WYSE TECHNOLOGY, INC.

WYSESYSTEM 386 MODEL 3225

Processor

80386DX

Processor Speed

25MHz

Chip Set

WYSE

Max. Onboard DRAM

16MB

Cache

64KB

BIOS

WYSE

Dimensions

334mm x 122mm

I/O Options

Proprietary top plane local bus connector, serial ports (2)

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

C1

Serial port two

J5

Front panel connector

C2

Card edge connector

S1

Power good/Speaker

C3

Top plane local bus connector

S2

Serial port one

C4

 

 

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

WA

Closed

»

Factory configured - do not alter

WB

Closed

»

Parity check enabled

WE

Closed

 

Parity check disabled

WE

Open

»

Factory test disabled

WF

pins 1 & 2 closed

 

Factory test enabled

WF

pins 2 & 3 closed

»

Monitor type select color

WG

pins 2 & 3 closed

 

Monitor type select monochrome

WG

pins 1 & 2 closed

»

Factory configured - do not alter

WH

Closed

»

Factory configured - do not alter

WI

Open

»

NPU disabled

WJ

Closed

 

NPU enabled

WJ

Open

»

Factory configured - do not alter

WK

pins 1 & 2 closed

»

Hidden refresh enabled

WL

pins 1 & 2 closed

 

Hidden refresh disabled

WL

pins 1 & 2 closed

»

Factory configured - do not alter

WM

pins 1 & 2 closed

»

Factory configured - do not alter

WN

pins 1 & 2 closed

»

Factory configured - do not alter

WV

Closed

KEYBOARD SCANNER CONFIGURATION

Setting

WP

WQ

WR

WS

WT

WU

1 chip installed at 6D

Closed

Closed

Closed

Closed

Closed

Closed

2 chips installed at 6A and 6D

Open

Open

Open

Open

Open

Open

BIOS CONFIGURATION

Jumper

WC

WD

27128

pins 2 & 3 closed

pins 2 & 3 closed

27256

pins 1 & 2 closed

pins 2 & 3 closed

27512

pins 1 & 2 closed

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(4) 1M x 9

NONE

NONE

NONE

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

DRAM SWITCH CONFIGURATION

Size

SW1/3

SW1/4

SW1/5

SW1/6

SW2/1

4MB

On

Off

Off

Off

Off

8MB

Off

On

Off

Off

On

12MB

On

On

Off

Off

On

16MB

Off

Off

On

Off

On

DRAM SWITCH CONFIGURATION (CON'T)

Size

SW2/2

SW2/3

SW2/4

SW2/5

SW2/6

4MB

Off

Off

Off

Off

Off

8MB

Off

Off

Off

Off

Off

12MB

Off

On

Off

Off

Off

16MB

Off

On

Off

On

Off

DRAM SPLIT CONFIGURATION

Memory Split

SW1/1

SW1/2

»

640KB/384KB

On

On

 

512KB/512KB

Off

On

 

256KB/786KB

On

Off