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VEGA VS3486AIO-2VL

UNIDENTIFIED

VEGA VS3486AIO-2VL

Processor

80386DX/80486SX/80487SX/80486DX/ODP486SX/80486DX2

Processor Speed

20/25/33/40/50(internal)/50/66(internal)

Chip Set

Symphony

Max. onboard DRAM

32MB

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

Floppy drive interface

FDC

32-bit VESA local bus slot

S1

Game port

GP

32-bit VESA local bus slot

S2

IDE interface

IDE

Serial port 1

SC1

External battery

J2

Serial port 2

SC2

Power LED & keylock

KEYL

Speaker

SPKR

Parallel port

PC

Turbo LED

TLED

Reset switch

RSET

Turbo switch

TSW

Note: A DS146818A must be installed and the DS1287 removed, to use an external battery.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

CMOS memory normal operation

J3

pins 1 & 2 closed

 

CMOS memory clear

J3

pins 3 & 4 closed

Battery select internal

JP2

Closed

 

Battery select external

JP2

Open

 

BIOS type select regular (27C512)

JP3

pins 1 & 2 closed

 

BIOS type select flash (28F001BX)

JP3

pins 2 & 3 closed

Factory configured - do not alter

JP32

pins 2 & 3 closed

 

Parallel port (PC) select IRQ5

W7

pins 1 & 2 closed

 

Parallel port (PC) select IRQ7

W7

pins 2 & 3 closed

Serial port 2 (SC2) select IRQ3

W8

pins 1 & 2 closed

 

Serial port 2 (SC2) select IRQ4

W8

pins 2 & 3 closed

Serial port 1 (SC1) select IRQ3

W11

pins 1 & 2 closed

 

Serial port 1 (SC1) select IRQ4

W11

pins 2 & 3 closed

Floppy drive enabled

W12

pins 1 & 2 closed

 

Floppy drive disabled

W12

pins 2 & 3 closed

Note: J3 & JP2 will not function unless the DS1287 RTC is replaced with a DSA146818A RTC.

SERIAL PORT 1 (SC1) CONFIGURATION

COM

I/O Address

W1

W2

COM1

3F8h

pins 1 & 2 closed

pins 1 & 2 closed

COM2

2F8h

pins 1 & 2 closed

pins 2 & 3 closed

COM3

3E8h

pins 2 & 3 closed

pins 1 & 2 closed

Disabled

N/A

pins 2 & 3 closed

pins 2 & 3 closed

SERIAL PORT 2 (SC2) CONFIGURATION

COM

I/O Address

W3

W5

COM1

3F8h

pins 1 & 2 closed

pins 1 & 2 closed

COM2

2F8h

pins 1 & 2 closed

pins 2 & 3 closed

COM4

2E8h

pins 2 & 3 closed

pins 1 & 2 closed

Disabled

N/A

pins 2 & 3 closed

pins 2 & 3 closed

PARALLEL PORT (PC) CONFIGURATION

LPT

I/O Address

W6

W9

LPT1

378h

pins 1 & 2 closed

pins 1 & 2 closed

LPT2

278h

pins 1 & 2 closed

pins 2 & 3 closed

LPT3

3BCh

pins 2 & 3 closed

pins 1 & 2 closed

Disabled

N/A

pins 2 & 3 closed

pins 2 & 3 closed

IDE INTERFACE CONFIGURATION

Mode

JA1

W4

W10

Enabled

Closed

Closed

pins 1 & 2 closed

Disabled

Open

Open

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

CACHE 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

CACHE JUMPER CONFIGURATION

Size

JP27

JP28

JP29

JP30

JP31

64KB

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

256KB

pins 2 & 3

pins 1 & 2

pins 1 & 2

pins 2 & 3

pins 2 & 3

1024KB

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 2 & 3

Note:Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Jumper

80386DX

80486SX/80487SX

80486DX/DX2/ODP

JP6

Open

Closed

Closed

JP17

Closed

Open

Open

JP18

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

JP24

N/A

pins 2 & 3 closed

pins 1 & 2 closed

JP25

N/A

Open

Closed

JP26

N/A

Open

Closed

JP33

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

JP34

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

JP35

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

JP36

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

JP37

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

CPU SPEED CONFIGURATION

Jumper

20MHz

25/50I MHz

33/66I MHz

40MHz

50MHz

JP4

Closed

Open

Closed

Open

Open

JP5

Closed

Closed

Open

Open

Closed

JP7

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 2 & 3

JP7A

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 2 & 3

JP8

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 1 & 2

JP11

Open

Open

Open

Open

Closed

JP12

Open

Open

Open

Open

Closed

JP13

Open

Open

Open

Open

Closed

JP14

Open

Open

Open

Open

Closed

Note:Pins designated should be in the closed position.

VESA CPU TYPE (ID0 & ID1) CONFIGURATION

CPU Type

JP9 (ID0)

JP10 (ID1)

80386

Closed

Open

80486

Open

Closed

VESA WAIT STATE (ID2) CONFIGURATION

Wait states

CPU speed

JP16 (ID2)

0 wait states

£ 33MHz

Open

1 wait state

> 33MHz

Closed

VESA BUS SPEED (ID3) CONFIGURATION

CPU speed

JP15 (ID3)

£ 33MHz

Open

> 33MHz

Closed