HwMuseum | Index

DATAEXPERT CORPORATION

EXP8661

Processor

CX M1/AM K5/Pentium

Processor Speed

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

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

128MB

Maximum Video Memory

None

Cache

256/512KB

BIOS

AMI/Award

Dimensions

280mm x 220mm

I/O Options

32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot, USB connectors (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

USB connector

J2

Power LED & keylock

J24

USB connector

J3

Speaker

J25

Serial port 1

J10

IDE interface LED

J26

Serial port 2

J12

Green PC connector

JP9

Parallel port

J13

Reset switch

JP23

IDE interface 2

J19

PS/2 mouse interface

MS1

IDE interface 1

J20

32-bit PCI slots

PC1 – PC3

Floppy drive interface

J21

Cache slot

SL1

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Flash BIOS voltage select 5v

JP10

Pins 2 & 3 closed

 

Flash BIOS voltage select 12v

JP10

Pins 1 & 2 closed

»

CMOS memory normal operation

JP12

Open

 

CMOS memory clear

JP12

Closed

»

Factory configured - do not alter

JP14

Unidentified

»

Factory configured - do not alter

JP16

Unidentified

DRAM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(2) 256K x 36

None

4MB

(2) 512K x 36

None

6MB

(2) 512K x 36

(2) 256K x 36

8MB

(2) 1M x 36

None

8MB

(2) 512K x 36

(2) 512K x 36

10MB

(2) 1M x 36

(2) 256K x 36

12MB

(2) 1M x 36

(2) 512K x 36

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

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) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

34MB

(2) 256K x 36

(2) 4M 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) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

66MB

(2) 8M x 36

(2) 256K x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

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

DIMM CONFIGURATION

Size

Bank 2

8MB

(1) 1M x 64

16MB

(1) 2M x 64

32MB

(1) 4M x 64

64MB

(1) 8M x 64

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

JP13

JP15

JP21

None

Open

Open

Pins 1 & 2 closed

256KB

Open

Open

Pins 2 & 3 closed

512KB

Closed

Pins 1 & 2 closed

Pins 2 & 3 closed

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

Multiplier

JP5

JP6

JP7

JP8

JP18

JP19

120MHz

50MHz

2x

Closed

Closed

Open

Open

Open

Closed

133MHz

55MHz

2x

Closed

Open

Open

N/A

Open

Closed

150MHz

60MHz

2x

Open

Closed

Open

Closed

Open

Closed

166MHz

66MHz

2x

Open

Open

Open

Closed

Open

Closed

CPU SPEED SELECTION (AMD)

CPU speed

Clock speed

Multiplier

JP5

JP6

JP7

JP8

JP18

JP19

75MHz

50MHz

1.5x

Closed

Closed

Open

Open

Open

Open

90MHz

60MHz

1.5x

Open

Closed

Open

Closed

Open

Open

100MHz

66MHz

1.5x

Open

Open

Open

Closed

Open

Open

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP5

JP6

JP7

JP8

JP18

JP19

75MHz

50MHz

1.5x

Closed

Closed

Open

Open

Open

Open

90MHz

60MHz

1.5x

Open

Closed

Open

Closed

Open

Open

100MHz

66MHz

1.5x

Open

Open

Open

Closed

Open

Open

120MHz

60MHz

2x

Open

Closed

Open

Closed

Open

Closed

133MHz

66MHz

2x

Open

Open

Open

Closed

Open

Closed

150MHz

60MHz

2.5x

Open

Closed

Open

Closed

Closed

Closed

166MHz

66MHz

2.5x

Open

Open

Open

Closed

Closed

Closed

200MHz

66MHz

3x

Open

Open

Open

Closed

Closed

Open

CPU VOLTAGE SELECTION (SINGLE)

Voltage

JP22

»

Normal CPU

Open

 

3.3v

Pins 1 & 2 closed

 

3.45v

Pins 2 & 3 closed

CPU VOLTAGE SELECTION (DUAL)

Voltage

V core

JPA1

JPA2

JP22

3.3v

2.9v

Closed

Open

Pins 1 & 2 closed

3.3v

3.3v

Open

Pins 2 & 3 closed

Pins 1 & 2 closed

3.3v

3.45v – 3.6v

Open

Pins 1 & 2 closed

Pins 1 & 2 closed

3.45v

2.9v

Closed

Open

Pins 2 & 3 closed

3.45v

3.3v

Open

Pins 2 & 3 closed

Pins 2 & 3 closed

3.45v

3.45v – 3.6v

Open

Pins 1 & 2 closed

Pins 2 & 3 closed

DMA CHANNEL SELECTION

Channel

JP2

JP3

1

Pins 1 & 2 closed

Pins 1 & 2 closed

3

Pins 2 & 3 closed

Pins 2 & 3 closed

PARALLEL PORT MODE SELECTION

Setting

JP4

»

Standard

Closed

 

EPP

Open