WYSE TECHNOLOGY, INC.

WYSE DECISION 386SX/20

Processor

80386SX

Processor Speed

16/20MHz

Chip Set

WYSE

Max. Onboard DRAM

8MB

Cache

None

BIOS

WYSE

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J1

Turbo switch

J4

Power LED & keylock

J2

Turbo LED

J5

Speaker

J3

External battery

J6

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CPU speed select 20MHz

JP1

pins 1 & 2 closed

 

CPU speed select 16MHz

JP1

pins 2 & 3 closed

»

Monitor type select color

JP5

pins 1 & 2 closed

 

Monitor type select monochrome

JP5

pins 2 & 3 closed

»

Battery select internal

JP6

pins 1 & 2 closed

 

Battery select external

JP6

pins 2 & 3 closed

»

Power good signal detect from power supply

JP7

pins 2 & 3 closed

 

Power good signal detect from board

JP7

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

Bank 4

Bank 5

1MB 1

(8) 44256

(4) 41256

NONE

NONE

NONE

NONE

2MB 1

(8) 44256

(4) 41256

NONE

NONE

(2) 256K x 9

(2) 256K x 9

3MB 1

(8) 44256

(4) 41256

NONE

NONE

(2) 1M x 9

NONE

4MB

NONE

NONE

(2) 1M x 9

(2) 1M x 9

NONE

NONE

5MB 1

(8) 44256

(4) 41256

NONE

NONE

(2) 1M x 9

(2) 1M x 9

5MB

NONE

NONE

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

6MB

NONE

NONE

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

NONE

8MB

NONE

NONE

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

Note 1 :Banks 0 and 1 are filled at the factory with DIP chips.