AXIOM TECHNOLOGY, INC.

AX8125

Processor

80386DX/CX486SLC

Processor Speed

20/25/33/40MHz

Chip Set

ALI

Video Chip Set

None

Maximum Onboard Memory

16MB

Maximum Video Memory

None

Cache

None

BIOS

AMI

Dimensions

Unidentified

I/O Options

Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, PS/2 mouse interface, serial ports (2), PC104 connectors (2)

NPU Options

80387DX

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface

CN1

PC104 connector

CN9

Turbo LED

CN2

Parallel port

CN10

IDE interface LED

CN3

Serial port 1

CN11

Reset switch

CN4

Auxiliary keyboard connector

CN13

Speaker

CN5

PS/2 mouse interface

CN14

Power LED & keylock

CN6

Serial port 2

CN15

Floppy drive interface

CN7

PS/2 mouse port

CN17

PC104 connector

CN8

External battery

CN18

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Floppy drive interface enabled

J1

Pins 1 & 2 closed

 

Floppy drive interface disabled

J1

Pins 2 & 3 closed

»

IDE interface enabled

J2

Pins 1 & 2 closed

 

IDE interface disabled

J2

Pins 2 & 3 closed

»

Parallel port address select 378-37F

J5

Pins 1 & 2 closed

 

Parallel port address select 278-27F

J5

Pins 2 & 3 closed

»

Serial port 1 enabled

J6

Pins 1 & 2 closed

 

Serial port 1 disabled

J6

Pins 2 & 3 closed

»

Serial port 1 COM select COM1

J7

Pins 1 & 2 closed

 

Serial port 1 COM select COM3

J7

Pins 2 & 3 closed

»

Serial port 2 enabled

J8

Pins 1 & 2 closed

 

Serial port 2 disabled

J8

Pins 2 & 3 closed

»

Serial port 2 COM select COM2

J9

Pins 1 & 2 closed

 

Serial port 2 COM select COM4

J9

Pins 2 & 3 closed

»

Parallel port IRQ select IRQ7

J10

Pins 13 & 14 closed

 

Parallel port IRQ select IRQ5

J10

Pins 15 & 16 closed

»

NPU aynchronous with CPU

J11

Pins 1 & 2 closed

 

NPU synchronous with CPU

J11

Pins 2 & 3 closed

»

Parity check enabled

J22

Pins 2 & 3 closed

 

Parity check disabled

J22

Pins 1 & 2 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 SPEED SELECTION

Speed

J20

J21

20MHz

Pins 2 & 3 closed

Pins 1 & 2 closed

25MHz

Pins 1 & 2 closed

Pins 2 & 3 closed

33MHz

Pins 2 & 3 closed

Pins 2 & 3 closed

40MHz

Pins 1 & 2 closed

Pins 1 & 2 closed

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

J10

 

IRQ3

Pins 3 & 4 closed

»

IRQ4

Pins 1 & 2 closed

 

IRQ5

Pins 5 & 6 closed

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

J10

»

IRQ3

Pins 7 & 8 closed

 

IRQ4

Pins 9 & 10 closed

 

IRQ5

Pins 11 & 12 closed

PARALLEL PORT MODE SELECTION

Setting

J3

J4

 

Disabled

Pins 2 & 3 closed

Pins 2 & 3 closed

»

SPP

Pins 2 & 3 closed

Pins 1 & 2 closed

 

EPP

Pins 1 & 2 closed

Pins 2 & 3 closed

 

ECP

Pins 1 & 2 closed

Pins 1 & 2 closed

BANK 2 RAM/ROM/FLASH DISK SELECTION

Type

J13

J14

J15

J16

J17

 

Flash 29F010

1 & 2

Open

1 & 2

1 & 2

Open

 

Flash 29F040

1 & 2

Open

1 & 2

1 & 2

1 & 2

»

SRAM 58C1000

2 & 3

Open

2 & 3

2 & 3

2 & 3

 

SRAM 58C4000

2 & 3

Open

2 & 3

2 & 3

1 & 2

 

EPROM 27C512

Open

Open

1 & 2

1 & 2

2 & 3

 

EPROM 27C010

1 & 2

Open

1 & 2

1 & 2

Open

 

EPROM 27C020

1 & 2

Open

1 & 2

1 & 2

1 & 2

 

EPROM 27C040

Open

1 & 2

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

WATCHDOG TIMER SELECTION

Setting

J12

»

Active NMI to CPU IRQ system when WDT time out

Pins 1 & 2 closed

 

Reset system when WDT time out

Pins 2 & 3 closed

 

Disabled

Open