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486-GL GREEN/VESA Motherboard Settings and Configuration






INTEL CORPORATION

486-GL GREEN/VESA

Processor

CX486S/CX486S2/80486SX/80487SX/CX486DX/80486DX/CX486DX2/ 80486DX2/80486DX4/Pentium Overdrive

Processor Speed

20/25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz

Chip Set

OPTI

Max. Onboard DRAM

128MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (3), green PC connectors (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Green PC connector (hardware)

JP21

Power LED & keylock

J2

Green PC connector (monitor)

JP32

Turbo switch

JP16

Reset switch

S1

Turbo LED

JP17

32-bit VESA local bus slots

SL1 - SL3

Speaker

JP18

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CPU type select PGA

JP1

Closed

 

CPU type select PQFP

JP1

Open

»

CMOS memory normal operation

JP26

pins 2 & 3 closed

 

CMOS memory clear

JP26

pins 1 & 2 closed

»

Monitor type select color

JP30

Closed

 

Monitor type select monochrome

JP30

Open

»

Intel SMI CPU

JP45

Closed

 

Non Intel SMI CPU

JP45

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

2MB

NONE

(1) 512K x 36

NONE

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

NONE

(1) 512K x 36

NONE

(1) 512K x 36

4MB

(1) 1M x 36

NONE

NONE

NONE

5MB

(1) 256K x 36

(1) 1M x 36

NONE

NONE

6MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

NONE

6MB

NONE

(1) 512K x 36

(1) 1M x 36

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

NONE

(1) 2M x 36

NONE

NONE

10MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

10MB

NONE

(1) 512K x 36

(1) 1M x 36

(1) 1M x 36

10MB

(1) 256K x 36

(1) 256K x 36

NONE

(1) 2M x 36

10MB

NONE

(1) 512K x 36

NONE

(1) 2M x 36

12MB

(1) 1M x 36

NONE

(1) 1M x 36

(1) 1M x 36

12MB

(1) 1M x 36

NONE

NONE

(1) 2M x 36

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

NONE

(1) 2M x 36

NONE

(1) 2M x 36

16MB

(1) 4M x 36

NONE

NONE

NONE

17MB

(1) 256K x 36

(1) 4M x 36

NONE

NONE

20MB

(1) 1M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

NONE

(1) 8M x 36

NONE

NONE

40MB

(1) 4M x 36

(1) 4M x 36

(1) 2M x 36

NONE

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

52MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

NONE

(1) 8M x 36

NONE

(1) 8M x 36

64MB

(1) 16M x 36

NONE

NONE

NONE

128MB

(1) 16M x 36

(1) 16M x 36

NONE

NONE

128MB

NONE

(1) 32M x 36

NONE

NONE

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

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

JP10

JP11

JP13

JP35

64KB

Open

Open

pins 2 & 3 closed

pins 1 & 2 closed

128KB

Open

Closed

pins 1 & 2 closed

pins 1 & 2 closed

256KB

Closed

Closed

pins 2 & 3 closed

pins 1 & 2 closed

256KB

Closed

Closed

pins 2 & 3 closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

JP6

JP7

80486SX

Open

Open

80486DX

Closed

Closed

CPU TYPE CONFIGURATION

Type

JP27

JP43

AMD SMI

Open

Open

Intel SL

Open

Open

CX486DX (1x)

pins 1 & 2 closed

Open

CX486DX (2x)

pins 2 & 3 closed

Open

80486DX4 (2x)

Open

pins 1 & 2 closed

80486DX4 (3x)

Open

Open

Other CPU types

Open

Open

CPU TYPE CONFIGURATION

Type

JP3

JP5

JP8

JP9

CX486S

Open

Open

pins 2 & 3 closed

pins 1 & 2 closed

80486SX

Open

Open

pins 2 & 3 closed

Open

80487SX

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

Open

CX4786DX

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

80486DX/DX2

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

Open

80486DX4

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

Open

P24T

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

P24D

Open

Open

Open

Open

CPU TYPE CONFIGURATION (CON’T)

Type

JP12

JP22

JP23

JP50

CX486S

Open

pins 1 & 2 closed

Open

pins 2 & 3 closed

80486SX

Open

pins 1 & 2 closed

Open

Open

80487SX

Open

pins 1 & 2 closed

Open

Open

CX4786DX

Open

pins 1 & 2 closed

Open

pins 2 & 3 closed

80486DX/DX2

Open

pins 1 & 2 closed

Open

Open

80486DX4

Open

pins 1 & 2 closed

Open

Open

P24T

Open

pins 2 & 3 closed

Open

Open

P24D

Closed

Open

Closed

pins 1 & 2 closed

CPU SPEED CONFIGURATION

Speed

JJ2

JP38

JP39

JP40

JP48

20MHz

1 & 2

Open

Closed

Open

1 & 2

25MHz

1 & 2

Closed

Closed

Open

1 & 2

33MHz

1 & 2

Closed

Open

Closed

1 & 2

33iMHz (DX4)

1 & 2

Closed

Open

Closed

2 & 3

40MHz

1 & 2

Open

Closed

Closed

1 & 2

50iMHz

1 & 2

Closed

Closed

Open

1 & 2

50MHz

1 & 2

Closed

Closed

Closed

1 & 2

50iMHz (DX4)

2 & 3

Closed

Closed

Open

2 & 3

66iMHz

1 & 2

Closed

Open

Closed

1 & 2

Note: Pins designated should be in the closed position.

CPU VOLTAGE CONFIGURATION

Voltage

JP2

3.3v

pins 2 & 3, 5 & 6 closed

5.0v

pins 1 & 2, 4 & 5 closed

BUS SPEED CONFIGURATION

CPU speed

JP46

<= 33MHz

pins 2 & 3 closed

> 33MHz

pins 1 & 2 closed








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