AXIOM TECHNOLOGY, INC.

SBC8259

Processor

CX M1/AM K5/Pentium

Processor Speed

75/90/100/120/133/150/166/200/MHz

Chip Set

Unidentified

Video Chip Set

Unidentified

Maximum Onboard Memory

256MB (EDO supported)

Maximum Video Memory

1MB

Cache

256/512KB

BIOS

Award

Dimensions

338mm x 122mm

I/O Options

Floppy drive interface, green PC connector, IDE interfaces (2), Ultra Wide SCSI interface, SCSI II interface, parallel port, PS/2 mouse port/keyboard, serial ports (2), VGA port, PC104 connectors (2), flat panel connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Flat panel connector

CN11

VGA port

CN2

Auxiliary keyboard connector

EXKB

PS/2 mouse port/keyboard

CN3

Green PC connector

GRN

Parallel port

CN4

IDE interface LED

HDL

Serial port 2

CN5

SCSI LED

JP4

Floppy drive interface

CN6

Power LED & keylock

KBL

IDE interface 1

CN7

Reset switch

RST

IDE interface 2

CN8

Speaker

SPK

SCSI II interface

CN9

PC104 connector

104AB

Ultra Wide SCSI interface

CN10

PC104 connector

104CD

DRAM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(2) 256K x 36

None

4MB

(2) 256K x 36

(2) 256K x 36

4MB

(2) 512K x 36

None

6MB

(2) 512K x 36

(2) 256K x 36

8MB

(2) 512K x 36

(2) 512K x 36

8MB

(2) 1M x 36

None

10MB

(2) 1M x 36

(2) 256K x 36

12MB

(2) 1M x 36

(2) 512K x 36

16MB

(2) 1M x 36

(2) 1M x 36

16MB

(2) 2M x 36

None

18MB

(2) 2M x 36

(2) 256K x 36

20MB

(2) 2M x 36

(2) 512K x 36

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 2M x 36

(2) 2M x 36

32MB

(2) 4M x 36

None

34MB

(2) 4M x 36

(2) 256K x 36

36MB

(2) 4M x 36

(2) 512K x 36

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 4M x 36

(2) 4M x 36

64MB

(2) 8M x 36

None

66MB

(2) 8M x 36

(2) 256K x 36

68MB

(2) 8M x 36

(2) 512K x 36

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 8M x 36

(2) 2M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

128MB

(2) 16M x 36

None

130MB

(2) 16M x 36

(2) 256K x 36

132MB

(2) 16M x 36

(2) 512K x 36

136MB

(2) 16M x 36

(2) 1M x 36

144MB

(2) 16M x 36

(2) 2M x 36

160MB

(2) 16M x 36

(2) 4M x 36

192MB

(2) 16M x 36

(2) 8M x 36

256MB

(2) 16M x 36

(2) 16M x 36

Note: Board accepts EDO memory.

CACHE CONFIGURATION

Size

Bank 0

256KB

(2) 32K x 32

512KB

(2) 64K x 32

VIDEO MEMORY CONFIGURATION

Note: 1MB video memory is factory installed and not configurable.

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

Multiplier

JP2

JP8

120MHz

50MHz

1.5x

Open

3 & 4, 5 & 6

150MHz

60MHz

1.5x

Open

1 & 3, 4 & 6

166MHz

66MHz

1.5x

Open

2 & 4, 3 & 5

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP2

JP8

75MHz

50MHz

1.5x

Open

3 & 4, 5 & 6

90MHz

60MHz

1.5x

Open

1 & 3, 4 & 6

100MHz

66MHz

1.5x

Open

2 & 4, 3 & 5

120MHz

60MHz

2x

2 & 4

1 & 3, 4 & 6

133MHz

66MHz

2x

2 & 4

2 & 4, 3 & 5

150MHz

50MHz

2.5x

1 & 3

3 & 4, 5 & 6

166MHz

66MHz

2.5x

1 & 3, 2 & 4

2 & 4, 3 & 5

200MHz

66MHz

3x

1 & 3

2 & 4, 3 & 5

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION

Voltage

JA1

2.5v

Pins 5 & 6 closed

2.75v

Pins 7 & 8 closed

3.3v

Pins 1 & 2 closed

3.52v

Pins 3 & 4 closed

SERIAL PORT 2 SELECTION

Setting

JA2

»

RS-232

1 & 2

 

RS-422

1 & 3, 5 & 6, 7 & 8, 9 & 10, 11 & 12, 17 & 18, 19 & 20, 21 & 22, 23 & 24

 

RS-485

1 & 3, 4 & 6, 7 & 8, 9 & 10, 11 & 12, 13 & 14, 15 & 16, 17 & 18, 19 & 20, 21 & 22, 23 & 24

Note: Pins designated should be in the closed position.

KYEBOARD/MOUSE SELECTION

Setting

JP14

CN3 used as keyboard

Pins 3 & 5, 4 & 6 closed

CN3 used as PS/2 mouse

Pins 1 & 3, 2 & 4 closed