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