CACHE COMPUTERS, INC.

LYNX 486 WORKSTATION (Model 335)

Processor

80486SX/80487SX/80486DX

Processor Speed

33MHz

Chip Set

Unknown

Max. Onboard DRAM

64MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Parallel port, IDE interface, serial ports (2). PS/2 bus mouse, floppy drive interface, VGA port, video option connector

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

BAT

IDE interface LED

J3

VGA port

C1

Speaker

J5

PS/2 bus mouse

C2

Power LED & keylock

J6

Parallel port

C3

Reset switch

J7

Serial port 1

C4

Turbo switch

J800

Serial port 2

C5

Turbo LED

J801

Floppy drive interface

FDD

Video option

VC

IDE interface

HDD

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

Floppy drive controller (on-board) select primary

W1

Open

 

Floppy drive controller (on-board) select secondary

W1

Closed

»

Monitor type select monochrome

W3

Open

 

Monitor type select color

W3

Closed

»

IDE controller (on-board) select primary

W4

Open

 

IDE controller (on-board) select secondary

W4

Closed

»

Serial port 1 (C4) select COM1

W5

Open

 

Serial port 1 (C4) select COM3

W5

Closed

»

Serial port 2 (C5) select COM2

W6

Open

 

Serial port 2 (C5) select COM4

W6

Closed

»

Parallel port (C3) select LPT1

W8

Open

 

Parallel port (C3) select LPT2

W8

Closed

»

Factory configured - do not alter

W10

N/A

»

Cache enabled

W15

Open

 

Cache disabled

W15

Closed

»

Color chip installed select Sierra

JP200

Open

 

Color chip installed select Music

JP200

Closed

»

Mouse port/Floppy controller enabled

JP201

Closed

 

Mouse port/Floppy controller disabled

JP201

Open

»

Video RAM installed select 512KB

JP205

pins 1 & 2 closed

 

Video RAM installed select 1MB

JP205

pins 2 & 3 closed

»

Video RAM speed select 80ns

JP207

pins 1 & 2 closed

 

Video RAM speed select 100ns

JP207

pins 2 & 3 closed

»

CMOS memory normal operation

JP504

Open

 

CMOS memory clear

JP504

Closed

»

VGA enabled

JP550

pins 1 & 2 closed

 

VGA disabled

JP550

pins 2 & 3 closed

»

Oscillator installed select Regular

JP705

pins 2 & 3 closed

 

Oscillator installed select Tri-state

JP705

pins 1 & 2 closed

»

Floppy disk controller enabled

SW3/1

Off

 

Floppy disk controller disabled

SW3/1

On

»

IDE controller enabled

SW3/2

Off

 

IDE controller disabled

SW3/2

On

»

Serial port 1 enabled

SW3/3

Off

 

Serial port 1 disabled

SW3/3

On

»

Serial port 2 enabled

SW3/4

Off

 

Serial port 2 disabled

SW3/4

On

»

Parallel port enabled

SW3/5

Off

 

Parallel port disabled

SW3/5

On

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

NONE

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

3MB

(4) 256K x 9

(4) 256K x 9

(1) 256K x 36

NONE

4MB

(4) 256K x 9

(4) 256K x 9

(1) 256K x 36

(1) 256K x 36

4MB

(4) 1M x 9

NONE

NONE

NONE

5MB

(4) 1M x 9

(4) 256K x 9

NONE

NONE

6MB

(4) 1M x 9

(4) 256K x 9

(1) 256K x 36

NONE

7MB

(4) 1M x 9

(4) 256K x 9

(1) 256K x 36

(1) 256K x 36

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

9MB

(4) 1M x 9

(4) 1M x 9

(1) 256K x 36

NONE

10MB

(4) 1M x 9

(4) 1M x 9

(1) 256K x 36

(1) 256K x 36

12MB

(4) 1M x 9

(4) 1M x 9

(1) 1M x 36

NONE

13MB

(4) 1M x 9

(4) 1M x 9

(1) 1M x 36

(1) 256K x 36

16MB

(4) 1M x 9

(4) 1M x 9

(1) 1M x 36

(1) 1M x 36

16MB

(4) 4M x 9

NONE

NONE

NONE

17MB

(4) 4M x 9

(4) 256K x 9

NONE

NONE

18MB

(4) 4M x 9

(4) 256K x 9

(1) 256K x 36

NONE

19MB

(4) 4M x 9

(4) 256K x 9

(1) 256K x 36

(1) 256K x 36

20MB

(4) 4M x 9

(4) 1M x 9

NONE

NONE

21MB

(4) 4M x 9

(4) 1M x 9

(1) 256K x 36

NONE

22MB

(4) 4M x 9

(4) 1M x 9

(1) 256K x 36

(1) 256K x 36

24MB

(4) 4M x 9

(4) 1M x 9

(1) 1M x 36

NONE

25MB

(4) 4M x 9

(4) 1M x 9

(1) 1M x 36

(1) 256K x 36

28MB

(4) 4M x 9

(4) 1M x 9

(1) 1M x 36

(1) 1M x 36

32MB

(4) 4M x 9

(4) 4M x 9

NONE

NONE

33MB

(4) 4M x 9

(4) 4M x 9

(1) 256K x 36

NONE

34MB

(4) 4M x 9

(4) 4M x 9

(1) 256K x 36

(1) 256K x 36

36MB

(4) 4M x 9

(4) 4M x 9

(1) 1M x 36

NONE

37MB

(4) 4M x 9

(4) 4M x 9

(1) 1M x 36

(1) 256K x 36

40MB

(4) 4M x 9

(4) 4M x 9

(1) 1M x 36

(1) 1M x 36

48MB

(4) 4M x 9

(4) 4M x 9

(1) 4M x 36

NONE

49MB

(4) 4M x 9

(4) 4M x 9

(1) 4M x 36

(1) 256K x 36

52MB

(4) 4M x 9

(4) 4M x 9

(1) 4M x 36

(1) 1M x 36

64MB

(4) 4M x 9

(4) 4M x 9

(1) 4M x 36

(1) 4M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(2) 16K x 4

128KB

(4) 32K x 8

NONE

(2) 16K x 4

256KB

(4) 32K x 8

(4) 32K x 8

(2) 16K x 4

CACHE JUMPER CONFIGURATION

Size

W9

W11

W16

W17

64KB

pins 1 & 2 closed

pins 1 & 2 closed

Open

pins 2 & 3 closed

128KB

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

JP502

W7

W14

80486SX

pins 2 & 3 closed

Closed

pins 2 & 3 closed

80487SX

pins 1 & 2 closed

Open

pins 1 & 2 and 3 & 4 closed

80486DX

pins 1 & 2 closed

Open

pins 1 & 2 and 3 & 4 closed

VIDEO CONFIGURATION

VGA Resolution

SW10/1

SW10/2

SW10/3

1024 x 768 @ 70Hz

On

On

On

1024 x 768 @ 60Hz

Off

On

On

1024 x 768 @ 43Hz

On

Off

On

800 x 600 @ 70Hz

On

On

Off

800 x 600 @ 60Hz

Off

On

Off

800 x 600 @ 56Hz

Off

Off

On

640 x 480 @ 70Hz

On

Off

Off

640 x 480 @ 60Hz

Off

Off

Off

PAL CONFIGURATION

Setting

JP221

JP222

Enabled

pins 1 & 2 closed

pins 2 & 3 closed

Disabled

pins 2 & 3 closed

pins 1 & 2 closed