DTK COMPUTER, INC.

PRM-0080I (VER. 1.00)

Device Type

Mainboard

Processor

Pentium II

Processor Speed

233/266/275/333/400/450MHz

Chip Set

Intel 440BX

Maximum Onboard Memory

512MB (EDO & SDRAM supported)

Cache

256/512KB (located on Pentium II CPU)

BIOS

Award/AMI

Dimensions

305mm x 217mm

I/O Options

32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interface, parallel port, PS/2 mouse port, serial ports (2),

CONNECTIONS

Purpose

Location

Purpose

Location

AGP slot

AGP

IR connector

JP10

ATX power

ATX

Floppy drive interface

JP12

Serial port 2

CN1

Intel PC/PCI header

JP13

Parallel port

CN2

IDE interface 1

JP14

Serial port 1

CN3

IDE interface 2

JP15

USB connector 1

CN4

Wake on LAN connector

JP16

USB connector 2

CN5

IDE interface LED

JP17

PS/2 mouse port

CN6

Speaker

JP18

Chassis fan power

FAN1

Power switch

JP19

Chassis fan power

FAN3

Reset switch

JP20

CPU fan power

FAN2

Power LED

JP21

ATX power connector

JP1

32-bit PCI slots

PC1 - PC4

USER CONFIGURABLE SETTINGS

Function

Label

Position

CMOS memory normal operation

J4

Pins 1 & 2 closed

 

CMOS memory clear

J4

Pins 2 & 3 closed

Flash BIOS voltage select 5v

J6

Pins 1 & 2 closed

 

Flash BIOS voltage select 12v

J6

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

8

1MB x 64

None

None

None

16

1MB x 64

1MB x 64

None

None

16

2MB x 64

None

None

None

24

1MB x 64

1MB x 64

1MB x 64

None

32

2MB x 64

2MB x 64

None

None

32

4MB x 64

None

None

None

32

1MB x 64

1MB x 64

1MB x 64

1MB x 64

64

2MB x 64

2MB x 64

2MB x 64

2MB x 64

64

4MB x 64

4MB x 64

None

None

64

8MB x 64

None

None

None

80

4MB x 64

2MB x 64

2MB x 64

2MB x 64

96

4MB x 64

4MB x 64

4MB x 64

None

96

4MB x 64

4MB x 64

2MB x 64

2MB x 64

112

4MB x 64

4MB x 64

4MB x 64

2MB x 64

112

8MB x 64

2MB x 64

2MB x 64

2MB x 64

128

4MB x 64

4MB x 64

4MB x 64

4MB x 64

128

8MB x 64

8MB x 64

None

None

128

16MB x 64

None

None

None

160

8MB x 64

8MB x 64

2MB x 64

2MB x 64

256

8MB x 64

8MB x 64

8MB x 64

8MB x 64

176

16MB x 64

2MB x 64

2MB x 64

2MB x 64

192

8MB x 64

8MB x 64

8MB x 64

None

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

208

8MB x 64

8MB x 64

8MB x 64

2MB x 64

320

16MB x 64

8MB x 64

8MB x 64

8MB x 64

192

16MB x 64

16MB x 64

None

None

288

16MB x 64

16MB x 64

2MB x 64

2MB x 64

384

16MB x 64

16MB x 64

8MB x 64

8MB x 64

384

16MB x 64

16MB x 64

16MB x 64

None

384

16MB x 64

16MB x 64

8MB x 64

8MB x 64

400

16MB x 64

16MB x 64

16MB x 64

2MB x 64

448

16MB x 64

16MB x 64

16MB x 64

8MB x 64

512

16MB x 64

16MB x 64

16MB x 64

16MB x 64

CPU SPEED SELECTION (INTEL)

Speed

Clock speed

Multiplier

J3/pins 1 & 2

J3/pins 3 & 4

J3/pins 5 & 6

233MHz

66MHz

3.5x

Open

Open

Closed

266MHz

66MHz

4x

Closed

Closed

Open

300MHz

66MHz

4.5x

Open

Closed

Open

333MHz

66MHz

5x

Closed

Open

Open

350MHz

100MHz

3.5x

Open

Open

Closed

400MHz

100MHz

4x

Closed

Closed

Open

450MHz

100MHz

4.5x

Open

Closed

Open