JOINDATA SYSTEMS, INC.

G486PLB

Processor

80486SX/80487SX/80486DX

Processor Speed

20/25/33/50MHz

Chip Set

OPTI

Max. Onboard DRAM

32MB

Cache

64/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit local bus VGA card slot

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J9

Power LED & keylock

J13

Turbo LED

J10

External battery

J14

Turbo switch

J11

32-bit VESA local bus slot

S1

Speaker

J12

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Monitor type select color

JP1

Closed

 

Monitor type select monochrome

JP1

Open

»

Power good signal detect from power supply

JP2

pins 1 & 2 closed

 

Power good signal detect from board

JP2

pins 2 & 3 closed

»

CMOS memory normal operation

JP3

pins 2 & 3 closed

 

CMOS memory clear

JP3

pins 1 & 2 closed

»

Factory configured - do not alter

JP10

pins 1 & 2 closed

»

Factory configured - do not alter

JP11

pins 1 & 2 closed

»

Factory configured - do not alter

JP12

pins 1 & 2 closed

»

Factory configured - do not alter

JP25

Open

»

Factory configured - do not alter

JP50

Open

»

VESA local bus enabled

JP100

Open

 

VESA local bus disabled

JP100

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 8

NONE

2MB

(4) 256K x 8

(4) 256K x 8

4MB

(4) 1M x 8

NONE

5MB

(4) 256K x 8

(4) 1M x 8

8MB

(4) 1M x 8

(4) 1M x 8

16MB

(4) 4M x 8

NONE

20MB

(4) 1M x 8

(4) 4M x 8

32MB

(4) 4M x 8

(4) 4M x 8

CACHE CONFIGURATION

Size

Bank 0

TAG

64KB

(8) 8K x 8

(1) 8K x 8

256KB

(8) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP5

JP6

JP7

JP8

JP9

64KB

Open

Open

Open

Open

Open

256KB

Closed

Closed

Open

Closed

Open

CPU TYPE CONFIGURATION

Type

JP14

JP15

JP16

80486SX

Open

pins 2 & 3 closed

Open

80487SX

Closed

pins 1 & 2 closed

pins 1 & 2 closed

80486DX

Closed

pins 1 & 2 closed

pins 2 & 3 closed