

JP7

pins 2 & 3 closed

 

NPU enabled

JP7

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0 (SIPP)

Bank 1(SIPP)

Bank 2(DIP)

Bank 3(DIP)

JP5,JP6,JP8 - JP17

512KB

NONE

NONE

(18) 41256

NONE

pins 1 & 2 closed

512KB

(2) 256K x 9

NONE

NONE

NONE

pins 2 & 3 closed

640KB

NONE

NONE

(18) 41256

(18) 4164

pins 1 & 2 closed

1MB

NONE

NONE

(18) 41256

(18) 41256

pins 1 & 2 closed

1MB

(2) 256K x 9

(2) 256K x 9

NONE

NONE

pins 2 & 3 closed

1.5MB

(2) 256K x 9

NONE

(18) 41256

(18) 41256

pins 1 & 2 closed

1.5MB

(2) 256K x 9

(2) 256K x 9

(18) 41256

NONE

pins 2 & 3 closed

1.64MB

(2) 256K x 9

(2) 256K x 9

(18) 41256

(18) 4164

pins 1 & 2 closed

2MB

NONE

NONE

(18) 411000

NONE

pins 1 & 2 closed

2MB

(2) 256K x 9

(2) 256K x 9

(18) 41256

NONE

pins 2 & 3 closed

2MB

(2) 1M x 9

NONE

NONE

(18) 41256

pins 2 & 3 closed

3MB

(2) 1M x 9

NONE

(18) 41256

(18) 41256

pins 1 & 2 closed

3MB

(2) 256K x 9

(2) 256K x 9

(18) 411000

NONE

pins 2 & 3 closed

4MB

NONE

NONE

(18) 411000

(18) 411000

pins 1 & 2 closed

4MB

(2) 1M x 9

(2) 1M x 9

NONE

NONE

pins 2 & 3 closed

4.64MB

(2) 1M x 9

(2) 1M x 9

(18) 41256

(18) 4164

pins 1 & 2 closed

5MB

(2) 1M x 9

(2) 1M x 9

(18) 41256

(18) 41256

pins 1 & 2 closed

5MB

(2) 256K x 9

(2) 256K x 9

(18) 411000

(18) 411000

pins 2 & 3 closed

6MB

(2) 1M x 9

(2) 1M x 9

(18) 411000

NONE

pins 2 & 3 closed

6MB

(2) 1M x 9

NONE

(18) 411000

(18) 411000

pins 1 & 2 closed

8MB

(2) 1M x 9

(2) 1M x 9

(18) 411000

(18) 411000

pins 2 & 3 closed