AXIOM TECHNOLOGY, INC.

AX80U86

Processor

80386DX/80486SX/80487SX/80486DX/80486DX2

Processor Speed

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

Chip Set

OPTI

Max. Onboard DRAM

32MB

Cache

64/256KB

BIOS

Unidentified

Dimensions

338mm x 112mm

I/O Options

Floppy drive interface, IDE interface, parallel port, serial ports (2), riser slot

NPU Options

80387DX

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Parallel port

J9

Speaker

J2

External battery

J11

Reset switch

J3

Auxiliary keyboard connector

J12

IDE interface LED

J4

Serial port 1

J13

Turbo switch

J5

Serial port 2

J14

Floppy drive interface

J6

iSBX bus slot

SL1

IDE interface

J7

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Turbo enabled

J5

Open

 

Turbo disabled

J5

Closed

»

Activate NMI to reset CPU when watch dog times out

JP14

pins 2 & 3 closed

 

Reset system when watch dog times out

JP14

pins 1 & 2 closed

 

Watch dog disabled

JP14

Open

»

Time out period select 500ms

JP15

pins 1 & 2 closed

 

Time out period select 1 second

JP15

pins 2 & 3 closed

»

COM2 IRQ select IRQ4

JP18

pins 9 & 10 closed

 

COM2 IRQ select IRQ5

JP18

pins 11 & 12 closed

»

Parallel port IRQ select IRQ7

JP18

pins 13 & 14 closed

 

Parallel port IRQ select IRQ5

JP18

pins 15 & 16 closed

»

IRQ14 buffered

JP19

pins 1 & 2 closed

 

IRQ14 not buffered

JP19

pins 2 & 3 closed

»

IDE interface pin 34 used

JP20

Closed

 

IDE interface pin 34 not used

JP20

Open

»

IDE interface enabled

JP21

pins 2 & 3 closed

 

IDE interface disabled

JP21

pins 1 & 2 closed

»

Floppy drive interface enabled

JP28

pins 2 & 3 closed

 

Floppy drive interface disabled

JP28

pins 1 & 2 closed

»

CMOS memory normal operation

JP29

pins 2 & 3 closed

 

CMOS memory clear

JP29

pins 1 & 2 closed

»

Monitor type select color

JP30

Closed

 

Monitor type select monochrome

JP30

Open

»

Factory configured - do not alter

JP31

N/A

»

Factory configured - do not alter

JP32

N/A

»

Factory configured - do not alter

JP33

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

DIRTY

TAG 0

TAG 1

64KB

(8) 8K x 8

(1) 16K x 1

(1) 8K x 8

NONE

256KB

(8) 32K x 8

(1) 16K x 1

(1) 8K x 8

(1) 8K x 8

CACHE JUMPER CONFIGURATION

Size

JP1

JP2

JP3

JP4

JP5

JP6

64KB

2 & 3

Open

Open

Open

Open

2 & 3

256KB

2 & 3

Closed

Closed

Closed

Closed

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP7

JP8

JP9

JP10

JP11

JP12

JP13

80386DX

1 & 2

N/A

N/A

N/A

Open

Open

N/A

80486SX

2 & 3

2 & 3

Open

Open

Open

Closed

2 & 3

80487SX

2 & 3

1 & 2

2 & 3

Closed

Open

Closed

2 & 3

80486DX

2 & 3

1 & 2

1 & 2

Closed

Open

Closed

2 & 3

8048DX-50

2 & 3

1 & 2

1 & 2

Closed

Closed

Closed

1 & 2

80486DX2

2 & 3

1 & 2

1 & 2

Closed

Open

Closed

2 & 3

Note: Pins designated should be in the closed position.

PARALLEL PORT CONFIGURATION

Setting

JP26

JP27

278

pins 2 & 3 closed

pins 1 & 2 closed

378

pins 1 & 2 closed

pins 2 & 3 closed

3BC

pins 2 & 3 closed

pins 2 & 3 closed

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

SERIAL PORT 1 CONFIGURATION

Setting

JP22

JP25

2E8

pins 2 & 3 closed

pins 2 & 3 closed

3E8

pins 1 & 2 closed

pins 2 & 3 closed

3F8

pins 2 & 3 closed

pins 1 & 2 closed

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

SERIAL PORT 2 CONFIGURATION

Setting

JP23

JP24

2E8

pins 1 & 2 closed

pins 2 & 3 closed

2F8

pins 2 & 3 closed

pins 1 & 2 closed

3E8

pins 2 & 3 closed

pins 2 & 3 closed

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

SERIAL PORT 2 IRQ CONFIGURATION

IRQ

JP18

IRQ3

pins 3 & 4 closed

IRQ4

pins 1 & 2 closed

IRQ5

pins 5 & 6 closed

ISBX SLOT DMA CONFIGURATION

Setting

JP16

JP17

DACK5/DRQ5

pins 1 & 2 closed

pins 1 & 2 closed

DACK6/DRQ6

pins 3 & 4 closed

pins 3 & 4 closed

DACK7/DRQ7

pins 5 & 6 closed

pins 5 & 6 closed

Note: The location of jumper JP16 is unidentified.