SEANIX TECHNOLOGY, INC.

3486-VLB

Processor

80386DX/CX486DLC/80486SX/80487SX/80486DX/80486DX2

Processor Speed

20/25/33/40/50(internal)/50/66(internal)MHz

Chip Set

EFAR

Max. Onboard DRAM

32MB

Cache

32/64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2)

NPU Options

80387DX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JP2

Turbo LED

JP36

Power LED & keylock

JP27

Turbo switch

JP39

Speaker

JP29

32-bit VESA local bus slots

SL1 & SL2

Reset switch

JP35

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation/internal battery

JP1

pins 1 & 2 closed

 

CMOS memory clear/external battery

JP1

pins 2 & 3 closed

»

Factory configured - do not alter

JP3

Open

»

Factory configured - do not alter

JP20

Open

»

Factory configured - do not alter

JP40

pins 2 & 3 closed

»

Factory configured - do not alter

JP41

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) 1M x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 4M x 9

(4) 256K 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

32KB

(4) 8K x 8

NONE

(1) 8K x 8

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP13

JP14

JP15

JP16

JP21

JP22

JP23

32KB

Open

Open

2 & 3

Open

1 & 2

2 & 3

2 & 3

64KB

Open

Open

2 & 3

Closed

1 & 2

1 & 2

1 & 2

128KB

Closed

Open

1 & 2

Closed

2 & 3

1 & 2

2 & 3

256KB

Closed

Closed

1 & 2

Closed

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP4

JP7

JP8

JP9

JP12

JP17

JP18

JP19

80386SX

1 & 2

1 & 2

1 & 2

1 & 2

Open

Open

Open

Closed

CX486DLC

2 & 3

1 & 2

2 & 3

1 & 2

Open

Open

Open

Closed

80486SX

2 & 3

2 & 3

1 & 2

2 & 3

Open

2 & 3

Open

Open

80487SX

2 & 3

2 & 3

1 & 2

2 & 3

1 & 2

1 & 2

Closed

Open

80486DX

2 & 3

2 & 3

1 & 2

2 & 3

2 & 3

1 & 2

Closed

Open

80486DX2

2 & 3

2 & 3

1 & 2

2 & 3

2 & 3

1 & 2

Closed

Open

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

JP25

JP26

JP28

JP31

JP32

JP37

JP38

80386SX

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

Open

Open

CX486DLC

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

Open

Open

80486SX

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

Closed

Closed

80487SX

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

Closed

Closed

80486DX

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

Closed

Closed

80486DX2

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

Closed

Closed

Note: Pins designated should be in the closed position.

VESA ID BUS CONFIGURATION

ID

JP34

ID2 = 0

pins 2 & 3 closed

ID2 = 1

pins 1 & 2 closed

VESA ID BUS CONFIGURATION

ID

JP33

ID3 = 0

pins 2 & 3 closed

ID3 = 1

pins 1 & 2 closed

VESA ID BUS CONFIGURATION

ID

JP30

ID4 = 0

pins 2 & 3 closed

ID4 = 1

pins 1 & 2 closed