UNIDENTIFIED

80486 VIP

Processor

CX486M6/80486SX/SL80486SX/CX486M7/U5/80486DX/AM486DX2/

AM486DX4/SL80486DX4/P24D

Processor Speed

25/33/40/50/66(internal)/75(internal)/80(internal)/100(internal)MHz

Chip Set

Unidentified

Max. Onboard DRAM

256MB

Cache

64/128/256/512/1024KB

BIOS

AMI

Dimensions

254mm x 218mm

I/O Options

32-bit VESA local bus slots (2), 32-bit PCI slots (4), IDE interfaces (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JP3

Turbo LED

JP20

Green PC connector (monitor)

JP4

IDE interface LED

JP40

Turbo switch

JP14

Chassis fan power

JP41

Reset switch

JP15

32-bit PCI slots

PCI1 - PCI4

Green PC connector

JP16

IDE interface (primary)

S1

Power LED & keylock

JP18

IDE interface (secondary)

S2

Speaker

JP19

32-bit VESA local bus slots

SL1 & SL2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

 

Flash BIOS voltage select 5v

JP2

Open

 

Flash BIOS voltage select 12v

JP2

Closed

»

Battery type select internal

JP3

pins 2 & 3 closed

 

Battery type select external

JP3

Closed

 

CMOS memory clear

JP3

pins 3 & 4 closed

»

Factory configured - do not alter

JP9

N/A

»

Factory configured - do not alter

JP10

N/A

»

Factory configured - do not alter

JP11

N/A

»

Factory configured - do not alter

JP12

N/A

»

