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AIR486PI REV. 1

ADVANCED INTEGRATION RESEARCH, INC.

AIR486PI REV. 1

Processor

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

Processor Speed

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

Chip Set

Intel

Max. Onboard DRAM

128MB

Cache

128/256/512KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit PCI slots (3), 32-bit VESA local bus slots (2), floppy drive interfaces (2), green PC connector, IDE interface, parallel port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Floppy drive interface 2

CN1

External battery

J2

Floppy drive interface 1

CN2

Turbo switch

J3

Parallel port

CN3

Speaker

J4

IDE interface

CN4

IDE interface LED

J5

Green PC connector

CN5

Power LED & keylock

J6

Serial port 1

CN6

Reset switch

J7

Serial port 2

CN7

32-bit PCI slots

PC1 - PC3

Turbo LED

J1

32-bit VESA local bus slots

SL1 & SL2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Green PC select auto

CN5

Open

 

Green PC select forced

CN5

Closed

CMOS memory normal operation

JP1

pins 1 & 2 closed

 

CMOS memory clear

JP1

pins 2 & 3 closed

Factory configured - do not alter

JP2

pins 1 & 2 closed

Parallel port IRQ select IRQ7

JP3

pins 1 & 2 closed

 

Parallel port IRQ select IRQ5

JP3

pins 2 & 3 closed

Monitor type select VGA/EGA/monochrome

JP5

Open

 

Monitor type select CGA

JP5

Closed

Factory configured - do not alter

JP13

pins 1 & 2 closed

Factory configured - do not alter

JP14

pins 1 & 2 closed

Factory configured - do not alter

JP17

Closed

Factory configured - do not alter

JP18

Open

Factory configured - do not alter

JP23

pins 2 & 3 closed

Factory configured - do not alter

JP24

Open

Factory configured - do not alter

JP26

Closed

Factory configured - do not alter

JP27

Open

Factory configured - do not alter

JP28

pins 1 & 2 closed

Factory configured - do not alter

JP29

Open

Factory configured - do not alter

JP30

Open

Note: The location of the factory configured jumpers are unknown.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(1) 1M x 36

NONE

NONE

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 2M x 36

NONE

NONE

NONE

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

12MB

(1) 2M x 36

(1) 1M x 36

NONE

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 2M x 36

(1) 1M x 36

NONE

(1) 1M x 36

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

16MB

(1) 4M x 36

NONE

NONE

NONE

20MB

(1) 1M x 36

(1) 4M x 36

NONE

NONE

24MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

NONE

24MB

(1) 2M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 8M x 36

NONE

NONE

NONE

36MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

NONE

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

40MB

(1) 2M x 36

(1) 4M x 36

NONE

(1) 4M x 36

40MB

(1) 2M x 36

(1) 8M x 36

NONE

NONE

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

DRAM CONFIGURATION (CONT)

Size

Bank 0

Bank 1

Bank 2

Bank 3

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

68MB

(1) 1M x 36

(1) 16M x 36

NONE

NONE

72MB

(1) 2M x 36

(1) 16M x 36

NONE

NONE

80MB

(1) 4M x 36

(1) 16M x 36

NONE

NONE

96MB

(1) 8M x 36

(1) 16M x 36

NONE

NONE

128MB

(1) 16M x 36

(1) 16M x 36

NONE

NONE

CACHE CONFIGURATION

Size

Bank 0

Bank 1

128KB

(4) 32K x 8

NONE

256KB

(4) 32K x 8

(4) 32K x 8

512KB

(4) 128K x 8

NONE

CACHE JUMPER CONFIGURATION

Size

JP8

JP9

JP10

JP11

JP12

128KB

Closed

Open

Open

Open

Open

256KB

Open

Closed

Closed

Closed

Open

512KB

Closed

Open

Open

Closed

Closed

CPU TYPE CONFIGURATION

Type

JP25

80486SX

pins 2 & 3 closed

80487SX

pins 1 & 2 closed

80486DX/DX2/DX4

pins 1 & 2 closed

Pentium Overdrive

pins 1 & 2 closed

CPU SPEED CONFIGURATION

Speed

JP19

JP20

JP21

JP22

25MHz

Closed

Open

Open

pins 2 & 3 closed

33MHz

Open

Closed

Closed

pins 1 & 2 closed

50iMHz

Closed

Open

Open

pins 2 & 3 closed

66iMHz

Open

Closed

Closed

pins 1 & 2 closed

FLOPPY DRIVE CONFIGURATION

4 floppies used

ECP mode

JP4

JP6

JP7

Yes

Disabled

Open

Open

pins 1 & 2 closed

No

Enabled (DMA 3)

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

No

Enabled (DMA 1)

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed