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AX8175

AXIOM TECHNOLOGY, INC.

AX8175

Processor

80486SX/80487SX/CX486DX/AM486DX/80486DX/CX486DX2/ AM486DX2/80486DX2/CX486DX4/AM486DX4/80486DX4/

Processor Speed

25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz

Chip Set

UMC

Video Chip Set

None

Maximum Onboard Memory

64MB

Maximum Video Memory

None

Cache

128KB

BIOS

AMI

Dimensions

Unidentified

I/O Options

Ethernet 10BaseT connectors (2), floppy drive interface, IDE interface, parallel port, PS/2 mouse interface, serial ports (2), VGA interface, flat panel interface, PC/104 connectors (8-bit) (2), PC/104 connectors (16-bit) (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Watchdog timer trigger input

CN1

Floppy drive interface

CN13

External power connector

CN2

PC/104 connector (16-bit)

CN14

External watchdog output

CN3

PC/104 connector (8-bit)

CN15

PC/104 connector (8-bit)

CN4

Speaker

CN16

PC/104 connector (16-bit)

CN5

Turbo LED

CN18

Ethernet 10BaseT connector (RJ-45)

CN6

IDE interface LED

CN19

Ethernet 10BaseT connector (AUI)

CN7

Reset switch

CN20

External battery

CN8

Auxiliary keyboard connector

CN21

Serial port 1

CN9

PS/2 mouse interface

CN22

Serial port 2

CN10

Flat panel interface

CN23

Parallel port

CN11

VGA interface

CN24

IDE interface

CN12

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

SHFCLK select normal

J7

Pins 1 & 2 closed

 

SHFCLK select inverted

J7

Pins 2 & 3 closed

»

On board video enabled

J11

Pins 1 & 2 closed

 

On board video disabled

J11

Pins 2 & 3 closed

»

Parallel port IRQ select IRQ7

J12

Pins 1 & 2 closed

 

Parallel port IRQ select IRQ5

J12

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(1) 256K x 36

None

2MB

(1) 512K x 36

None

2MB

(1) 256K x 36

(1) 256K x 36

3MB

(1) 512K x 36

(1) 256K x 36

4MB

(1) 512K x 36

(1) 512K x 36

4MB

(1) 1M x 36

None

5MB

(1) 1M x 36

(1) 256K x 36

6MB

(1) 1M x 36

(1) 512K x 36

8MB

(1) 2M x 36

None

8MB

(1) 1M x 36

(1) 1M x 36

9MB

(1) 2M x 36

(1) 256K x 36

10MB

(1) 2M x 36

(1) 512K x 36

12MB

(1) 2M x 36

(1) 1M x 36

16MB

(1) 4M x 36

None

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

17MB

(1) 4M x 36

(1) 256K x 36

18MB

(1) 4M x 36

(1) 512K x 36

20MB

(1) 4M x 36

(1) 1M x 36

24MB

(1) 4M x 36

(1) 2M x 36

32MB

(1) 8M x 36

None

32MB

(1) 4M x 36

(1) 4M x 36

33MB

(1) 8M x 36

(1) 256K x 36

36MB

(1) 8M x 36

(1) 1M x 36

40MB

(1) 8M x 36

(1) 2M x 36

48MB

(1) 8M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Note: The location of the 128KB cache is unidentified.

CPU SPEED SELECTION

Speed

J8

J9

J10

25MHz

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

33MHz

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

40MHz

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

50iMHz

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

50MHz

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

66iMHz

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

75iMHz

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

100iMHz

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

CPU TYPE SELECTION

Type

J15

J16

80486SX

Open

Pins 2 & 3 closed

80487SX

Open

Pins 2 & 3 closed

CX486DX

Pins 1 & 2 closed

Pins 1 & 2, 3 & 4 closed

AM486DX

Pins 1 & 2 closed

Pins 1 & 2, 3 & 4 closed

80486DX

Pins 1 & 2 closed

Pins 1 & 2, 3 & 4 closed

CX486DX2

Pins 1 & 2 closed

Pins 1 & 2, 3 & 4 closed

AM486DX2

Pins 1 & 2 closed

Pins 1 & 2, 3 & 4 closed

80486DX2

Pins 1 & 2 closed

Pins 1 & 2, 3 & 4 closed

CX486DX4

Pins 1 & 2 closed

Pins 1 & 2, 3 & 4 closed

AM486DX4

Pins 1 & 2 closed

Pins 1 & 2, 3 & 4 closed

80486DX4

Pins 1 & 2 closed

Pins 1 & 2, 3 & 4 closed

CPU VOLTAGE SELECTION

Voltage

J13

J14

»

3.3v

Pins 2 & 3 closed

Pins 2 & 3 closed

 

3.45v

Pins 2 & 3 closed

Pins 1 & 2 closed

 

5v

Pins 1 & 2 closed

Open

RAM/ROM/FLASH DISK SELECTION

Type

J1

J2

J3

J4

J5

 

29F010

Open

Open

1 & 2

1 & 2

1 & 2

»

29F040

1 & 2

Open

1 & 2

1 & 2

1 & 2

 

58C1000

2 & 3

Open

2 & 3

2 & 3

2 & 3

 

58C4000

1 & 2

Open

2 & 3

2 & 3

2 & 3

 

27C512

2 & 3

Open

Open

1 & 2

1 & 2

 

27C010

Open

Open

1 & 2

1 & 2

1 & 2

 

27C020

1 & 2

Open

1 & 2

1 & 2

1 & 2

 

27C040

1 & 2

1 & 2

Open

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

WATCH DOG SELECTION

Type

J6

»

Watch Dog active NMI

Pins 1 & 2 closed

 

Watch Dog reset system

Pins 2 & 3 closed

 

Watch Dog disabled

Open