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VEGA VS3486-3VL

UNIDENTIFIED

VEGA VS3486-3VL

Processor

80386DX/80486SX/80486DX/80486DX2

Processor Speed

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

Chip Set

Symphony

Max. Onboard DRAM

32MB

SRAM Cache

64/256/1024KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit Vesa local bus slots (3)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

BAT

32-bit Vesa local bus slots

S1, S2 & S3

Power LED & keylock

KEYL

Turbo switch

SPD

Turbo LED

LED

Speaker

SPK

Reset switch

RST

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Batterly select internal

BT1

Closed

 

Battery select external

BT1

Open

CMOS memory normal operation

CMOS

pins 3 & 4 closed

 

CMOS memory clear

CMOS

pins 1 & 2 closed

 

BIOS type select normal (27C512)

EPR

pins 1 & 2 closed

 

BIOS type select flash (28F001BX)

EPR

pins 2 & 3 closed

Factory configured - do not alter

JP19

Closed

Factory configured - do not alter

JP30

Closed

Factory configured - do not alter

JP31

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

8MB

(4) 1M x 9

(4) 1M x 9

17MB

(4) 256K x 9

(4) 4M 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

SRAM CONFIGURATION

Size

Cache

TAG

64KB

(8) 8K x 8

(1) 8K x 8

256KB

(8) 32K x 8

(1) 32K x 8

1024KB

(8) 128K x 8

(1) 128K x 8

SRAM JUMPER CONFIGURATION

Size

JP10

JP11

JP12

JP15

JP16

64KB

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

256KB

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 1 & 2

pins 1 & 2

1024KB

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 2 & 3

Note:Pins designated should be in the closed postion.

CPU TYPE CONFIGURATION

Jumper

80386DX

80486SX

80486DX

80486DX2

JP6

Open

Closed

Closed

Closed

JP7

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

JP8

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

JP9

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

JP13

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

JP14

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

JP17

pins 1 & 2 open

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

JP20

Closed

Open

Open

Open

JP21

Open

Closed

Closed

Closed

JP24

Closed

Open

Open

Open

JP34

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

JP35

Closed

Open

Closed

Closed

JP36

Closed

Open

Closed

Closed

CPU SPEED CONFIGURATION

Speed

JP4

JP5

JP18

JP22A

JP22

JP23

JP32

JP33

25/50i MHz

Open

Closed

Closed

2 & 3

1 & 2

2 & 3

Open

Open

33/66i MHz

Closed

Open

Closed

2 & 3

1 & 2

2 & 3

Open

Open

40MHz

Open

Open

Open

2 & 3

1 & 2

2 & 3

Closed

Open

50MHz

Open

Closed

Open

1 & 2

2 & 3

1 & 2

Closed

Closed

Note:Pins designated should be in the closed postion.