Factory configured - do not alter

JP13

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

NONE

NONE

NONE

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

2MB

(1) 512K x 36

NONE

NONE

NONE

3MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

5MB

(1) 1M x 36

NONE

(1) 256K x 36

NONE

6MB

(1) 1M x 36

NONE

(1) 256K x 36

(1) 256K x 36

6MB

(1) 1M x 36

NONE

(1) 512K x 36

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

8MB

(1) 1M x 36

NONE

(1) 512K x 36

(1) 512K x 36

8MB

(1) 2M x 36

NONE

NONE

NONE

9MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

NONE

9MB

(1) 2M x 36

NONE

(1) 256K x 36

NONE

10MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

10MB

(1) 1M x 36

(1) 1M x 36

(1) 512K x 36

NONE

10MB

(1) 2M x 36

NONE

(1) 512K x 36

NONE

12MB

(1) 1M x 36

(1) 1M x 36

(1) 512K x 36

(1) 512K x 36

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

12MB

(1) 2M x 36

NONE

(1) 1M x 36

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 4M x 36

NONE

NONE

NONE

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

17MB

(1) 4M x 36

NONE

(1) 256K x 36

NONE

18MB

(1) 4M x 36

NONE

(1) 256K x 36

(1) 256K x 36

18MB

(1) 4M x 36

NONE

(1) 512K x 36

NONE

20MB

(1) 1M x 36

NONE

(1) 2M x 36

(1) 2M x 36

20MB

(1) 1M x 36

NONE

(1) 4M x 36

NONE

20MB

(1) 2M x 36

(1) 2M x 36

(1) 512K x 36

(1) 512K x 36

20MB

(1) 4M x 36

NONE

(1) 512K x 36

(1) 512K x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

20MB

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

NONE

20MB

(1) 4M x 36

NONE

(1) 1M x 36

NONE

24MB

(1) 4M x 36

NONE

(1) 1M x 36

(1) 1M x 36

24MB

(1) 4M x 36

NONE

(1) 2M x 36

NONE

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

NONE

24MB

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

32MB

(1) 4M x 36

NONE

(1) 2M x 36

(1) 2M x 36

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 8M x 36

NONE

NONE

NONE

36MB

(1) 1M x 36

NONE

(1) 4M x 36

(1) 4M x 36

36MB

(1) 1M x 36

NONE

(1) 8M x 36

NONE

40MB

(1) 8M x 36

NONE

(1) 2M x 36

NONE

40MB

(1) 8M x 36

NONE

(1) 1M x 36

(1) 1M x 36

48MB

(1) 4M x 36

NONE

(1) 8M x 36

NONE

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

48MB

(1) 4M x 36

NONE

(1) 4M x 36

(1) 4M x 36

48MB

(1) 2M x 36

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

64MB

(1) 16M x 36

NONE

NONE

NONE

65MB

(1) 16M x 36

NONE

(1) 256K x 36

NONE

65MB

(1) 8M x 36

(1) 8M x 36

(1) 256K x 36

NONE

66MB

(1) 16M x 36

NONE

(1) 256K x 36

(1) 256K x 36

66MB

(1) 16M x 36

NONE

(1) 512K x 36

NONE

68MB

(1) 1M x 36

NONE

(1) 8M x 36

(1) 8M x 36

68MB

(1) 1M x 36

NONE

(1) 16M x 36

NONE

68MB

(1) 16M x 36

NONE

(1) 512K x 36

(1) 512K x 36

68MB

(1) 16M x 36

NONE

(1) 1M x 36

NONE

72MB

(1) 16M x 36

NONE

(1) 1M x 36

(1) 1M x 36

72MB

(1) 16M x 36

NONE

(1) 2M x 36

NONE

80MB

(1) 4M x 36

NONE

(1) 8M x 36

(1) 8M x 36

80MB

(1) 4M x 36

NONE

(1) 16M x 36

NONE

80MB

(1) 16M x 36

NONE

(1) 2M x 36

(1) 2M x 36

80MB

(1) 16M x 36

NONE

(1) 4M x 36

NONE

96MB

(1) 16M x 36

NONE

(1) 8M x 36

NONE

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

NONE

96MB

(1) 8M x 36

NONE

(1) 8M x 36

(1) 8M x 36

96MB

(1) 16M x 36

NONE

(1) 4M x 36

(1) 4M x 36

128MB

(1) 16M x 36

NONE

(1) 8M x 36

(1) 8M x 36

128MB

(1) 16M x 36

(1) 16M x 36

NONE

NONE

129MB

(1) 16M x 36

(1) 16M x 36

(1) 256K x 36

NONE

144MB

(1) 16M x 36

(1) 16M x 36

(1) 2M x 36

(1) 2M x 36

160MB

(1) 16M x 36

(1) 16M x 36

(1) 8M x 36

NONE

256MB

(1) 16M x 36

(1) 16M x 36

(1) 16M x 36

(1) 16M x 36

CPU TYPE CONFIGURATION

Type

JP25

JP26

JP27

JP28

JP29

CX486M6

2 & 3

Open

1 & 2

2 & 3

1 & 2

80486SX

2 & 3

Open

Open

Open

2 & 3

SL80486SX

2 & 3

Open

1 & 2

Open

1 & 2

CX486M7

1 & 2, 3 & 4

3 & 4

1 & 2

2 & 3

1 & 2

U5

2 & 3

1 & 2, 3 & 4

2 & 3

Open

2 & 3

80486DX

1 & 2, 3 & 4

3 & 4

Open

Open

2 & 3

AM486DX2

1 & 2, 3 & 4

3 & 4

Open

Open

2 & 3

AM486DX4

1 & 2, 3 & 4

3 & 4

Open

Open

2 & 3

SL80486DX4

1 & 2, 3 & 4

3 & 4

1 & 2

Open

1 & 2

P24D

1 & 2, 3 & 4

3 & 4

1 & 2, 3 & 4

3 & 4

1 & 2

CPU TYPE CONFIGURATION (CON’T)

Type

JP30

JP31

JP32

JP33

CX486M6

2 & 3

2 & 3

1 & 2, 3 & 4

Open

80486SX

Open

Open

Open

Closed

SL80486SX

1 & 2

Open

2 & 3, 4 & 5

Open

CX486M7

2 & 3

2 & 3

1 & 2, 3 & 4

Open

U5

Open

3 & 4

Open

Closed

80486DX

Open

Open

Open

Closed

AM486DX2

Open

Open

Open

Closed

AM486DX4

Open

Open

Open

Closed

SL80486DX4

1 & 2

Open

2 & 3, 4 & 5

Open

P24D

1 & 2, 3 & 4

Open

2 & 3, 4 & 5

Open

CPU TYPE CONFIGURATION (CON’T)

Type

JP35

JP36

JP37

JP38

CX486M6

1 & 2

Open

1 & 2

2 & 3

80486SX

Open

2 & 3

1 & 2

1 & 2

SL80486SX

Open

2 & 3

1 & 2

1 & 2

CX486M7

1 & 2

Open

1 & 2

2 & 3

U5

Open

2 & 3

2 & 3

1 & 2

80486DX

Open

2 & 3

1 & 2

1 & 2

AM486DX2

Open

2 & 3

1 & 2

1 & 2

AM486DX4

Open

1 & 2

1 & 2

1 & 2

SL80486DX4

Open

2 & 3

1 & 2

1 & 2

P24D

Open

1 & 2

1 & 2

1 & 2

CPU SPEED CONFIGURATION

Speed

JP6

JP7

JP8

25MHz

Open

Open

Closed

33MHz

Closed

Closed

Closed

40MHz

Open

Closed

Closed

50iMHz

Open

Open

Closed

50MHz

Closed

Open

Open

66iMHz

Closed

Closed

Closed

75iMHz

Open

Open

Closed

80iMHz

Open

Closed

Closed

100iMHz

Closed

Closed

Closed

CPU SPEED SELECT CONFIGURATION (80486DX4 ONLY)

Speed

JP34

2X

Closed

3X

Open

CPU VOLTAGE CONFIGURATION

Voltage

JP21

JP22

JP23

JP24

JP42

3.3 v

1 & 2

1 & 2

1 & 2

1 & 2

Closed

4 v

1 & 2

1 & 2

1 & 2

1 & 2

Open

5 v

2 & 3

2 & 3

2 & 3

2 & 3

Closed

Note: Pins designated should be in the closed position.