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MLX8440-OS

DATAEXPERT CORPORATION

MLX8440-OS

Device Type

Mainboard

Processor

Pentium II/Celeron

Processor Speed

233/266/300/333MHz

Chip Set

Intel 440LX

Maximum Onboard Memory

384MB (EDO & SDRAM supported)

Audio Chip Set

Yamaha

Cache

0/128/256/512KB (located on the CPU)

BIOS

Award

Dimensions

305mm x 180mm

I/O Options

32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector, AGP slot, line in, line out, microphone in, audio in - CD-ROMs (2)

CONNECTIONS

Purpose

Location

Purpose

Location

AGP slot

AGP

Power LED & keylock

J1/pins 1 - 5

ATX power connector

ATX

IDE interface LED

J1/pins 6 & 16

Game/MIDI port

CN1

Green PC LED

J1/pins 7 & 17

Microphone in

CN2

Green PC connector

J1/pins 8 & 18

Line in

CN3

Soft off power supply

J1/pins 9 & 19

Line out

CN4

Reset switch

J1/pins 10 & 20

Serial port 2

CN5

Speaker

J1/pins 11 - 14

Serial port 1

CN6

Audio in - CD-ROM (Panasonic)

J2

Parallel port

CN7

Audio in - CD-ROM (Sony)

J3

USB connector 1

CN8

IR connector

J4

USB connector 2

CN9

Chassis fan power

J5

PS/2 mouse port

CN10

CPU fan power

JX1

IDE interface 2

CN11

Thermistor connector

RT1

IDE interface 1

CN12

32-bit PCI slots

PC1 - PC4

Floppy drive interface

CN13

 

 

DIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

8MB

(1) 1M x 64

None

None

16MB

(1) 2M x 64

None

None

16MB

(1) 1M x 64

(1) 1M x 64

None

24MB

(1) 2M x 64

(1) 1M x 64

None

24MB

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

32MB

(1) 4M x 64

None

None

32MB

(1) 2M x 64

(1) 1M x 64

(1) 1M x 64

32MB

(1) 2M x 64

(1) 2M x 64

None

40MB

(1) 4M x 64

(1) 1M x 64

None

40MB

(1) 2M x 64

(1) 2M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 1M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 2M x 64

None

48MB

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

56MB

(1) 4M x 64

(1) 2M x 64

(1) 1M x 64

64MB

(1) 8M x 64

None

None

64MB

(1) 4M x 64

(1) 2M x 64

(1) 2M x 64

64MB

(1) 4M x 64

(1) 4M x 64

None

72MB

(1) 8M x 64

(1) 1M x 64

None

72MB

(1) 4M x 64

(1) 4M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 1M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 2M x 64

None

80MB

(1) 4M x 64

(1) 4M x 64

(1) 2M x 64

DIMM CONFIGURATION (CON'T)

Size

Bank 0

Bank 1

Bank 2

88MB

(1) 8M x 64

(1) 2M x 64

(1) 1M x 64

96MB

(1) 8M x 64

(1) 2M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

None

96MB

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

104MB

(1) 8M x 64

(1) 4M x 64

(1) 1M x 64

112MB

(1) 8M x 64

(1) 4M x 64

(1) 2M x 64

128MB

(1) 16M x 64

None

None

128MB

(1) 8M x 64

(1) 4M x 64

(1) 4M x 64

128MB

(1) 8M x 64

(1) 8M x 64

None

136MB

(1) 16M x 64

(1) 1M x 64

None

136MB

(1) 8M x 64

(1) 8M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 1M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 2M x 64

None

144MB

(1) 8M x 64

(1) 8M x 64

(1) 2M x 64

152MB

(1) 16M x 64

(1) 2M x 64

(1) 1M x 64

160MB

(1) 16M x 64

(1) 2M x 64

(1) 2M x 64

160MB

(1) 16M x 64

(1) 4M x 64

None

160MB

(1) 8M x 64

(1) 8M x 64

(1) 4M x 64

168MB

(1) 16M x 64

(1) 4M x 64

(1) 1M x 64

192MB

(1) 16M x 64

(1) 4M x 64

(1) 4M x 64

192MB

(1) 16M x 64

(1) 8M x 64

None

192MB

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

200MB

(1) 16M x 64

(1) 8M x 64

(1) 1M x 64

208MB

(1) 16M x 64

(1) 8M x 64

(1) 2M x 64

224MB

(1) 16M x 64

(1) 8M x 64

(1) 4M x 64

256MB

(1) 16M x 64

(1) 8M x 64

(1) 8M x 64

384MB

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

Note: Board accepts EDO & SDRAM memory.

CACHE CONFIGURATION

Note: 256KB/512KB cache is located on the Pentium II CPU. 128KB cache is located on the Celeron 300A & 333 CPU.

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

JPXA

JPXB

JPXC

233MHz

66MHz

3.5x

2 & 3

2 & 3

2 & 3

266MHz

66MHz

4x

2 & 3

2 & 3

2 & 3

300MHz

66MHz

4.5x

2 & 3

2 & 3

2 & 3

333MHz

66MHz

5x

2 & 3

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CON'T)

CPU speed

Clock speed

Multiplier

JP1A

JP1B

JP1C

JP1D

233MHz

66MHz

3.5x

Open

Open

Closed

Closed

266MHz

66MHz

4x

Closed

Closed

Open

Closed

300MHz

66MHz

4.5x

Open

Closed

Open

Closed

333MHz

66MHz

5x

Closed

Open

Open

Closed