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 |