£ 33MHz JOINDATA SYSTEMS, INC.

G486SVL

Processor

80486SX/80486DX

Processor Speed

20/25/33MHz

Chip Set

Symphony

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

287mm x 218mm

I/O Options

32-bit VESA local bus slots (2)

NPU Options

None

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 slots

S1 & S2

Speaker

J12

 

 

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

JP3

Open

 

CMOS memory clear

JP3

Closed

 

Wait states select 0

JP24

Open

 

Wait state select 1

JP24

Closed

 

CPU speed select £ 33MHz

JP25

Open

 

CPU speed select > 33MHz

JP25

Closed

»

Factory configured - do not alter

JP26

Closed

»

Factory configured - do not alter

JP27

Closed

»

Factory configured - do not alter

JP29

Closed

»

Monitor type select color

JP30

Closed

 

Monitor type select monochrome

JP30

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

5MB

(4) 1M x 9

(4) 256K 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

17MB

(4) 4M x 9

(4) 256K x 9

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

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 32K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP7

JP8

JP14

JP15

JP16

JP18

JP20

JP21

JP23

JP28

64KB

Open

2 & 3

2 & 3

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

open

Open

128KB

2 & 3

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Closed

256KB

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

Open

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP5

JP6

JP11

80486SX

Open

pins 1 & 2 closed

Open

80486DX

Closed

pins 2 & 3 closed

Closed

CPU SPEED CONFIGURATION

Speed

JP4

JP9

iOSC/2

Open

pins 2 & 3 closed

iOSC/1

Closed

pins 1 & 2 closed