ADVANCED INTEGRATION RESEARCH, INC.

486VP REV. 1.11

Processor

80486SX/80487SX/80486DX/ODP486SX/80486DX2/80486DX4/Pentium Overdrive

Processor Speed

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

Chip Set

SIS

Max. Onboard DRAM

128MB

Cache

256/512/1024KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JP1

Turbo LED

JP46

Speaker

JP43

Turbo switch

JP47

Power LED & keylock

JP44

32-bit PCI slots

PC1 - PC4

Reset switch

JP45

32-bit VESA local bus slots

SL1 & SL2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

JP2

pins 1 & 2 closed

 

CMOS memory clear

JP2

pins 2 & 3 closed

»

Monitor type select VGA/EGA/monochrome

JP5

Open

 

Monitor type select CGA

JP5

Closed

»

Factory configured - do not alter

JP9

Open

»

Flash BIOS write protect enabled

JP12

pins 1 & 2 closed

 

Flash BIOS write protect disabled

JP12

pins 2 & 3 closed

»

Factory configured - do not alter

JP42

Open

»

Factory configured - do not alter

JP51

Open

»

Factory configured - do not alter

JP59

Open

»

Factory configured - do not alter

JP67

Open

»

Factory configured - do not alter

JP81

Open

»

Factory configured - do not alter

JP82

Open

DRAM CONFIGURATION (GROUP A)

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(4) 1M x 9

NONE

NONE

NONE

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

12MB

(4) 1M x 9

(4) 1M x 9

(1) 1M x 36

NONE

16MB

(4) 4M x 9

NONE

NONE

NONE

16MB

(4) 1M x 9

(4) 1M x 9

(1) 1M x 36

(1) 1M x 36

20MB

(4) 1M x 9

(4) 4M x 9

NONE

NONE

24MB

(4) 1M x 9

(4) 1M x 9

(1) 4M x 36

NONE

28MB

(4) 1M x 9

(4) 1M x 9

(1) 1M x 36

(1) 4M x 36

32MB

(4) 4M x 9

(4) 4M x 9

NONE

NONE

36MB

(4) 4M x 9

(4) 4M x 9

(1) 1M x 36

NONE

40MB

(4) 4M x 9

(4) 4M x 9

(1) 1M x 36

(1) 1M x 36

40MB

(4) 1M x 9

(4) 1M x 9

(1) 4M x 36

(1) 4M x 36

48MB

(4) 4M x 9

(4) 4M x 9

(1) 4M x 36

NONE

52MB

(4) 4M x 9

(4) 4M x 9

(1) 1M x 36

(1) 4M x 36

64MB

(4) 16M x 9

NONE

NONE

NONE

64MB

(4) 4M x 9

(4) 4M x 9

(1) 4M x 36

(1) 4M x 36

68MB

(4) 1M x 9

(4) 16M x 9

NONE

NONE

76MB

(4) 1M x 9

(4) 1M x 9

(1) 1M x 36

(1) 16M x 36

80MB

(4) 4M x 9

(4) 16M x 9

NONE

NONE

88MB

(4) 1M x 9

(4) 1M x 9

(1) 4M x 36

(1) 16M x 36

100MB

(4) 4M x 9

(4) 4M x 9

(1) 1M x 36

(1) 16M x 36

112MB

(4) 4M x 9

(4) 4M x 9

(1) 4M x 36

(1) 16M x 36

128MB

(4) 16M x 9

(4) 16M x 9

NONE

NONE

DRAM CONFIGURATION (GROUP B)

Size

Bank 2

Bank 3

4MB

(1) 1M x 36

NONE

8MB

(1) 1M x 36

(1) 1M x 36

16MB

(1) 4M x 36

NONE

20MB

(1) 1M x 36

(1) 4M x 36

32MB

(1) 4M x 36

(1) 4M x 36

64MB

(1) 16M x 36

NONE

68MB

(1) 1M x 36

(1) 16M x 36

80MB

(1) 4M x 36

(1) 16M x 36

128MB

(1) 16M x 36

(1) 16M x 36

DRAM CONFIGURATION (GROUP C)

Size

Bank 2

Bank 3

16MB

(1) 2M x 36

(1) 2M x 36

40MB

(1) 2M x 36

(1) 8M x 36

64MB

(1) 8M x 36

(1) 8M x 36

DRAM JUMPER CONFIGURATION

Group

JP22

JP23

JP24

JP25

Group A

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 2 & 3 closed

Group B

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

Group C

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

512KB

(4) 128K x 8

NONE

(1) 32K x 8

1MB

(4) 128K x 8

(4) 128K x 8

(1) 128K x 8

CACHE JUMPER CONFIGURATION

Size

JP20

JP21

JP62

256KB

pins 1 & 2 closed

pins 1 & 2 closed

Open

512KB

pins 2 & 3 closed

pins 2 & 3 closed

Open

1MB

pins 2 & 3 closed

Open

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

JP15

JP18

JP37

JP52

80486SX

pins 1 & 2 closed

pins 2 & 3 closed

Open

Open

80487SX

pins 1 & 2 closed

pins 1 & 2, 3 & 4 closed

pins 1 & 2 closed

Open

80486DX/DX2

pins 1 & 2 closed

pins 1 & 2, 3 & 4 closed

pins 2 & 3 closed

Open

80486DX4

pins 1 & 2 closed

pins 1 & 2, 3 & 4 closed

pins 2 & 3 closed

Open

Pentium Overdrive

pins 1 & 2 closed

pins 1 & 2, 3 & 4 closed

pins 1 & 2 closed

Open

CPU SPEED CONFIGURATION

Speed

JP7

JP8

JP8A

JP13

JP26

JP27

JP28

JP33

JP61

25MHz

Closed

1 & 2

2 & 3

Open

Closed

1 & 2

2 & 3

Open

2 & 3

33MHz

Open

1 & 2

2 & 3

Open

Closed

2 & 3

1 & 2

Open

2 & 3

40MHz

Open

2 & 3

1 & 2

Closed

Open

1 & 2

2 & 3

Closed

1 & 2

50iMHz

Closed

1 & 2

2 & 3

Open

Closed

1 & 2

2 & 3

Open

2 & 3

50MHz

Open

2 & 3

1 & 2

Closed

Open

2 & 3

1 & 2

Closed

1 & 2

66iMHz

Open

1 & 2

2 & 3

Open

Closed

2 & 3

1 & 2

Open

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION (80486DX4 ONLY)

Speed

JP27

JP28

25MHz

Open

Closed

33MHz

Closed

Open

Note: If a DX4 is installed, use these jumper settings and jumpers JP7, JP8, JP8A, JP13, JP26, JP33 & JP61 from above table.

CPU VOLTAGE CONFIGURATION

Voltage

JP80

3.3v (DX4)

pins 3 & 5, 4 & 6 closed

5v

pins 1 & 3, 2 & 4 closed

PCI BUS INTERRUPT CONFIGURATION

Slots PC1-PC3

Slot PC4

JP10F

JP10G

JP10H

JP10K

IRQ9

N/A

1 & 2

Open

Open

Open

IRQ10

N/A

Open

1 & 2

Open

Open

IRQ11

N/A

Open

Open

1 & 2

Open

N/A

IRQ14

Open

Open

Open

2 & 4

Note: Pins designated should be in the closed position.