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





2VLG-A486B

UNIDENTIFIED

2VLG-A486B

Processor

CX486M6/80486SX/SL80486SX/80487SX/CX486M7/AM486DXL/80486DX/ SL80486DX2/80486DX2/Pentium Overdrive

Processor Speed

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

Chip Set

Unidentified

Max. Onboard DRAM

80MB

Cache

32/64/128/256KB

BIOS

AMI

Dimensions

254mm x 218mm

I/O Options

32-bit VESA local bus slots (2), green PC connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Modem ring in signal interface

JG8

Speaker

JP17

Green PC connector

JG9

Turbo switch

JP18

Green PC connector (monitor)

JG11 pins 5 & 6

Turbo LED

JP19

Green PC connector (fan)

JG11 pins 7 & 8

Reset switch

JP20

External battery

JP1

32-bit VESA local bus slots

SL1 & SL2

Power LED & keylock

JP16

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CX487S not installed

J2

pins 2 & 3 closed

 

CX487S installed

J2

pins 1 & 2 closed

»

Monitor type select monochrome

JP6

pins 1 & 2 closed

 

Monitor type select color

JP6

pins 2 & 3 closed

»

CMOS memory normal operation

JP33

Open

 

CMOS memory clear

JP33

Closed

DRAM CONFIGURATION

Size

Bank 0/1

Bank 0/1

Bank 1

1MB

(4) 256K x 9

NONE

NONE

1MB

NONE

(1) 256K x 36

NONE

2MB

(4) 256K x 9

(1) 256K x 36

NONE

2MB

NONE

(1) 256K x 36

(1) 256K x 36

4MB

(4) 1M x 9

NONE

NONE

4MB

NONE

(1) 1M x 36

NONE

5MB

(4) 256K x 9

NONE

(1) 1M x 36

5MB

NONE

(1) 1M x 36

(1) 256K x 36

8MB

(4) 1M x 9

(1) 1M x 36

NONE

8MB

NONE

(1) 1M x 36

(1) 1M x 36

16MB

(4) 4M x 9

NONE

NONE

16MB

NONE

(1) 4M x 36

NONE

32MB

(4) 4M x 9

(1) 4M x 36

NONE

32MB

NONE

(1) 4M x 36

(1) 4M x 36

64MB

(4) 16M x 9

NONE

NONE

80MB

(4) 16M x 9

(1) 4M x 36

NONE

DRAM JUMPER CONFIGURATION

Size

JP39

JP40

JP41

JP42

Bank 0 = 30-pin

2 & 3

2 & 3

1 & 2

1 & 2

Bank 1 = 72-pin

2 & 3

2 & 3

1 & 2

1 & 2

Bank 0 = Bank 0/1 72-pin

1 & 2

1 & 2

2 & 3

2 & 3

Bank 1 = 30-pin or Bank 1 72 pin

1 & 2

1 & 2

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

32KB

(4) 8K x 8

NONE

(1) 8K x 8

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 16K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JG19

