HwMuseum | Index

DATAEXPERT CORPORATION

EXP8561

Device Type

Mainboard

Processor

CX 6X86/AM K5/Pentium/Pentium MMX

Processor Speed

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

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

128MB

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

260mm x 220mm

I/O Options

32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot, USB connectors (2)

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse interface

CN1

USB connector 2

J14

Serial port 2

CN2

Reset switch

J15

Serial port 1

CN3

Power LED & keylock

J18

Floppy drive interface

CN4

Speaker

J19

IDE interface 2

CN5

IDE interface LED

J20

IDE interface 1

CN6

Green PC connector

JP6

Parallel port

J4

32-bit PCI slots

PC1 – PC4

USB connector 1

J13

Cache slot

SL1

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

AT bus CLK select PCICLK/4

JP7

Closed

 

AT bus CLK select PCICLK/3

JP7

Open

»

CMOS memory normal operation

JP8

Open

 

CMOS memory clear

JP8

Closed

»

Factory configured - do not alter

JP12

Unidentified

»

Factory configured - do not alter

JP13

Unidentified

»

Flash BIOS voltage select 5v

JP14

Pins 1 & 2 closed

 

Flash BIOS voltage select 12v

JP14

Pins 2 & 3 closed

SIMM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M 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

CACHE CONFIGURATION

Size

Bank 0

SL1

TAG

256KB

(2) 32K x 32

Not installed

(1) 8K/16K/32K x 8

512KB

(2) 32K x 32

256KB module installed

(1) 16K/32K x 8

CACHE JUMPER CONFIGURATION

Size

J16

JP15

JP19

JP21

256KB

Open

Open

Closed

Open

512KB

Closed

Pins 2 & 3 closed

Open

Closed

CPU SPEED SELECTION (CX 6X86)

CPU speed

Clock speed

Multiplier

JP9

JP10

JP22

JP23

120MHz

50MHz

2x

Closed

Closed

Closed

Open

133MHz

55MHz

2x

Open

Open

Closed

Open

150MHz

60MHz

2x

Closed

Open

Closed

Open

166MHz

66MHz

2x

Open

Closed

Closed

Open

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

JP9

JP10

JP22

JP23

75MHz

50MHz

1.5x

Closed

Closed

Open

Open

90MHz

60MHz

1.5x

Closed

Open

Open

Open

100MHz

66MHz

1.5x

Open

Closed

Open

Open

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP9

JP10

JP22

JP23

75MHz

50MHz

1.5x

Closed

Closed

Open

Open

90MHz

60MHz

1.5x

Closed

Open

Open

Open

100MHz

66MHz

1.5x

Open

Closed

Open

Open

120MHz

60MHz

2x

Closed

Open

Closed

Open

133MHz

66MHz

2x

Open

Closed

Closed

Open

150MHz

60MHz

2.5x

Closed

Open

Closed

Closed

166MHz

66MHz

2.5x

Open

Closed

Closed

Closed

200MHz

66MHz

3x

Open

Closed

Open

Closed

CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

JP9

JP10

JP22

JP23

166MHz

66MHz

2.5x

Open

Closed

Closed

Closed

200MHz

66MHz

3x

Open

Closed

Open

Closed

CPU VOLTAGE SELECTION (SINGLE)

Voltage

JP18

Single

Open

CPU VOLTAGE SELECTION (DUAL)

Voltage

V core

JP18

JPA1

JPA2

3.3v

2.9v

Pins 2 & 3 closed

Open

Closed

3.3v

3.3v

Pins 2 & 3 closed

Pins 2 & 3 closed

Open

3.3v

3.45 – 3.6v

Pins 2 & 3 closed

Pins 1 & 2 closed

Open

3.45v

2.9v

Pins 1 & 2 closed

Open

Closed

3.45v

3.3v

Pins 1 & 2 closed

Pins 2 & 3 closed

Open

3.45v

3.45 – 3.6v

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

DMA CHANNEL SELECTION

Channel

JP4

JP5

1

Pins 1 & 2 closed

Pins 1 & 2 closed

3

Pins 2 & 3 closed

Pins 2 & 3 closed