UNIDENTIFIED

SCAT-SX

Processor

80386SX

Processor Speed

20/25MHz

Chip Set

Unidentified

Max. Onboard DRAM

16MB

Cache

32KB (located on external cache card)

BIOS

Unidentified

Dimensions

220mm x 220mm

I/O Options

External cache card slot

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J1

Power LED & keylock

J5

Turbo switch

J2

External battery

J7

Turbo LED

J3

External cache card slot

S1

Speaker

J4

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select color

P03

pins 2 & 3 closed

 

Monitor type select monochrome

P03

pins 1 & 2 closed

»

CMOS memory normal operation

P04

Closed

 

CMOS memory clear

P04

Open

»

CMOS memory normal operation (External battery)

P05

Open

 

CMOS memory normal operation (Internal battery)

P05

Closed

»

Pipeline mode enabled

P18

Closed

 

Pipeline mode disabled

P18

Open

»

NPU RDY signal enabled

P19

Closed

 

NPU RDY signal disabled or NPU not installed

P19

Open

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

8MB

(2) 4M x 9

NONE

NONE

NONE

12MB

(2) 1M x 9

(2) 1M x 9

(2) 4M x 9

NONE

16MB

(2) 4M x 9

(2) 4M x 9

NONE

NONE

CACHE JUMPER CONFIGURATION

Size

P11

P12

P13

P14

P15

16KB/DM

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

16KB/TWS

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

32KB/DM

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 2 & 3

32KB/TWS

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

Note:DM = Direct mapped and TWS = Two-wait associative.

Pins designated should be in the closed position.