JOINDATA SYSTEMS, INC.

G486EVL

Processor

80486SX/80487SX/80486DX/ODP486SX/80486DX2

Processor Speed

16/20/25/33/50(internal)/50/66(internal)MHz

Chip Set

EFAR

Max. Onboard DRAM

32MB

Cache

64/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

32-bit VESA local bus slots

J1 & J2

Power LED & keylock

J13

Turbo LED

J10

Reset switch

J14

Turbo switch

J11

External battery

JP2

Speaker

J12

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

JP1

pins 2 & 3 closed

 

CMOS memory clear

JP1

pins 1 & 2 closed

»

CPU speed select 20/25/33MHz

JP33

pins 2 & 3 closed

 

CPU speed select 50MHz

JP33

pins 1 & 2 closed

»

VESA bus select 0 wait states

JP34

pins 1 & 2 closed

 

VESA bus select 1 wait state

JP34

pins 2 & 3 closed

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

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

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

JP13

JP14

JP15

64KB

Open

Open

Open

256KB

Closed

Closed

Closed

CPU TYPE CONFIGURATION

Type

OSC1

JP9

JP12

JP17

JP18

80486SX-20

20MHz

2 & 3

Open

2 & 3

Open

80486SX-20

40MHz

1 & 2

Open

2 & 3

Open

80486SX-25

25MHz

2 & 3

Open

2 & 3

Open

80486SX-25

50MHz

1 & 2

Open

2 & 3

Open

80486DX-25

50MHz

1 & 2

2 & 3

1 & 2

Closed

80486DX-25

25MHz

2 & 3

2 & 3

1 & 2

Closed

80487SX-25

50MHz

1 & 2

1 & 2

1 & 2

Closed

80487SX-25

25MHz

2 & 3

1 & 2

1 & 2

Closed

80486DX-33

66MHz

1 & 2

2 & 3

1 & 2

Closed

80486DX-33

33MHz

2 & 3

2 & 3

1 & 2

Closed

80486DX2-50

25MHz

2 & 3

2 & 3

1 & 2

Closed

80486DX2-66

33MHz

2 & 3

2 & 3

1 & 2

Closed

Note:Pins designated should be in the closed position.