Processor

80386SX

Processor Speed

16MHz

Chip Set

C & T

Max. onboard DRAM

2MB

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

B1

Front panel connector

J2

Speaker

J1

16-Bit Memory cards

S1 & S2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

8-bit bus select 2 wait state

W1

pins 2 & 3 closed

8-bit bus select 1 wait state

W1

pins 1 & 2 closed

»

16-bit bus select 2 wait state

W2

pins 2 & 3 closed

16-bit bus select 2 wait state

W2

pins 1 & 2 closed

»

Factory configured - do not alter

W3

pins 1 & 2 closed

»

Factory configured - do not alter

W4

pins 1 & 2 closed

»

Factory configured - do not alter

W5

pins 2 & 3 closed

»

Factory configured - do not alter

W6

pins 2 & 3 closed

»

CPU speed select high

W7

pins 2 & 3 closed

CPU speed select low

W7

pins 1 & 2 closed

CPU speed select high only

W7

Open

»

Monitor type select color

W8

pins 1 & 2 closed

Monitor type select monochrome

W8

pins 2 & 3 closed

SYSTEM DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

SW5

SW6

512KB

(4) 44256

NONE

NONE

NONE

On

On

1MB

(4) 44256

(4) 44256

NONE

NONE

Off

On

2MB

(4) 44256

(4) 44256

(4) 44256

(4) 44256

Off

Off

16-BIT MEMORY CARD CONFIGURATION

Starting Address

SW1

SW2

SW3

SW4

512KB

Closed

Closed

Closed

Closed

1MB + 384KB

Open

Closed

Closed

Closed

2MB + 384KB

Open

Open

Closed

Closed

4MB + 384KB

Open

Open

Open

Closed

Disabled

Open

Open

Open

Open

MEMORY CARD DRAM CONFIGURATION 1 CARD

Size

Bank 0

Bank 1

Bank 2

Bank 3

W1

512KB

(18) 41256

NONE

NONE

NONE

pins 1 & 2 closed

1MB

(18) 41256

(18) 41256

NONE

NONE

pins 1 & 2 closed

1.5MB

(18) 41256

(18) 41256

(18) 41256

NONE

pins 1 & 2 closed

2MB

(18) 41256

(18) 41256

(18) 41256

(18) 41256

pins 1 & 2 closed

2MB

(18) 411000

NONE

NONE

NONE

pins 2 & 3 closed

4MB

(18) 411000

(18) 411000

NONE

NONE

pins 2 & 3 closed

6MB

(18) 411000

(18) 411000

(18) 411000

NONE

pins 2 & 3 closed

8MB

(18) 411000

(18) 411000

(18) 411000

(18) 411000

pins 2 & 3 closed

MEMORY CARD DRAM CONFIGURATION 2 CARDS

Size

Bank 0/card 2

Bank 1/card 2

Bank 2/card 2

Bank 3/card 2

W1

2.5MB

(18) 41256

NONE

NONE

NONE

pins 1 & 2 closed

3MB

(18) 41256

(18) 41256

NONE

NONE

pins 1 & 2 closed

3.5MB

(18) 41256

(18) 41256

(18) 41256

NONE

pins 1 & 2 closed

4MB

(18) 41256

(18) 41256

(18) 41256

(18) 41256

pins 1 & 2 closed

4MB

(18) 411000

NONE

NONE

NONE

pins 2 & 3 closed

8MB

(18) 411000

(18) 411000

NONE

NONE

pins 2 & 3 closed

12MB

(18) 411000

(18) 411000

(18) 411000

NONE

pins 2 & 3 closed

16MB

(18) 411000

(18) 411000

(18) 411000

(18) 411000

pins 2 & 3 closed

MEMORY CARD SWITCH CONFIGURATION

Total

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

1MB

Off

Off

Off

On

Off

On

On

2MB

Off

Off

On

Off

Off

On

On

2.5MB

Off

Off

On

Off

On

On

On

3MB

Off

Off

On

On

Off

On

On

3.5MB

Off

Off

On

On

On

On

On

4MB

Off

On

On

On

On

On

On

5MB

Off

On

Off

On

Off

On

On

6MB

Off

On

On

Off

Off

On

On

7MB

Off

On

On

On

Off

On

On

8MB

On

Off

Off

Off

Off

On

On

9MB

On

Off

Off

On

Off

On

On

10MB

On

Off

On

Off

On

On

On

11MB

On

Off

On

On

Off

On

On

12MB

On

On

Off

Off

Off

On

On

16MB

On

On

On

On

On

On

On

Note: Total refers to the total amount of memory installed (i.e. Memory on the mainboard, any cards installed previous to this one, and the memory on this card.)SW1/1 is not used and should not be altered.

MEMORY CARD SWITCH CONFIGURATION

Size

SW2/1

SW2/2

SW2/3

SW2/4

512KB

On

On

On

On

1MB

On

On

On

Off

1.5MB

On

On

Off

Off

2MB

On

Off

Off

Off

2MB

Off

On

On

On

4MB

Off

On

On

Off

6MB

Off

On

Off

Off

8MB

Off

Off

Off

Off

Note: These switch settings are for the memory installed on the card being configured only. This does not include any memory installed on other cards or on the mainboard.