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VS3486F/S-3VL

YOUNG MICRO SYSTEMS, INC.

VS3486F/S-3VL

Processor

80386DX/80486DLC/80486SX/80486DX/80486DX2

Processor Speed

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

Chip Set

Symphony

Max. Onboard DRAM

32MB

Cache

64/256/1024KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387DX/80487SX

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo switch

CN1

Power LED & keylock

CN4

Turbo LED

CN2

Speaker

CN5

Reset switch

CN3

   

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

CPU TYPE CONFIGURATION

Type

JP24

JP25

JP28

JP32

JP33

JP34

JP35

JP36

80386DX

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

Closed

Closed

80486SX

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Open

Open

80486DLC

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

Closed

Closed

Note:Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP37

JP38

JP39

JP40

JP41

JP42

JP43

JP44

80386DX

Open

Open

Closed

Open

Open

Open

Open

1 & 2

80486SX

Open

Open

Open

Open

Open

Open

Closed

2 & 3

80486DLC

Open

Open

Closed

Open

Open

Open

Open

1 & 2

Note:Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

JP24

JP25

JP28

JP32

JP33

JP34

JP35

JP36

25MHz

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Open

Open

33MHz

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Open

Open

50i MHz

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Open

Open

50MHz

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Open

Open

66i MHz

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Open

Open

Note:Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

JP37

JP38

JP39

JP40

JP41

JP42

JP43

JP44

25MHz

Open

Open

Open

Closed

Closed

Closed

Open

2 & 3

33MHz

Open

Open

Open

Closed

Closed

Closed

Open

2 & 3

50I MHz

Open

Open

Open

Closed

Closed

Closed

Open

2 & 3

50MHz

Closed

Closed

Open

Open

Closed

Closed

Open

2 & 3

66I MHz

Open

Open

Open

Closed

Closed

Closed

Open

2 & 3

Note:Pins designated should be in the closed position.

CACHE CONFIGURATION

Size

Cache

64KB

(9) 8K x 8

256KB

(9) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP26

JP27

JP31

64KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed