...because we can't all be on the bleeding edge...





VEGA 486 GREEN AIO 2VLB

YOUNG MICRO SYSTEMS, INC.

VEGA 486 GREEN AIO 2VLB

Processor

80486SX/80486DX/80486DX2/80486DX4/Pentium Overdrive

Processor Speed

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

Chip Set

Symphony

Max. Onboard DRAM

128MB

Cache

64/128/256/512/1024KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2), floppy drive interface, IDE interface, parallel port, PS/2 mouse connector, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J1

Serial port 2

CN2

Speaker

J2

IDE interface

CN3

Turbo LED

J3

Floppy drive interface

CN4

Turbo switch

J4

PS/2 mouse connector

CN5

Power LED & keylock

J5

Parallel port

CN6

Resume connector

J6

IDE interface LED

IJ4

Serial port 1

CN1

32-bit VESA Local bus slots

SL1 & SL2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

IJP1

Open

Factory configured - do not alter

IJP2

Open

Factory configured - do not alter

IJP3

Open

Factory configured - do not alter

IW4/ 1 & 2

Open

Factory configured - do not alter

IW4/ 3 & 4

Open

Factory configured - do not alter

IW4/ 5 & 6

Open

Factory configured - do not alter

IW4/ 7 & 8

Open

IDE interface enabled

IW4/ 9 & 10

Open

 

IDE interface disabled

IW4/ 9 & 10

Closed

Factory configured - do not alter

JP9

Open

Factory configured - do not alter

JP10

Open

Cache control select combined

JP16

pins 1 & 2 closed

 

Cache control select separate

JP16

pins 2 & 3 closed

Monitor type select color

JP17

Closed

 

Monitor type select monochrome

JP17

Open

BIOS type select regular

JP18

pins 1 & 2 closed

 

BIOS type select flash EPROM

JP18

pins 2 & 3 closed

Factory configured - do not alter

JP22

Open

Factory configured - do not alter

JP23

Open

Factory configured - do not alter

JP24

Open

Factory configured - do not alter

JP28

Open

Factory configured - do not alter

JP29

Open

Factory configured - do not alter

JP30

Open

Factory configured - do not alter

JP31

Open

Factory configured - do not alter

W1

Open

Factory configured - do not alter

W2

Open

Factory configured - do not alter

W3

Open

Factory configured - do not alter

W4

Open

Factory configured - do not alter

W5

Open

Factory configured - do not alter

W6

Open

Parallel port IRQ select IRQ7

W11

pins 2 & 3 closed

 

Parallel port IRQ select IRQ5

W11

pins 1 & 2 closed

Factory configured - do not alter

W12

Open

Onboard port select enabled

WT1

Open

 

Onboard port select disabled

WT1

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

NONE

NONE

NONE

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 2M x 36

NONE

NONE

NONE

16MB

(1) 4M x 36

NONE

NONE

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG (U1 & U2)

64KB

(4) 8K x 8

(4) 8K x 8

(2) 8K x 8

128KB

(4) 32K x 8

NONE

(2) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(2) 32K x 8

512KB

(4) 128K x 8

NONE

(2) 32K x 8

1MB

(4) 128K x 8

(4) 128K x 8

(2) 128K x 8

CACHE JUMPER CONFIGURATION

Size

JD1

JD2

JT1

JT2

JT3

64KB

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

128KB

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

256KB

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

512KB

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

1MB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP1

JP2

JP4

JP5

JP6

JP11

P1 - P4

R2-1/4

486SX

Open

Open

Open

2 & 3

Closed

Open

Closed

Open

486SL

Open

Closed

Open

1 & 2

Closed

1 & 2

Closed

Closed

486DX

Open

Open

Open

1 & 2

Closed

1 & 2

Closed

Open

486DX4

Open

Closed

Open

1 & 2

Closed

2 & 3

Open

Closed

Overdrive

Closed

Closed

Closed

1 & 2

Open

2 & 3

Open

Closed

Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

JP25

JP26

JP27

25MHz

Closed

Open

Closed

33MHz

Open

Open

Closed

40MHz

Closed

Closed

Open

50iMHz

Closed

Open

Closed

50MHz

Open

Closed

Open

66iMHz

Open

Open

Closed

VESA WAIT STATE/BUS SPEED CONFIGURATION

CPU speed

Wait states

JP20

JP21`

< 33MHz

0 wait states

pins 1 & 2 closed

pins 1 & 2 closed

> 33MHz

1 wait state

pins 2 & 3 closed

pins 2 & 3 closed

PARALLEL PORT CONFIGURATION

Type

W14

W15

Enhanced parallel port (EPP) mode

Open

pins 2 & 3 closed

Standard mode

Closed

pins 1 & 2 closed