YOUNG MICRO SYTEMS, INC.

VEGA 3486S-VL

Processor

80386DX/80486SX/80487SX/80486DX/ODP486SX/80486DX2

Processor Speed

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

Chip Set

Symphony

Max. Onboard DRAM

64MB

Cache

64/256/1024KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J1

Turbo LED

J4

Power LED & keylock

J2

Turbo switch

J5

Reset

J3

32-bit VESA local bus slot

S1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

JP3

pins 1 & 2 closed

»

Factory configured - do not alter

JP12

pins 1 & 2 closed

»

Factory configured - do not alter

JP27

pins 1 & 2 closed

»

Factory configured - do not alter

JP34

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

NONE

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

3MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

NONE

4MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

5MB

(4) 1M x 9

(4) 256K x 9

NONE

NONE

6MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

NONE

7MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

9MB

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

NONE

10MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

13MB

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

NONE

NONE

20MB

(4) 1M x 9

(4) 4M x 9

NONE

NONE

24MB

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

NONE

28MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

NONE

NONE

36MB

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

NONE

40MB

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

48MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

NONE

52MB

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

64MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

64KB

(8) 8K x 8

256KB

(8) 32K x 8

1MB

(8) 128K x 8

CACHE JUMPER CONFIGURATION

Size

JP7

JP8

JP9

JP10

JP11

64KB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

256KB

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

1MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Note:Pins designated should be in the closed position

CPU TYPE CONFIGURATION

Type

JP13

JP14

JP15

JP16

JP17

80386DX

Open

Closed

1 & 2

1 & 2

1 & 2

80486SX

1 & 2

Open

2 & 3

2 & 3

2 & 3

80487SX

2 & 3

Open

2 & 3

2 & 3

2 & 3

80486DX

1 & 2

Open

2 & 3

2 & 3

2 & 3

80486DX-50

1 & 2

Open

2 & 3

2 & 3

2 & 3

Note:Pins designated should be in the closed position

CPU TYPE CONFIGURATION (CON’T)

Type

JP18

JP19

JP26

JP28

JP29

80386DX

Closed

Open

Open

Open

1 & 2

80486SX

Open

Open

Open

Open

2 & 3

80487SX

Open

Open

2 & 3

Closed

2 & 3

80486DX

Open

Open

1 & 2

Closed

2 & 3

80486DX-50

Open

Closed

1 & 2

Closed

2 & 3

Note:Pins designated should be in the closed position

CPU TYPE CONFIGURATION (CON’T)

Type

JP30

JP31

JP32

JP71

JP76

JP77

80386DX

1 & 2

1 & 2

Closed

Closed

Open

Closed

80486SX

2 & 3

2 & 3

Open

Open

Closed

Open

80487SX

2 & 3

2 & 3

Open

Open

Closed

Open

80486DX

2 & 3

2 & 3

Open

Open

Closed

Open

80486DX-50

2 & 3

2 & 3

Open

Open

Closed

Open

Note:Pins designated should be in the closed position

CPU SPEED CONFIGURATION

Speed

JP4

JP5

JP33

16/20/25MHz

Open

Closed

Open

33MHz

Open

Closed

pins 1 & 2 closed

33MHz

Closed

Open

pins 2 & 3 closed

50/66MHz

Open

Open

pins 2 & 3 closed

I/O WAIT STATE CONFIGURATION

Wait states

JP6

JP20

JP35

0

Closed

Open

Closed

1

Open

Closed

Open