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VEGA VS486F-3VL

UNIDENTIFIED

VEGA VS486F-3VL

Processor

80486SX/80486DX/80486DX2/ODP586SX

Processor Speed

25/33/50(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

J1

Turbo LED

JP23

Power LED & keylock

JP20

Turbo switch

JP24

Speaker

JP21

32-bit VESA Local bus slots

S1, S2 & S3

Reset switch

JP22

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

CMOS memory normal operation

J2

pins 1 & 2 closed

 

CMOS memory clear

J2

pins 3 & 4 closed

 

BIOS type select regular (27C512)

JP2

pins 1 & 2 closed

 

BIOS type select flash (28F001BX)

JP2

pins 2 & 3 closed

Batterly select internal

JP3

Closed

 

Battery select external

JP3

Open

Factory configured - do not alter

JP12

Closed

Factory configured - do not alter

JP15

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 JUMPER CONFIGURATION

Size

JP8

JP9

JP19

JP25

JP26

64KB

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

256KB

pins 1 & 2

pins 1 & 2

pins 2 & 3

pins 2 & 3

pins 2 & 3

1MB

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 2 & 3

Note:Pins designated should be in the closed postion.

SRAM CONFIGURATION

Size

Max Cachable

Cache

TAG

64KB

8MB

(8) 8K x 8

(1) 8K x 8

256KB

32MB

(8) 32K x 8

(1) 32K x 8

1MB

64MB

(8) 128K x 8

(1) 128K x 8

CPU TYPE CONFIGURATION

CPU

JP7

JP10

JP17

80486SX

Open

pins 2 & 3 closed

Open

All others

Closed

pins 1 & 2 closed

Closed

CPU SPEED CONFIGURATION

Speed

JA1

JP4

JP5

JP6

JP11

JP13

JP14

JP16

JP18

25/50i MHz

2 & 3

2 & 3

Open

Closed

2 & 3

Open

Closed

Open

Open

33/66i MHz

2 & 3

2 & 3

Closed

Open

2 & 3

Open

Closed

Open

Open

50MHz

1 & 2

1 & 2

Open

Closed

1 & 2

Closed

Open

Closed

Closed

Note:Pins designated should be in the closed postion.