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VEGA 486F-VL

YOUNG MICRO SYTEMS, INC.

VEGA 486F-VL

Processor

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

Processor Speed

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

Chip Set

Vega

Max. Onboard DRAM

32MB

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 switch

J5

Power LED & keylock

J2

External battery

JP1

Reset switch

J3

32-bit VESA local bus slot

S1

Turbo LED

J4

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

JP2

Closed

 

Monitor type select monochrome

JP2

Open

CMOS memory normal operation

JP3

pins 1 & 2 closed

 

CMOS memory clear

JP3

pins 2 & 3 closed

Factory configured - do not alter

JP4

pins 1 & 2 closed

I/O wait states select zero

JP5

Open

 

I/O wait states select one

JP5

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

NONE

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

32MB

(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

JP11

JP12

JP13

JP14

JP15

JP16

JP17

64KB

Open

Open

Open

Open

1 & 2

Closed

1 & 2, 2 & 3

256KB

Open

Open

Closed

Closed

2 & 3

Open

1 & 2, 2 & 3

1MB

Closed

Closed

Closed

Closed

2 & 3

Open

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP8

JP9

JP10

80486SX

Open

Open

pins 2 & 3 closed

ODP486SX

Open

Open

pins 2 & 3 closed

80487SX

pins 2 & 3 closed

Closed

pins 1 & 2 closed

80486DX

pins 1 & 2 closed

Closed

pins 1 & 2 closed

80486DX2

pins 1 & 2 closed

Closed

pins 1 & 2 closed

CPU SPEED CONFIGURATION

Speed

JP6

JP7

16/20/25/33MHz

open

closed

40MHz

closed

open

50MHz

closed

closed