HwMuseum | Index

LION COMPUTERS, INC.

NICE PLUS 486 DX/SX-50

Processor

80486SX/80487SX/80486DX

Processor Speed

16/20/25/33/50MHz

Chip Set

ETEQ

Max. Onboard DRAM

32MB

Cache

64/256KB

BIOS

AMI/MR/Phoenix

Dimensions

330mm x 218mm

I/O Options

32-bit external memory card slot

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

JP0

Power LED & keylock

JP3

Turbo switch

JP0A

External battery

JP21

Reset switch

JP1

32-bit external memory card

S1

Speaker

JP2

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

NPU wait states select 0

JP16

Open

 

NPU wait state select 1

JP16

Closed

»

CMOS memory normal operation

JP17

Open

 

CMOS memory clear

JP17

Closed

»

Factory configured - do not alter

JP18

Closed

»

Monitor type select color

JP20

Closed

 

Monitor type select monochrome

JP20

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 256K x 9

(4) 4M x 9

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

TAG

Location

64KB

(8) 8K x 8

(1) 8K x 8

U205

64KB

(8) 8K x 8

(2) 16K x 4

U501 & U502

256KB

(8) 32K x 8

(2) 16K x 4

U501 & U502

CACHE JUMPER CONFIGURATION

Size

JP10

JP11

JP12

JP13

JP14

64KB

Open

Open

Open

2 & 3

2 & 3

256KB

Closed

Closed

Closed

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP5

JP6

JP8

JP9

80486SX

Open

Open

pins 1 & 2 closed

Open

80487SX

Closed

Closed

pins 2 & 3 closed

pins 1 & 2 closed

80486DX

Open

Closed

pins 2 & 3 closed

pins 2 & 3 closed

CPU SPEED CONFIGURATION

Speed

JP0B

JP0C

JP4

JP7

16MHz

pins 1 & 2 closed

pins 1 & 2 closed

Closed

pins 1 & 2 closed

20MHz

pins 1 & 2 closed

pins 1 & 2 closed

Closed

pins 1 & 2 closed

25MHz

pins 2 & 3 closed

pins 1 & 2 closed

Closed

pins 1 & 2 closed

33MHz

pins 2 & 3 closed

pins 1 & 2 closed

Open

pins 1 & 2 closed

50MHz

pins 2 & 3 closed

pins 2 & 3 closed

Open

pins 2 & 4 closed