RINGO TECHNOLOGY, INC.

RT486SX/DX (VLB)

Processor

80486SX/80486DX/80486DX2

Processor Speed

33/50(internal)/50/66(internal)MHz

Chip Set

OPTI

Video Chip Set

None

Maximum Onboard Memory

64MB

Maximum Video Memory

None

Cache

256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J6

Chassis fan power

P7

Speaker

P5

32-bit VESA local bus slots

SL1 & SL2

Power LED & keylock

P6

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Battery type select internal

J6

Pins 2 & 3 closed

 

Battery type select Vectra battery

J6

Open

 

CMOS memory clear

J6

Pins 3 & 4 closed

»

Factory configured - do not alter

JP1

Open

»

Factory configured - do not alter

JP12

Open

»

Factory configured - do not alter

JP13

Open

»

Monitor type select color/EGA/VGA

JP21

Closed

 

Monitor type select monochrome

JP21

Open

»

Factory configured - do not alter

JP23

Open

»

Standard VESA card in SL1

JP24

Pins 2 & 3 closed

»

Battery type select Ni Cad

JP26

Pins 2 & 3 closed

»

Factory configured - do not alter

JP27

Pins 1 & 2 closed

»

Factory configured - do not alter

JP28

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(4) 1M x 9

None

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

None

20MB

(4) 1M x 9

(4) 4M x 9

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

64MB

(4) 16M x 9

None

CACHE CONFIGURATION

Note: Board is factory installed with 256KB cache and is not configurable. The location of the cache is unidentified.

CACHE JUMPER CONFIGURATION

Size

JP10

JP11

JP16

JP17

256KB

Pins 2 & 3 closed

Pins 2 & 3 closed

Closed

Closed

CPU SPEED SELECTION

Speed

JP6

JP7

JP8

JP9

JP22

33MHz

Open

Open

Closed

1 & 2

Open

50iMHz

Open

Open

Open

1 & 2

Closed

50MHz

Open

Closed

Open

1 & 2

Open

66iMHz

Open

Open

Closed

1 & 2

Open

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION

Type

JP2

JP14

JP15

JP18

JP19

JP20

JP25

80486SX

Open

Closed

Closed

Open

2 & 3

1 & 2

2 & 3

80486DX

Closed

Closed

Closed

Closed

1 & 2

1 & 2

2 & 3

80486DX2

Closed

Closed

Closed

Closed

1 & 2

1 & 2

2 & 3

Note: Pins designated should be in the closed position.