JG20

JP11

JP12

JP13

JP31

32KB

1 & 2

Closed

Open

2 & 3

2 & 3

Open

64KB

1 & 2

Closed

Open

1 & 2

1 & 2

Closed

128KB

1 & 2

Closed

1 & 2, 3 & 4

2 & 3

1 & 2

Closed

256KB

2 & 3

Open

1 & 2, 3 & 4, 5 & 6

1 & 2

1 & 2

Closed

256KB

1 & 2

Closed

1 & 2, 3 & 4, 5 & 6

1 & 2

1 & 2

Closed

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JG1

JG2

JG3

JG4

JG5

CX486M6 1x

Closed

Open

1 & 2

2 & 4

2 & 4

CX486M6 2x

Closed

Open

1 & 2

2 & 4

2 & 4

80486SX

Open

Open

Open

Open

Open

SL80486SX

Open

Closed

2 & 3

1 & 2

1 & 2

80487SX

Open

Open

Open

Open

Open

CX486M7 1x

Closed

Open

1 & 2

2 & 4

2 & 4

CX486M7 2x

Closed

Open

1 & 2

2 & 4

2 & 4

AM486DXL

Open

Open

Open

2 & 3

2 & 3

80486DX

Open

Open

Open

Open

Open

SL80486DX

Open

Closed

2 & 3

1 & 2

1 & 2

80486DX2

Open

Open

Open

Open

Open

SL80486DX2

Open

Closed

2 & 3

1 & 2

1 & 2

P24T

Open

Open

Open

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

JG6

JP8

JP9

JP10

JP21

JP22

CX486M6 1x

Open

Closed

Open

Closed

3 & 4

Open

CX486M6 2x

Closed

Closed

Open

Closed

3 & 4

Open

80486SX

Open

Closed

Closed

Open

3 & 4

Closed

SL80486SX

Open

Closed

Closed

Open

3 & 4

Closed

80487SX

Open

Closed

Closed

Open

1 & 2

Closed

CX486M7 1x

Open

Closed

Open

Open

2 & 3

Closed

CX486M7 2x

Closed

Closed

Open

Open

2 & 3

Closed

AM486DXL

Open

Closed

Closed

Open

2 & 3

Closed

80486DX

Open

Closed

Closed

Open

2 & 3

Closed

SL80486DX

Open

Closed

Closed

Open

2 & 3

Closed

80486DX2

Open

Closed

Closed

Open

2 & 3

Closed

SL80486DX2

Open

Closed

Closed

Open

2 & 3

Closed

P24T

Open

Open

Closed

Open

1 & 2

Closed

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

JP23

JP24

JP26

JP27

JP30

CX486M6 1x

Open

1 & 2

1 & 2

1 & 2

Closed

CX486M6 2x

Open

1 & 2

1 & 2

1 & 2

Closed

80486SX

Closed

1 & 2

1 & 2

1 & 2

Open

SL80486SX

Closed

1 & 2

2 & 3

1 & 2

Open

80487SX

Closed

2 & 3

1 & 2

1 & 2

Open

CX486M7 1x

Closed

2 & 3

2 & 3

1 & 2

Closed

CX486M7 2x

Closed

2 & 3

2 & 3

1 & 2

Closed

AM486DXL

Closed

2 & 3

1 & 2

1 & 2

Closed

80486DX

Closed

2 & 3

1 & 2

1 & 2

Open

SL80486DX

Closed

2 & 3

2 & 3

1 & 2

Open

80486DX2

Closed

2 & 3

1 & 2

1 & 2

Open

SL80486DX2

Closed

2 & 3

2 & 3

1 & 2

Open

P24T

Closed

2 & 3

1 & 2

1 & 2

Closed

Note: Pins designated should be in the closed position.

CPU SMI CONFIGURATION

Type

JG12

Cyrix

pins 5 & 6 closed

Texas Instruments

pins 1 & 2, 5 & 6 closed

AMD

pins 3 & 4 closed

Intel S-series

pins 1 & 2 closed

Intel

Open

CPU SPEED CONFIGURATION

Speed

JG13

JP7

JP15

JP32

25MHz

1 & 2, 5 & 6

1 & 2

2 & 3

2 & 3

33MHz

1 & 2, 3 & 4

1 & 2

2 & 3

2 & 3

40MHz

3 & 4, 5 & 6

2 & 3

1 & 2

1 & 2

50iMHz

1 & 2, 5 & 6

1 & 2

2 & 3

2 & 3

50MHz

1 & 2, 5 & 6

2 & 3

1 & 2

1 & 2

66iMHz

1 & 2, 3 & 4

1 & 2

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

BUS SPEED CONFIGURATION

CPU speed

JP28

JP29

<= 33MHz

pins 1 & 2 closed

pins 1 & 2 closed

> 33MHz

pins 2 & 3 closed

pins 2 & 3 closed