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GCT-MGX

DATAEXPERT CORPORATION

GCT-MGX

Device Type

Mainboard

Processor

CX GX

Processor Speed

120/133/150/166/180/200MHz

Chip Set

CX 5510

Video Chip Set

Cyrix integrated

Audio Chip Set

Cyrix integrated

Maximum Onboard Memory

128MB

Cache

None

BIOS

Unidentified

Dimensions

254mm x 218mm

I/O Options

32-bit PCI slots (3), floppy drive interface, game interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, ATX power connector, audio in CD-ROMs (2)

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

IR connector

IR1

Serial port 2

CN1

Speaker

JP7/pins 1/3/5/7

Serial port 1

CN2

Power LED & keylock

JP7/pins 2/4/6/8/10

IDE interface 1

CN3

Reset switch

JP7/pins 13 & 14

IDE interface 2

CN4

IDE interface LED

JP7/pins 15 & 16

Floppy drive interface

CN5

Green PC connector

JP7/pins 17 & 18

Parallel port

CN6

Green PC LED

JP7/pins 19 & 20

CPU fan power

FAN

MIDI board connector

JP9

Game interface

J5

Soft off power supply

JP11

Audio in CD-ROM

J6

PS/2 mouse interface

JP14

Audio in CD-ROM

J7

32-bit PCI slots

PC1 PC3

USER CONFIGURABLE SETTINGS

Function

Label

Position

CMOS memory normal operation

JP13

Pins 1 & 2 closed

 

CMOS memory clear

JP13

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

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

128MB

(1) 16M x 64

DIMM VOLTAGE CONFIGURATION

Voltage

JP5A

JP5B

3.3v

Pins 2 & 3 closed

Pins 2 & 3 closed

5v

Pins 1 & 2 closed

Pins 1 & 2 closed

CPU SPEED SELECTION

Speed

JP8A

JP8B

30MHz

Pins 2 & 3 closed

Pins 1 & 2 closed

33MHz

Pins 1 & 2 closed

Pins 2 & 3 closed

CPU MULTIPLIER SELECTION

Multiplier

JP1A

JP1B

4x

Pins 1 & 2 closed

Pins 1 & 2 closed

5x

Pins 2 & 3 closed

Pins 1 & 2 closed

6x

Pins 1 & 2 closed

Pins 2 & 3 closed

CPU VOLTAGE SELECTION (SINGLE)

Voltage

JP2

2.9v

Pins 3 & 4 closed

3.6v

Pins 1 & 2 closed

CPU VOLTAGE SELECTION (DUAL)

Voltage

V core

JP3

JP4

3.3v

2.9v

Pins 1 & 2 closed

Pins 1 & 2 closed

3.3v

3.6v

Pins 1 & 2 closed

Pins 1 & 2 closed

2.9v

2.9v

Pins 2 & 3 closed

Pins 2 & 3 closed

3.6v

3.6v

Pins 2 & 3 closed

Pins 2 & 3 closed