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AX8025H

AXIOM TECHNOLOGY, INC.

AX8025H

Processor

80386SX/CX486SLC

Processor Speed

20/25/33/40MHz

Chip Set

ALI

Max. Onboard DRAM

16MB

Cache

None

BIOS

AMI

Dimensions

169mm x 122mm

I/O Options

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

NPU Options

80387SX/CX387

CONNECTIONS

Purpose

Location

Purpose

Location

Floppy drive interface

CN1

PC/104 bus connector

CN11

IDE interface

CN2

Reset switch

J1

Parallel port

CN3

Power LED & keylock

J2

Auxiliary keyboard connector

CN4

IDE interface LED

J3

Serial port 1

CN7

Speaker

J4

Serial port 2

CN8

External battery

J5

PC/104 bus connector

CN10

   

Note: The location of jumper J5 is unidentified.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Parallel port IRQ select IRQ7

CN5

pins 13 & 14 closed

 

Parallel port IRQ select IRQ5

CN5

pins 15 & 16 closed

Activate NMI to reset CPU when watch dog times out

JP1

pins 1 & 2 closed

 

Reset system when watch dog times out

JP1

pins 2 & 3 closed

 

Watch dog disabled

JP1

Open

External battery type select DS1287/1187

JP2

pins 1 & 2 closed

 

External battery type select MC146818

JP2

pins 2 & 3 closed

Parity check enabled

JP3

pins 1 & 2 closed

 

Parity check disabled

JP3

pins 2 & 3 closed

Watch dog timer normal

JP4

pins 2 & 3 closed

 

Watch dog timer reset

JP4

pins 1 & 2 closed

IDE interface pin 34 used

JP5

pins 2 & 3 closed

 

IDE interface pin 34 not used

JP5

pins 1 & 2 closed

Monitor type select monochrome

JP6

pins 1 & 2 closed

 

Monitor type select color

JP6

pins 2 & 3 closed

IDE interface enabled

JP7

pins 2 & 3 closed

 

IDE interface disabled

JP7

pins 1 & 2 closed

Floppy drive interface enabled

JP8

pins 2 & 3 closed

 

Floppy drive interface disabled

JP8

pins 1 & 2 closed

NPU synchronous with CPU

JP15

pins 2 & 3 closed

 

NPU asynchronous with CPU

JP15

pins 1 & 2 closed

Time out period select 1 second

JP21

pins 1 & 2 closed

 

Time out period select 10 seconds

JP21

pins 2 & 3 closed

Parallel port unidirectional (printer)

JP23

pins 1 & 2 closed

 

Parallel port bidirectional

JP23

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

NONE

4MB

(2) 1M x 9

(2) 1M x 9

8MB

(2) 4M x 9

NONE

16MB

(2) 4M x 9

(2) 4M x 9

CPU TYPE CONFIGURATION

Type

J6

80386SX

Open

CX486SLC

pins 1 & 2, 3 & 4, 5 & 6 closed

CPU SPEED CONFIGURATION

Speed

JP20

JP22

20MHz

pins 1 & 2 closed

pins 2 & 3 closed

25MHz

pins 2 & 3 closed

pins 1 & 2 closed

33MHz

pins 2 & 3 closed

pins 2 & 3 closed

40MHz

pins 1 & 2 closed

pins 1 & 2 closed

PARALLEL PORT CONFIGURATION

Setting

JP13

JP14

278

pins 2 & 3 closed

pins 2 & 3 closed

378

pins 1 & 2 closed

pins 1 & 2 closed

3BC

pins 1 & 2 closed

pins 2 & 3 closed

Disabled

pins 2 & 3 closed

pins 1 & 2 closed

SERIAL PORT 1 CONFIGURATION

Setting

JP9

JP10

2E8

pins 2 & 3 closed

pins 1 & 2 closed

3E8

pins 1 & 2 closed

pins 1 & 2 closed

3F8

pins 2 & 3 closed

pins 2 & 3 closed

Disabled

pins 1 & 2 closed

pins 2 & 3 closed

SERIAL PORT 2 CONFIGURATION

Setting

JP11

JP12

2E8

pins 1 & 2 closed

pins 1 & 2 closed

2F8

pins 2 & 3 closed

pins 2 & 3 closed

3E8

pins 2 & 3 closed

pins 1 & 2 closed

Disabled

pins 1 & 2 closed

pins 2 & 3 closed

SERIAL PORT 1 INTERRUPT CONFIGURATION

IRQ

CN5

IRQ3

pins 3 & 4 closed

IRQ4

pins 1 & 2 closed

IRQ5

pins 5 & 6 closed

SERIAL PORT 2 INTERRUPT CONFIGURATION

IRQ

CN5

IRQ3

pins 7 & 8 closed

IRQ4

pins 9 & 10 closed

IRQ5

pins 11 & 12 closed