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VEGA 3486AIO-2VL

YOUNG MICRO SYSTEMS, INC.

VEGA 3486AIO-2VL

Processor

80386DX/80486SX/80486DX/ODP486SX/80486DX2/Pentium Overdrive

Processor Speed

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

Chip Set

Symphony

Max. Onboard DRAM

64MB

Cache

64/256/1024KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2), floppy drive interface, game port, IDE interface, parallel port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

CN1

Game interface

J19

Power LED & keylock

CN2

Parallel port

J20

Reset switch

CN3

IDE interface

J21

Turbo LED

CN4

Serial port 1

J22

Turbo switch

CN5

Serial port 2

J23

External battery

J2

32-bit VESA Local bus slots

SL1 & SL2

Floppy drive interface

J18

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

CMOS memory normal operation

J3

pins 1 & 2 closed

 

CMOS memory clear

J3

pins 2 & 3 closed

IDE interface enabled

JA1

Closed

 

IDE interface disabled

JA1

Open

Battery type select internal

JP2

Closed

 

Battery type select external

JP2

Open

BIOS type select Flash

JP3

pins 1 & 2 closed

 

BIOS type select normal

JP3

pins 2 & 3 closed

Cache wait state select 1 wait state

JP11

Open

 

Cache wait state select 0 wait states

JP11

Closed

VESA sample select T2

JP12

Open

 

VESA sample select T3

JP12

Closed

Cache burst select <=33MHz

JP13

Open

 

Cache burst select >33MHz

JP13

Closed

Factory configured - do not alter

JP32

pins 2 & 3 closed

Parallel port IRQ select IRQ5

W7

pins 1 & 2 closed

 

Parallel port IRQ select IRQ7

W7

pins 2 & 3 closed

Floppy drive interface enabled

W12

pins 1 & 2 closed

 

Floppy drive interface disabled

W12

pins 2 & 3 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) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 256K x 9

(4) 4M x 9

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

64MB

(4) 16M x 9

NONE

CACHE CONFIGURATION

Size

Bank 0

64KB

(8) 8K x 8

256KB

(8) 32K x 8

1MB

(8) 128K x 8

CACHE JUMPER CONFIGURATION

Size

JP27

JP28

JP29

JP30

JP31

64KB

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

256KB

2 & 3

1 & 2

2 & 3

1 & 2

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

JP6

JP9

JP10

JP17

JP18

JP33

JP34

JP35

JP36

JP37

80386

Open

Open

Closed

Closed

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

80486

Closed

Closed

Open

Open

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP24

JP25

JP26

80486SX

pins 2 & 3 closed

Open

Open

80486DX

pins 1 & 2 closed

Closed

Closed

CPU SPEED CONFIGURATION

Type

JP4

JP5

25MHz

Open

Closed

33MHz

Closed

Open

40MHz

Open

Open

50MHz

Open

Closed

50iMHz

Open

Closed

66iMHz

Closed

Open

SERIAL PORT 1 CONFIGURATION

Port 1

W1

W2

COM1 (3F8)

pins 1 & 2 closed

pins 1 & 2 closed

COM2 (2F8)

pins 1 & 2 closed

pins 2 & 3 closed

COM3 (2E8)

pins 2 & 3 closed

pins 1 & 2 closed

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

SERIAL PORT 2 CONFIGURATION

Port 2

W3

W5

COM1 (3F8)

pins 1 & 2 closed

pins 1 & 2 closed

COM2 (2F8)

pins 1 & 2 closed

pins 2 & 3 closed

COM4 (2E8)

pins 2 & 3 closed

pins 1 & 2 closed

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

SERIAL PORT 1 INTERRUPT CONFIGURATION

Port 1

W11

IRQ3

pins 1 & 2 closed

IRQ4

pins 2 & 3 closed

SERIAL PORT 2 INTERRUPT CONFIGURATION

Port 2

W8

IRQ4

pins 1 & 2 closed

IRQ3

pins 2 & 3 closed

PARALLEL PORT CONFIGURATION

Port 1

W6

W9

LPT1 (378)

pins 1 & 2 closed

pins 1 & 2 closed

LPT2 (278)

pins 1 & 2 closed

pins 2 & 3 closed

LPT3 (3BC)

pins 2 & 3 closed

pins 1 & 2 closed

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

IDE INTERFACE CONFIGURATION

Setting

W4

W10

Enabled

Closed

pins 1 & 2 closed

Disabled

Open

pins 2 & 3 closed

BUS SPEED CONFIGURATION

CPU speed

JP15

<=33MHz

Closed

> 33MHz

Open

VESA WAIT STATE CONFIGURATION

Wait states

JP16

0 wait states

Closed

1 wait state

Open

PHASE CONFIGURATION

Setting

JP8

JP14

1X

pins 2 & 3 closed

Closed

2X

pins 1 & 2 closed

Open

VESA PHASE CONFIGURATION

Setting

JP7

JP7A

1X

pins 2 & 3 closed

pins 2 & 3 closed

2X

pins 1 & 2 closed

pins 1 & 2 closed