Chapter 2: Installation
Serial Ports
The COM1 serial port is located under the parallel port (see Figure
pin definitions. See the motherboard layout diagrams for the location of the COM2 connec- tor, which is a header.
Serial Port Pin Definitions
(COM1, COM2)
Pin Number | Definition | Pin Number | Definition |
1 | CD | 6 | DSR |
2 | RD | 7 | RTS |
3 | TD | 8 | CTS |
4 | DTR | 9 | RI |
5 | Ground | 10 | NC |
PS/2 Keyboard and Mouse Ports
The ATX PS/2 keyboard and the PS/2 mouse are located on J11. See the table on the right for pin definitions. (The mouse port is above the keyboard port. See Fig- ure
PS/2 Keyboard
and Mouse Port
Pin Definitions
(J11)
Pin
Number Definition
1Data
2NC
3Ground
4VCC
5Clock
6NC
Fan Headers*
The motherboard has fan headers for CPU, chassis and overheat fans. See the table on the right for pin definitions.
GLAN1/GLAN2 Ethernet Ports
Two gigabit Ethernet ports are lo- cated beside the VGA port on the IO backplane. These ports accept RJ45 type cables. See the next section for a description of the LEDs on the LAN ports.
Fan Header Pin Definitions
(CPU/CHS/OH Fans)
Pin |
|
Number | Definition |
1Ground (black)
2+12V (red)
3Tachometer
Caution: These fan headers are DC power.
